21271620438432

Names of 21271620438432

• Cardinal: 21271620438432 can be written as Twenty-one trillion, two hundred seventy-one billion, six hundred twenty million, four hundred thirty-eight thousand, four hundred thirty-two.

Scientific notation

• Scientific notation: 2.1271620438432 × 10¹³

Factors of 21271620438432

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 13
• Sum of prime factors: 201572

Divisors of 21271620438432

• Number of divisors d(n): 768
• Complete list of divisors:
  1 2 3 4 6 7 8 9 12 13 14 16 17 18 21 24 26 27 28 32 34 36 39 42 48 51 52 54 56 63 68 72 78 79 84 91 96 102 104 108 112 117 119 126 136 144 153 156 158 168 182 189 204 208 216 221 224 234 237 238 252 272 273 288 306 312 316 336 351 357 364 378 408 416 432 442 459 468 474 476 504 544 546 553 612 624 632 663 672 702 711 714 728 756 816 819 864 884 918 936 948 952 1008 1027 1071 1092 1106 1224 1248 1264 1326 1343 1404 1422 1428 1456 1512 1547 1632 1638 1659 1768 1836 1872 1896 1904 1989 2016 2054 2133 2142 2184 2212 2448 2457 2528 2652 2686 2808 2844 2856 2912 3024 3081 3094 3213 3276 3318 3536 3672 3744 3792 3808 3978 4029 4108 4266 4284 4368 4424 4641 4896 4914 4977 5304 5372 5616 5688 5712 5967 6048 6162 6188 6426 6552 6636 7072 7189 7344 7584 7956 8058 8216 8532 8568 8736 8848 9243 9282 9401 9828 9954 10608 10744 11232 11376 11424 11934 12087 12324 12376 12852 13104 13272 13923 14378 14688 14931 15912 16116 16432 17064 17136 17459 17696 18486 18564 18802 19656 19908 21216 21488 21567 22752 23868 24174 24648 24752 25704 26208 26544 27729 27846 28203 28756 29862 31824 32232 32864 34128 34272 34918 36261 36972 37128 37604 39312 39816 41769 42976 43134 47736 48348 49296 49504 51408 52377 53088 55458 55692 56406 57512 59724 63648 64464 64701 68256 69836 72522 73944 74256 75208 78624 79632 83538 84609 86268 95472 96696 98592 102816 104754 110916 111384 112812 115024 119448 122213 128928 129402 139672 145044 147888 148512 150416 157131 159264 167076 169218 172536 190944 193392 194103 201451 209508 221832 222768 225624 230048 238896 244426 253827 258804 279344 290088 295776 300832 314262 334152 338436 345072 366639 386784 388206 402902 419016 443664 445536 451248 471393 477792 488852 507654 517608 558688 580176 604353 628524 668304 676872 690144 733278 776412 805804 838032 887328 902496 942786 977704 1015308 1035216 1099917 1160352 1208706 1257048 1336608 1353744 1410157 1466556 1552824 1611608 1676064 1813059 1885572 1955408 2030616 2070432 2199834 2417412 2514096 2618863 2707488 2820314 2933112 3105648 3223216 3299751 3424667 3626118 3771144 3910816 4061232 4230471 4399668 4834824 5028192 5237726 5439177 5640628 5866224 6211296 6446432 6599502 6849334 7252236 7542288 7856589 8122464 8460942 8799336 9669648 10274001 10475452 10878354 11281256 11732448 12691413 13199004 13698668 14504472 15084576 15713178 15914629 16921884 17598672 18332041 19339296 20548002 20950904 21756708 22562512 23569767 23972669 25382826 26398008 27397336 29008944 30822003 31426356 31829258 33843768 35197344 36664082 38074239 41096004 41901808 43513416 44520671 45125024 47139534 47743887 47945338 50765652 52796016 54794672 54996123 58017888 61644006 62852712 63658516 67687536 70709301 71918007 73328164 76148478 82192008 83803616 87026832 89041342 92466009 94279068 95487774 95890676 101531304 105592032 109589344 109992246 111402403 123288012 125705424 127317032 133562013 135375072 141418602 143231661 143836014 146656328 152296956 164384016 164988369 174053664 178082684 184932018 188558136 190975548 191781352 203062608 206890177 215754021 219984492 222804806 246576024 251410848 254634064 267124026 270548693 282837204 286463322 287672028 293312656 304593912 311644697 328768032 329976738 334207209 356165368 369864036 377116272 381951096 383562704 400686039 406125216 413780354 429694983 431508042 439968984 445609612 493152048 494965107 509268128 534248052 541097386 565674408 572926644 575344056 586625312 609187824 620670531 623289394 647262063 659953476 668414418 712330736 739728072 