21165214428072

Names of 21165214428072

• Cardinal: 21165214428072 can be written as Twenty-one trillion, one hundred sixty-five billion, two hundred fourteen million, four hundred twenty-eight thousand and seventy-two.

Scientific notation

• Scientific notation: 2.1165214428072 × 10¹³

Factors of 21165214428072

• Number of distinct prime factors ω(n): 8
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 4747

Divisors of 21165214428072

• Number of divisors d(n): 768
• Complete list of divisors:
  1 2 3 4 6 8 9 11 12 13 17 18 22 23 24 26 33 34 36 39 44 46 51 52 66 68 69 72 78 88 92 99 102 104 117 132 136 138 143 153 156 184 187 198 204 207 221 234 253 264 276 286 299 306 312 374 391 396 408 414 429 442 468 506 552 561 572 598 612 663 748 759 782 792 828 858 884 897 936 1012 1122 1144 1173 1196 1224 1287 1326 1496 1518 1564 1656 1683 1716 1768 1794 1877 1989 2024 2244 2277 2346 2392 2431 2574 2652 2691 2801 3036 3128 3289 3366 3432 3519 3588 3754 3978 4301 4488 4554 4692 4862 5083 5148 5304 5382 5602 5631 6072 6578 6732 7038 7176 7293 7508 7956 8403 8602 9108 9384 9724 9867 10166 10296 10764 11204 11262 12903 13156 13464 14076 14586 15016 15249 15912 16806 16893 17204 18216 19448 19734 20332 20647 21528 21879 22408 22524 24401 25209 25806 26312 28152 29172 29601 30498 30811 31909 33612 33786 34408 36413 38709 39468 40664 41294 43171 43758 45048 45747 47617 48802 50418 51612 55913 58344 59202 60996 61622 61941 63818 64423 67224 67572 72826 73203 77418 78936 82588 86342 87516 91494 92433 95234 95727 97604 100836 103224 109239 111826 118404 121992 123244 123882 127636 128846 129513 135144 142851 145652 146406 154836 165176 167739 172684 175032 182988 184866 185823 190468 191454 193269 195208 201672 218478 219609 223652 236808 246488 247764 255272 257692 259026 268411 277299 285702 287181 291304 292812 309672 327717 335478 345368 350999 365976 369732 371646 380936 382908 386538 388539 400543 414817 428553 436956 439218 447304 474881 495528 503217 515384 518052 523787 536822 554598 561223 571404 574362 579807 585624 619021 655434 670956 701998 708653 733907 739464 743292 765816 773076 777078 801086 805233 829634 837499 857106 873912 878436 949762 1006434 1036104 1047574 1052997 1073644 1095191 1109196 1122446 1142808 1148724 1159614 1201629 1238042 1244451 1310868 1341912 1403996 1417306 1424643 1467814 1486584 1546152 1554156 1571361 1602172 1610466 1659268 1674998 1683669 1714212 1756872 1857063 1899524 2012868 2095148 2105994 2125959 2147288 2190382 2201721 2218392 2244892 2297448 2319228 2403258 2415699 2476084 2488902 2512497 2621736 2807992 2834612 2849286 2935628 3108312 3142722 3158991 3204344 3220932 3285573 3318536 3349996 3367338 3428424 3604887 3714126 3733353 3799048 4025736 4190296 4211988 4251918 4273929 4380764 4403442 4489784 4562987 4638456 4714083 4806516 4831398 4952168 4977804 5024994 5051007 5257477 5571189 5669224 5698572 5871256 6173453 6285444 6317982 6377877 6441864 6571146 6605163 6699992 6734676 6809231 7209774 7428252 7466706 7537491 8072977 8423976 8503836 8547858 8761528 8806884 9125974 9212489 9428166 9540791 9613032 9662796 9856719 9955608 10049988 10102014 10514954 11142378 11397144 12047101 12346906 12570888 12635964 12755754 13142292 13210326 13469352 13618462 13688961 14237483 14419548 14856504 14933412 15074982 15772431 16145954 17007672 17095716 17613768 18251948 18424978 18520359 18856332 19081582 19325592 19713438 20099976 20204028 20427693 21029908 22284756 24094202 24218931 24693812 25271928 25511508 26284584 26420652 27236924 27377922 27637467 28474966 28622373 28839096 29866824 30149964 31544862 32291908 34191432 36141303 36503896 36849956 37040718 37712664 38163164 39426876 40408056 40855386 41066883 42059816 42712449 44569512 47317293 48188404 48437862 49387624 51023016 52841304 54473848 54755844 55274934 55561077 56949932 57244746 57832247 60299928 61283079 63089724 64583816 68347201 72282606 72656793 73699912 74081436 76326328 78853752 81710772 82133766 82912401 85424898 85867119 89377109 94634586 