21237156840340

Names of 21237156840340

• Cardinal: 21237156840340 can be written as Twenty-one trillion, two hundred thirty-seven billion, one hundred fifty-six million, eight hundred forty thousand, three hundred forty.

Scientific notation

• Scientific notation: 2.123715684034 × 10¹³

Factors of 21237156840340

• Number of distinct prime factors ω(n): 8
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 45653

Divisors of 21237156840340

• Number of divisors d(n): 384
• Complete list of divisors:
  1 2 4 5 7 10 14 17 19 20 28 34 35 38 43 68 70 76 85 86 95 119 133 140 170 172 190 215 238 241 266 301 323 340 380 430 476 482 532 595 602 646 665 731 817 860 964 1190 1204 1205 1292 1330 1462 1505 1615 1634 1687 2261 2380 2410 2660 2924 3010 3230 3268 3374 3655 4085 4097 4522 4579 4820 5117 5719 6020 6460 6748 7310 8170 8194 8435 9044 9158 10234 10363 11305 11438 13889 14620 16340 16388 16870 18316 20468 20485 20726 22610 22876 22895 25585 27778 28595 28679 32053 33740 40970 41452 45220 45319 45790 51170 51815 55556 57190 57358 64106 69445 72541 77843 81940 90638 91580 97223 102340 103630 114380 114716 128212 138890 143395 145082 155686 160265 176171 181276 194446 196897 207260 226595 277780 286790 290164 311372 317233 320530 352342 362705 388892 389215 393794 453190 486115 544901 573580 634466 641060 704684 725410 770423 778430 787588 861061 880855 906380 972230 984485 1089802 1233197 1268932 1378279 1450820 1540846 1556860 1586165 1722122 1761710 1944460 1948717 1968970 2179604 2466394 2724505 2756558 3081692 3172330 3347249 3444244 3523420 3852115 3897434 3937940 4305305 4932788 5392961 5449010 5513116 6027427 6165985 6344660 6694498 6891395 7704230 7794868 8610610 9743585 10785922 10898020 10921879 12054854 12331970 13388996 13641019 13782790 14638037 15408460 16736245 17221220 19487170 21571844 21843758 23430743 24109708 24663940 26964805 27282038 27565580 29276074 30137135 33128189 33472490 37025623 38974340 43687516 46861486 53929610 54564076 54609395 58552148 60274270 66256378 66944980 68205095 73190185 74051246 76453153 93722972 102466259 107859220 109218790 117153715 120548540 132512756 136410190 146380370 148102492 152906306 165640945 185128115 185671943 204932518 207515701 218437580 231897323 234307430 259179361 272820380 292760740 305812612 331281890 370256230 371343886 382265765 409865036 415031402 463794646 468614860 469640797 512331295 518358722 629435591 662563780 740512460 742687772 764531530 830062804 927589292 928359715 939281594 1024662590 1036717444 1037578505 1159486615 1258871182 1295896805 1299703601 1452609907 1529063060 1856719430 1878563188 2049325180 2075157010 2318973230 2348203985 2517742364 2591793610 2599407202 2905219814 3147177955 3287485579 3527766917 3713438860 4150314020 4406049137 4637946460 4696407970 5183587220 5198814404 5810439628 6294355910 6498518005 6574971158 7055533834 7263049535 7983893549 8812098274 8923175143 9392815940 12588711820 12997036010 13149942316 14111067668 14526099070 15967787098 16437427895 17624196548 17638834585 17846350286 22030245685 24694368419 25994072020 29052198140 31935574196 32874855790 35277669170 35692700572 39919467745 44060491370 44615875715 49388736838 55887254843 62462226001 65749711580 70555338340 79838935490 88120982740 89231751430 98777473676 111774509686 123471842095 124924452002 151693977431 159677870980 178463502860 223549019372 246943684190 249848904004 279436274215 303387954862 312311130005 493887368380 558872548430 606775909724 624622260010 758469887155 1061857842017 1117745096860 1249244520020 1516939774310 2123715684034 3033879548620 4247431368068 5309289210085 10618578420170 21237156840340
• Sum of all divisors σ(n): 58371347865600
• Sum of proper divisors (its aliquot sum) s(n): 37134191025260
• 21237156840340 is an abundant number, because the sum of its proper divisors (37134191025260) is greater than itself. Its abundance is 15897034184920

Bases of 21237156840340

• Binary: 100110101000010101001001100001000001110010100₂
• Hexadecimal: 0x1350A9308394
• Base-36: 7J07QUSUS

Squares and roots of 21237156840340

• 21237156840340 squared (21237156840340²) is 451016830661200052251315600
• 21237156840340 cubed (21237156840340³) is 9578315170384972134702192511304151304000
• The square root of 21237156840340 is 4608378.9818481725
• The cube root of 21237156840340 is 27692.7100246679

Scales and comparisons

• 21,237,156,840,340 seconds is equal to 675,275 years, 46 weeks, 4 days, 9 hours, 25 minutes, 40 seconds.
• To count from 1 to 21,237,156,840,340 would take you about one million, six hundred eighty-eight thousand, one hundred eighty-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 21237156840340 cubic inches would be around 2307.7 feet tall.

Recreational maths with 21237156840340

• 21237156840340 backwards is 04304865173212
• The number of decimal digits it has is: 14
• The sum of 21237156840340's digits is 46
• More coming soon!