21012055073394

Names of 21012055073394

• Cardinal: 21012055073394 can be written as Twenty-one trillion, twelve billion, fifty-five million, seventy-three thousand, three hundred ninety-four.

Scientific notation

• Scientific notation: 2.1012055073394 × 10¹³

Factors of 21012055073394

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 91

Divisors of 21012055073394

• Number of divisors d(n): 400
• Complete list of divisors:
  1 2 3 6 7 11 14 21 22 31 33 37 42 62 66 74 77 93 111 121 154 186 217 222 231 242 259 341 363 407 434 462 518 651 682 726 777 814 847 961 1023 1147 1221 1302 1331 1554 1694 1922 2046 2294 2387 2442 2541 2662 2849 2883 3441 3751 3993 4477 4774 5082 5698 5766 6727 6882 7161 7502 7986 8029 8547 8954 9317 10571 11253 12617 13431 13454 14322 14641 16058 17094 18634 20181 21142 22506 24087 25234 26257 26862 27951 29282 29791 31339 31713 35557 37851 40362 41261 43923 48174 49247 52514 55902 59582 62678 63426 71114 73997 75702 78771 82522 87846 88319 89373 94017 98494 102487 106671 116281 123783 138787 147741 147994 157542 176638 178746 188034 204974 208537 213342 221991 232562 247566 248899 264957 277574 288827 295482 307461 327701 344729 348843 391127 416361 417074 443982 453871 497798 529914 541717 577654 614922 625611 655402 689458 697686 746697 782254 813967 832722 866481 907742 923521 971509 983103 1034187 1083434 1102267 1173381 1251222 1279091 1361613 1493394 1526657 1625151 1627934 1732962 1847042 1943018 1966206 2068374 2204534 2293907 2346762 2441901 2558182 2723226 2737889 2770563 2914527 3053314 3177097 3250302 3306801 3604711 3792019 3837273 4302397 4579971 4587814 4883802 5475778 5541126 5829054 6354194 6464647 6613602 6881721 7209422 7584038 7674546 7715869 8213667 8604794 8953637 9159942 9531291 10158731 10686599 10814133 11376057 12124937 12907191 12929294 13763442 14070001 15431738 16427334 16793227 17907274 19062582 19393941 20317462 21373198 21628266 22752114 23147607 24249874 25232977 25814382 26860911 28140002 30116779 30476193 32059797 33586454 34170277 36374811 38787882 39651821 42210003 46295214 47326367 50379681 50465954 53721822 60233558 60952386 64119594 68340554 71111117 72749622 75698931 79303642 84420006 84874559 90350337 94652734 98490007 100759362 102510831 111746041 117552589 118955463 133374307 141979101 142222234 151397862 169749118 180700674 196980014 205021662 213333351 223492082 235105178 237910926 239191939 254623677 266748614 277562747 283958202 295470021 331284569 335238123 352657767 375873047 400122921 426666702 436170031 478383878 509247354 520590037 555125494 590940042 662569138 670476246 705315534 717575817 751746094 782222287 800245842 832688241 872340062 933620149 993853707 1041180074 1127619141 1229206451 1308510093 1435151634 1467117377 1561770111 1564444574 1665376482 1867240298 1987707414 2255238282 2346666861 2458412902 2617020186 2631111329 2800860447 2934234754 3053190217 3123540222 3644130259 3687619353 4134603517 4401352131 4693333722 5262222658 5601720894 6106380434 7288260518 7375238706 7893333987 8269207034 8604445157 8802704262 9159570651 10269821639 10932390777 12403810551 13521270961 15786667974 16138291147 17208890314 18319141302 20539643278 21864781554 24807621102 25813335471 27042541922 28942224619 30809464917 32276582294 40563812883 45480638687 48414873441 51626670942 57884449238 61618929834 81127625766 86826673857 90961277374 94648896727 96829746882 112968038029 136441916061 173653347714 189297793454 225936076058 272883832122 283946690181 318364470809 338904114087 500287025557 567893380362 636728941618 677808228174 955093412427 1000574051114 1500861076671 1910186824854 3001722153342 3502009178899 7004018357798 10506027536697 21012055073394
• Sum of all divisors σ(n): 56066411227200
• Sum of proper divisors (its aliquot sum) s(n): 35054356153806
• 21012055073394 is an abundant number, because the sum of its proper divisors (35054356153806) is greater than itself. Its abundance is 14042301080412

Bases of 21012055073394

• Binary: 100110001110001000000000101000010001001110010₂
• Hexadecimal: 0x131C40142272
• Base-36: 7G4SZ2PV6

Squares and roots of 21012055073394

• 21012055073394 squared (21012055073394²) is 441506458407342534726679236
• 21012055073394 cubed (21012055073394³) is 9276958019314218751864892067919875846984
• The square root of 21012055073394 is 4583890.8225866375
• The cube root of 21012055073394 is 27594.5199656105

Scales and comparisons

• 21,012,055,073,394 seconds is equal to 668,118 years, 18 weeks, 3 days, 20 hours, 49 minutes, 54 seconds.
• To count from 1 to 21,012,055,073,394 would take you about one million, six hundred seventy thousand, two hundred ninety-five 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 21012055073394 cubic inches would be around 2299.5 feet tall.

Recreational maths with 21012055073394

• 21012055073394 backwards is 49337055021012
• 21012055073394 is a Harshad number.
• The number of decimal digits it has is: 14
• The sum of 21012055073394's digits is 42
• More coming soon!