754232544 763902192 767125408 801372078 811646079 827560708 859389966 863016084 879937968 891219224 934934091 986304096 989930214 1002621627 1068496104 1082194772 1131348816 1145853288 1150688112 1202058117 1218375648 1241341062 1246578788 1294524126 1319906952 1336828836 1424661472 1448231239 1479456144 1527804384 1602744156 1623292158 1655121416 1718779932 1726032168 1759875936 1782438448 1862011593 1869868182 1893840851 1979860428 2005243254 2136992208 2164389544 2262697632 2291706576 2301376224 2404116234 2434938237 2482682124 2493157576 2589048252 2639813904 2673657672 2804802273 2896462478 2958912288 3007864881 3205488312 3246584316 3310242832 3437559864 3452064336 3517133009 3564876896 3724023186 3739736364 3787681702 3959720856 4010486508 4273984416 4328779088 4344693717 4583413152 4808232468 4869876474 4965364248 4986315152 5178096504 5279627808 5347315344 5586034779 5609604546 5681522553 5792924956 6015729762 6410976624 6493168632 6620485664 6875119728 6904128672 7034266018 7304814711 7448046372 7479472728 7575363404 7919441712 8020973016 8414406819 8657558176 8689387434 9616464936 9739752948 9930728496 9972630304 10356193008 10551399027 10694630688 11172069558 11219209092 11363045106 11585849912 12031459524 12821953248 12986337264 13034081151 13750239456 14068532036 14609629422 14896092744 14958945456 15150726808 15838883424 16041946032 16828813638 17044567659 17378774868 19232929872 19479505896 19861456992 20712386016 21102798054 22344139116 22438418184 22726090212 23171699824 24062919048 24619931063 25972674528 26068162302 28137064072 29219258844 29792185488 29917890912 30301453616 31654197081 32083892064 33657627276 34089135318 34757549736 38465859744 38959011792 39102243453 42205596108 44688278232 44876836368 45452180424 46343399648 48125838096 49239862126 51133702977 52136324604 56274128144 58438517688 59584370976 60602907232 63308394162 67315254552 68178270636 69515099472 73859793189 77918023584 78204486906 84411192216 89376556464 89753672736 90904360848 94962591243 96251676192 98479724252 102267405954 104272649208 112548256288 116877035376 126616788324 134630509104 136356541272 139030198944 147719586378 156408973812 168822384432 178753112928 181808721696 189925182486 196959448504 204534811908 208545298416 221579379567 233754070752 253233576648 269261018208 272713082544 295439172756 312817947624 337644768864 379850364972 393918897008 409069623816 417090596832 443158759134 506467153296 545426165088 590878345512 625635895248 664738138701 759700729944 787837794016 818139247632 886317518268 1012934306592 1181756691024 1251271790496 1329476277402 1519401459888 1636278495264 1772635036536 2363513382048 2658952554804 3038802919776 3545270073072 5317905109608 7090540146144 10635810219216 21271620438432
• Sum of all divisors σ(n): 81875249971200
• Sum of proper divisors (its aliquot sum) s(n): 60603629532768
• 21271620438432 is an abundant number, because the sum of its proper divisors (60603629532768) is greater than itself. Its abundance is 39332009094336

Bases of 21271620438432

• Binary: 100110101100010101111011000010100100110100000₂
• Hexadecimal: 0x1358AF6149A0
• Base-36: 7JG1PLBC0

Squares and roots of 21271620438432

• 21271620438432 squared (21271620438432²) is 452481836076717991902618624
• 21271620438432 cubed (21271620438432³) is 9625021872308752325703203000499768557568
• The square root of 21271620438432 is 4612116.6982668597
• The cube root of 21271620438432 is 27707.6818127119

Scales and comparisons

• 21,271,620,438,432 seconds is equal to 676,371 years, 38 weeks, 15 hours, 7 minutes, 12 seconds.
• To count from 1 to 21,271,620,438,432 would take you about one million, six hundred ninety thousand, nine hundred twenty-nine 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 21271620438432 cubic inches would be around 2309 feet tall.

Recreational maths with 21271620438432

• 21271620438432 backwards is 23483402617212
• The number of decimal digits it has is: 14
• The sum of 21271620438432's digits is 45
• More coming soon!