21420550993629492

Names of 21420550993629492

• Cardinal: 21420550993629492 can be written as Twenty-one quadrillion, four hundred twenty trillion, five hundred fifty billion, nine hundred ninety-three million, six hundred twenty-nine thousand, four hundred ninety-two.

Scientific notation

• Scientific notation: 2.1420550993629492 × 10¹⁶

Factors of 21420550993629492

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 17
• Sum of prime factors: 125

Divisors of 21420550993629492

• Number of divisors d(n): 384
• Complete list of divisors:
  1 2 3 4 6 9 12 18 27 31 36 54 62 81 89 93 108 124 162 178 186 243 267 279 324 356 372 486 534 558 729 801 837 961 972 1068 1116 1458 1602 1674 1922 2187 2403 2511 2759 2883 2916 3204 3348 3844 4374 4806 5022 5518 5766 7209 7533 8277 8649 8748 9612 10044 11036 11532 14418 15066 16554 17298 21627 22599 24831 25947 28836 29791 30132 33108 34596 43254 45198 49662 51894 59582 64881 67797 74493 77841 85529 86508 89373 90396 99324 103788 119164 129762 135594 148986 155682 171058 178746 194643 223479 233523 256587 259524 268119 271188 297972 311364 342116 357492 389286 446958 467046 513174 536238 670437 700569 769761 778572 804357 893916 923521 934092 1026348 1072476 1340874 1401138 1539522 1608714 1847042 2011311 2101707 2309283 2413071 2651399 2681748 2770563 2802276 3079044 3217428 3694084 4022622 4203414 4618566 4826142 5302798 5541126 6033933 6927849 7239213 7954197 8045244 8311689 8406828 9237132 9652284 10605596 11082252 12067866 13855698 14478426 15908394 16623378 20783547 21717639 23862591 24135732 24935067 27711396 28629151 28956852 31816788 33246756 41567094 43435278 47725182 49870134 57258302 62350641 65152917 71587773 74805201 82193369 83134188 85887453 86870556 95450364 99740268 114516604 124701282 130305834 143175546 149610402 164386738 171774906 187051923 214763319 224415603 246580107 249402564 257662359 260611668 286351092 299220804 328773476 343549812 374103846 429526638 448831206 493160214 515324718 644289957 673246809 739740321 748207692 772987077 859053276 887503681 897662412 986320428 1030649436 1288579914 1346493618 1479480642 1545974154 1775007362 1932869871 2019740427 2219220963 2318961231 2547994439 2577159828 2662511043 2692987236 2958961284 3091948308 3550014724 3865739742 4039480854 4438441926 4637922462 5095988878 5325022086 5798609613 6657662889 6956883693 7643983317 7731479484 7987533129 8078961708 8876883852 9275844924 10191977756 10650044172 11597219226 13315325778 13913767386 15287966634 15975066258 19972988667 20870651079 22931949951 23194438452 23962599387 26630651556 27512614111 27827534772 30575933268 31950132516 39945977334 41741302158 45863899902 47925198774 55025228222 59918966001 62611953237 68795849853 71887798161 78987827609 79891954668 82537842333 83482604316 91727799804 95850397548 110050456444 119837932002 125223906474 137591699706 143775596322 157975655218 165075684666 179756898003 206387549559 215663394483 236963482827 239675864004 247613526999 250447812948 275183399412 287551192644 315951310436 330151369332 359513796006 412775099118 431326788966 473926965654 495227053998 619162648677 646990183449 710890448481 719027592012 742840580997 825550198236 862653577932 947853931308 990454107996 1238325297354 1293980366898 1421780896962 1485681161994 1857487946031 1940970550347 2132671345443 2228521742991 2448622655879 2476650594708 2587960733796 2843561793924 2971362323988 3714975892062 3881941100694 4265342690886 4457043485982 4897245311758 5572463838093 6398014036329 6685565228973 7345867967637 7429951784124 7763882201388 8530685381772 8914086971964 9794490623516 11144927676186 12796028072658 13371130457946 14691735935274 19194042108987 20056695686919 22037603902911 22289855352372 25592056145316 26742260915892 29383471870548 38388084217974 40113391373838 44075207805822 57582126326961 60170087060757 66112811708733 76776168435948 80226782747676 88150415611644 115164252653922 120340174121514 132225623417466 172746378980883 198338435126199 230328505307844 240680348243028 264451246834932 345492757961766 396676870252398 595015305378597 690985515923532 793353740504796 1190030610757194 1785045916135791 2380061221514388 3570091832271582 5355137748407373 7140183664543164 10710275496814746 21420550993629492
• Sum of all divisors σ(n): 58747134658867200
• Sum of proper divisors (its aliquot sum) s(n): 37326583665237708
• 21420550993629492 is an abundant number, because the sum of its proper divisors (37326583665237708) is greater than itself. Its abundance is 15906032671608216

Bases of 21420550993629492

• Binary: 1001100000110011110000010101100110111100101000100110100₂
• Hexadecimal: 0x4C19E0ACDE5134
• Base-36: 5UWY99ZDB90

Squares and roots of 21420550993629492

• 21420550993629492 squared (21420550993629492²) is 458840004870681417020767372178064
• 21420550993629492 cubed (21420550993629492³) is 9828605722249635776296900622294066282664665863488
• The square root of 21420550993629492 is 146357613.3777450335
• The cube root of 21420550993629492 is 277721.9542598615

Scales and comparisons

• 21,420,550,993,629,492 seconds is equal to 681,107,263 years, 25 weeks, 17 hours, 58 minutes, 12 seconds.
• To count from 1 to 21,420,550,993,629,492 would take you about two billion, forty-three million, three hundred twenty-one thousand, seven hundred ninety 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 21420550993629492 cubic inches would be around 23143.5 feet tall.

Recreational maths with 21420550993629492

• 21420550993629492 backwards is 29492639905502412
• The number of decimal digits it has is: 17
• The sum of 21420550993629492's digits is 72
• More coming soon!