96376808 96875724 104948701 108423909 109511688 110549868 111122154 113899864 114489492 115664494 120921971 122566158 126179448 128137347 136694402 144565212 145313586 148162872 156612313 163421544 164267532 165824802 170849796 171734238 173496741 178754218 189269172 193751448 205041603 209897402 216847818 221099736 222244308 228978984 231328988 241843942 245132316 256274694 268131327 273388804 289130424 290627172 313224626 314846103 328535064 331649604 341699592 343468476 346993482 357508436 362765913 378538344 410083206 419794804 433695636 444488616 462657976 469836939 483687884 490264632 512549388 520490223 536262654 546777608 581254344 615124809 626449252 629692206 663299208 686936952 693986964 715016872 725531826 751819211 804393981 820166412 839589608 867391272 939673878 944538309 967375768 983148199 1025098776 1040980446 1072525308 1088297739 1161902417 1230249618 1252898504 1259384412 1330141681 1387973928 1409510817 1451063652 1503638422 1571985623 1608787962 1640332824 1879347756 1889076618 1966296398 2055673507 2081960892 2145050616 2176595478 2255457633 2323804834 2460499236 2518768824 2660283362 2819021634 2902127304 2949444597 3007276844 3143971246 3217575924 3485707251 3758695512 3778153236 3932592796 3990425043 4111347014 4163921784 4353190956 4510915266 4647609668 4715956869 4920998472 5320566724 5638043268 5898889194 6014553688 6167020521 6287942492 6435151848 6766372899 6971414502 7556306472 7865185592 7980850086 8222694028 8706381912 8848333791 9021830532 9295219336 9431913738 10457121753 10641133448 11276086536 11797778388 11971275129 12334041042 12575884984 12780926587 13532745798 13942829004 14147870607 15961700172 16445388056 17291841853 17696667582 18043661064 18501061563 18863827476 20914243506 22612408577 23595556776 23942550258 24668082084 25561853174 26723755591 27065491596 27885658008 28295741214 31923400344 34583683706 35393335164 37002123126 37727654952 38342779761 41828487012 45224817154 47885100516 49336164168 51123706348 51875525559 53447511182 54130983192 56591482428 67837225731 69167367412 70786670328 74004246252 76685559522 80171266773 83656974024 90449634308 95770201032 102247412696 103751051118 106895022364 113182964856 115028339283 135674451462 138334734824 148008492504 153371119044 155626576677 160342533546 180899268616 203511677193 207502102236 213790044728 230056678566 240513800319 271348902924 293961311501 306742238088 311253153354 320685067092 407023354386 415004204472 460113357132 481027600638 542697805848 587922623002 622506306708 641370134184 814046708772 881883934503 920226714264 962055201276 1175845246004 1245012613416 1628093417544 1763767869006 1924110402552 2351690492008 2645651803509 3527535738012 5291303607018 7055071476024 10582607214036 21165214428072
• Sum of all divisors σ(n): 74471715601920
• Sum of proper divisors (its aliquot sum) s(n): 53306501173848
• 21165214428072 is an abundant number, because the sum of its proper divisors (53306501173848) is greater than itself. Its abundance is 32141286745776

Bases of 21165214428072

• Binary: 100110011111111101001000101100110101110101000₂
• Hexadecimal: 0x133FE9166BA8
• Base-36: 7I35Y78A0

Squares and roots of 21165214428072

• 21165214428072 squared (21165214428072²) is 447966301786267158061637184
• 21165214428072 cubed (21165214428072³) is 9481302833856757399797331075478528629248
• The square root of 21165214428072 is 4600566.7507462599
• The cube root of 21165214428072 is 27661.4042919113

Scales and comparisons

• 21,165,214,428,072 seconds is equal to 672,988 years, 18 weeks, 1 day, 14 hours, 1 minute, 12 seconds.
• To count from 1 to 21,165,214,428,072 would take you about one million, six hundred eighty-two thousand, four hundred seventy 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 21165214428072 cubic inches would be around 2305.1 feet tall.

Recreational maths with 21165214428072

• 21165214428072 backwards is 27082441256112
• The number of decimal digits it has is: 14
• The sum of 21165214428072's digits is 45
• More coming soon!