21378031185672

Names of 21378031185672

• Cardinal: 21378031185672 can be written as Twenty-one trillion, three hundred seventy-eight billion, thirty-one million, one hundred eighty-five thousand, six hundred seventy-two.

Scientific notation

• Scientific notation: 2.1378031185672 × 10¹³

Factors of 21378031185672

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 13
• Sum of prime factors: 289

Divisors of 21378031185672

• Number of divisors d(n): 972
• Complete list of divisors:
  1 2 3 4 6 7 8 9 12 14 17 18 19 21 24 28 34 36 38 42 49 51 56 57 63 68 72 76 84 98 102 114 119 126 133 136 147 152 153 168 171 196 204 228 238 241 252 266 289 294 306 323 342 357 361 392 399 408 441 456 476 482 504 532 578 588 612 646 684 714 722 723 798 833 867 882 931 952 964 969 1064 1071 1083 1156 1176 1197 1224 1292 1368 1428 1444 1446 1596 1666 1687 1734 1764 1862 1928 1938 2023 2142 2166 2169 2261 2312 2394 2499 2527 2584 2601 2793 2856 2888 2892 2907 3192 3249 3332 3374 3468 3528 3724 3876 4046 4097 4284 4332 4338 4522 4579 4788 4998 5054 5061 5202 5491 5586 5784 5814 6069 6137 6498 6664 6748 6783 6936 7448 7497 7581 7752 8092 8194 8379 8568 8664 8676 9044 9158 9576 9996 10108 10122 10404 10982 11172 11628 11809 12138 12274 12291 12996 13496 13566 13737 14161 14994 15162 15183 15827 16184 16388 16473 16758 17352 17689 18088 18207 18316 18411 19992 20216 20244 20349 20808 21964 22344 22743 23256 23618 24276 24548 24582 25992 27132 27474 28322 28679 29988 30324 30366 31654 32053 32776 32946 33516 35378 35427 36414 36632 36822 36873 38437 40488 40698 41211 42483 42959 43928 45486 47236 47481 48552 49096 49164 49419 53067 54264 54948 55233 56644 57358 58081 59976 60648 60732 63308 64106 65892 67032 69649 70756 70854 72828 73644 73746 76874 77843 81396 82422 84966 85918 86037 87001 90972 94472 94962 96159 98328 98838 104329 106134 106281 109896 110466 113288 114716 115311 116162 121464 126616 127449 128212 128877 131784 139298 141512 141708 142443 145656 147288 147492 153748 155686 159201 162792 164844 169932 171836 172074 174002 174243 181944 189924 192318 197676 200753 208658 208947 212268 212562 220932 224371 229432 230622 232324 233529 254898 256424 257754 258111 261003 269059 278596 283416 284886 288477 294984 300713 307496 311372 312987 318402 329688 339864 343672 344148 345933 348004 348486 379848 384636 386631 395352 401506 406567 417316 417894 424536 425124 441864 448742 461244 464648 467058 487543 509796 515508 516222 522006 522729 538118 544901 557192 569772 576954 601426 602259 609007 622744 625974 626841 636804 673113 688296 691866 696008 696972 700587 730303 769272 773262 783009 803012 807177 813134 834632 835788 850248 897484 902139 922488 934116 938961 975086 987377 1019592 1031016 1032444 1044012 1045458 1076236 1089802 1103539 1139544 1153908 1202852 1204518 1218014 1219701 1251948 1253682 1273608 1323331 1346226 1383732 1393944 1401174 1460606 1462629 1479017 1546524 1566018 1606024 1614354 1626268 1634703 1671576 1794968 1804278 1806777 1827021 1868232 1877922 1950172 1974754 2019339 2064888 2088024 2090916 2152472 2179604 2190909 2207078 2307816 2405704 2409036 2421531 2436028 2439402 2503896 2507364 2646662 2692452 2706417 2767464 2802348 2845969 2921212 2925258 2958034 2962131 3093048 3132036 3228708 3252536 3269406 3310617 3412801 3608556 3613554 3654042 3659103 3755844 3814307 3900344 3949508 3969993 4038678 4181832 4263049 4359208 4381818 4387887 4414156 4437051 4818072 4843062 4872056 4878804 4904109 5014728 5112121 5293324 5384904 5412834 5481063 5604696 5691938 5842424 5850516 5916068 5924262 6264072 6457416 6538812 6572727 6621234 6825602 6911639 7217112 7227108 7308084 7318206 7511688 7628614 7724773 7899016 7939986 8077356 8526098 8537907 8763636 8775774 8828312 8874102 8886393 9263317 9686124 9757608 9808218 9931851 10224242 10238403 10353119 10586648 10825668 10962126 11383876 11442921 11701032 11832136 11848524 11909979 12789147 13077624 13145454 13242468 13311153 13651204 13823278 14454216 14616168 14636412 15257228 15336363 15449546 15879972 16154712 16785409 17052196 17075814 17527272 17551548 17748204 17772786 18526634 18760163 19372248 19616436 19863702 20448484 20476806 20706238 20734917 20967241 21651336 21924252 22767752 22885842 23174319 23697048 23819958 25143289 25578294 25613721 26290908 26484936 26622306 27302408 27646556 27789951 29272824 30514456 30672726 30715209 30899092 31059357 31759944 33570818 34104392 34151628 34328763 35103096 35496408 35545572 37053268 37520326 38367441 39232872 39727404 40896968 40953612 41412476 41469834 41934482 43848504 45771684 46009089 46348638 47639916 48381473 50286578 50356227 51156588 51227442 52581816 53244612 54073411 55293112 55579902 56280489 61345452 61430418 61798184 62118714 62204751 62901723 64843219 67141636 68303256 68657526 69522957 71091144 72471833 74106536 75040652 75429867 76734882 79454808 81907224 82824952 82939668 83369853 83868964 91543368 92018178 92697276 93178071 95279832 96762946 100573156 100712454 102313176 102454884 106489224 108146822 111159804 112560978 117497863 122690904 122860836 124237428 124409502 125803446 129686438 131321141 134283272 137315052 139045914 144943666 145144419 146770687 150081304 150859734 151068681 153469764 162220233 165879336 166739706 167737928 168841467 176003023 184036356 185394552 186356142 188705169 193525892 194529657 201146312 201424908 204909768 216293644 217415499 222319608 225121956 226289601 234995726 245721672 248474856 248819004 251606892 259372876 262642282 274630104 278091828 289887332 290288838 293541374 301719468 302137362 306939528 318922771 324440466 333479412 337682934 352006046 352493589 356443097 368072712 372712284 377410338 387051784 389059314 393963423 402849816 432587288 434830998 435433257 440312061 450243912 452579202 469991452 486660699 497638008 503213784 518745752 525284564 528009069 556183656 579774664 580577676 583588971 587082748 603438936 604274724 637845542 648880932 652246497 666958824 675365868 704012092 704987178 712886194 745424568 754820676 778118628 787926846 822485041 869661996 870866514 880624122 905158404 919247987 939982904 956768313 973321398 1027394809 1050569128 1056018138 1057480767 1069329291 1161155352 1167177942 1174165496 1181890269 1208549448 1232021161 1275691084 1297761864 1304492994 1320936183 1350731736 1408024184 1409974356 1425772388 1509641352 1556237256 1575853692 1584027207 1644970082 1739323992 1741733028 1761248244 1810316808 1838495974 1913536626 1946642796 2054789618 2112036276 2114961534 2138658582 2232459397 2334355884 2363780538 2464042322 2467455123 2495101679 2551382168 2608985988 2641872366 2757743961 2819948712 2851544776 2870304939 3082184427 3151707384 3168054414 3207987873 3289940164 3483466056 3522496488 3676991948 3696063483 3827073252 3893285592 4109579236 4224072552 4229923068 4277317164 4464918794 4668711768 4727561076 4928084644 4934910246 4990203358 5217971976 5283744732 5515487922 5740609878 6059532649 6164368854 6336108828 6415975746 6579880328 6697378191 7353983896 7392126966 7402365369 7485305037 7654146504 8219158472 8273231883 8459846136 8554634328 8929837588 9246553281 9455122152 9856169288 9869820492 9980406716 10567489464 11030975844 11088190449 11481219756 12119065298 12328737708 12672217656 12831951492 13394756382 14784253932 14804730738 14970610074 15627215779 16546463766 17465711753 17859675176 18178597947 18493106562 19739640984 19960813432 20092134573 22061951688 22176380898 22455915111 22962439512 24238130596 24657475416 25663902984 26789512764 29568507864 29609461476 29941220148 31254431558 33092927532 34931423506 36357195894 36986213124 40184269146 42416728543 44352761796 44911830222 46881647337 48476261192 52397135259 53579025528 54535793841 59218922952 59882440296 62508863116 66185855064 69862847012 72714391788 73972426248 80368538292 84833457086 88705523592 89823660444 93763294674 104794270518 109071587682 125017726232 127250185629 139725694024 140644942011 145428783576 157191405777 160737076584 169666914172 179647320888 187526589348 209588541036 218143175364 254500371258 281289884022 296917099801 314382811554 339333828344 375053178696 381750556887 419177082072 436286350728 509000742516 562579768044 593834199602 628765623108 763501113774 890751299403 1018001485032 1125159536088 1187668399204 1257531246216 1527002227548 1781502598806 2375336798408 2672253898209 3054004455096 3563005197612 5344507796418 7126010395224 10689015592836 21378031185672
• Sum of all divisors σ(n): 75825044380215
• Sum of proper divisors (its aliquot sum) s(n): 54447013194543
• 21378031185672 is an abundant number, because the sum of its proper divisors (54447013194543) is greater than itself. Its abundance is 33068982008871

Bases of 21378031185672

• Binary: 100110111000101110101111101000110111100001000₂
• Hexadecimal: 0x137175F46F08
• Base-36: 7KSXJSXE0

Squares and roots of 21378031185672

• 21378031185672 squared (21378031185672²) is 457020217375564578138091584
• 21378031185672 cubed (21378031185672³) is 9770192459537415994493870515646844584448
• The square root of 21378031185672 is 4623638.3061039711
• The cube root of 21378031185672 is 27753.8073116819

Scales and comparisons

• 21,378,031,185,672 seconds is equal to 679,755 years, 13 weeks, 5 days, 12 hours, 1 minute, 12 seconds.
• To count from 1 to 21,378,031,185,672 would take you about one million, six hundred ninety-nine thousand, three hundred eighty-eight years!

  This is a very rough estimate, based on a speaking rate of half a second every third order of magnitude. If you speak quickly, you could probably say any randomly-chosen number between one and a thousand in around half a second. Very big numbers obviously take longer to say, so we add half a second for every extra x1000. (We do not count involuntary pauses, bathroom breaks or the necessity of sleep in our calculation!)

• A cube with a volume of 21378031185672 cubic inches would be around 2312.8 feet tall.

Recreational maths with 21378031185672

• 21378031185672 backwards is 27658113087312
• The number of decimal digits it has is: 14
• The sum of 21378031185672's digits is 54
• More coming soon!