1681391655385104

Names of 1681391655385104

• Cardinal: 1681391655385104 can be written as One quadrillion, six hundred eighty-one trillion, three hundred ninety-one billion, six hundred fifty-five million, three hundred eighty-five thousand, one hundred four.

Scientific notation

• Scientific notation: 1.681391655385104 × 10¹⁵

Factors of 1681391655385104

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 530847

Divisors of 1681391655385104

• Number of divisors d(n): 240
• Complete list of divisors:
  1 2 3 4 6 8 12 13 16 24 26 39 48 52 61 78 104 122 156 169 183 208 244 312 338 366 488 507 624 676 732 793 976 1014 1352 1464 1586 2028 2379 2704 2928 3172 4056 4758 6344 6481 8112 9516 10309 12688 12962 19032 19443 20618 25924 30927 38064 38886 41236 51848 61854 77772 82472 84253 103696 123708 155544 164944 168506 247416 252759 311088 337012 395341 494832 505518 524287 674024 790682 1011036 1048574 1095289 1186023 1348048 1572861 1581364 2022072 2097148 2190578 2372046 3145722 3162728 3285867 4044144 4194296 4381156 4744092 5139433 6291444 6325456 6571734 6815731 8388592 8762312 9488184 10278866 12582888 13143468 13631462 15418299 17524624 18976368 20447193 20557732 25165776 26286936 27262924 30836598 31981507 40894386 41115464 52573872 54525848 61673196 63963014 66812629 81788772 82230928 88604503 95944521 109051696 123346392 127926028 133625258 163577544 177209006 191889042 200437887 246692784 255852056 265813509 267250516 327155088 354418012 383778084 400875774 415759591 511704112 531627018 534501032 708836024 767556168 801751548 831519182 1063254036 1069002064 1247278773 1417672048 1535112336 1603503096 1663038364 2126508072 2494557546 3207006192 3326076728 3397904047 4253016144 4989115092 5404874683 6652153456 6795808094 9978230184 10193712141 10809749366 13591616188 16214624049 19956460368 20387424282 21619498732 27183232376 32429248098 40774848564 43238997464 44172752611 54366464752 64858496196 81549697128 86477994928 88345505222 129716992392 132518257833 163099394256 176691010444 207272146867 259433984784 265036515666 353382020888 414544293734 530073031332 574245783943 621816440601 706764041776 829088587468 1060146062664 1148491567886 1243632881202 1658177174936 1722737351829 2120292125328 2296983135772 2487265762404 2694537909271 3316354349872 3445474703658 4593966271544 4974531524808 5389075818542 6890949407316 8083613727813 9187932543088 9949063049616 10778151637084 13781898814632 16167227455626 21556303274168 27563797629264 32334454911252 35028992820523 43112606548336 64668909822504 70057985641046 105086978461569 129337819645008 140115971282092 210173956923138 280231942564184 420347913846276 560463885128368 840695827692552 1681391655385104
• Sum of all divisors σ(n): 4781271536369664
• Sum of proper divisors (its aliquot sum) s(n): 3099879880984560
• 1681391655385104 is an abundant number, because the sum of its proper divisors (3099879880984560) is greater than itself. Its abundance is 1418488225599456

Bases of 1681391655385104

• Binary: 101111110010011011110000000010110001111100000010000₂
• Hexadecimal: 0x5F9378058F810
• Base-36: GK04NVDBTC

Squares and roots of 1681391655385104

• 1681391655385104 squared (1681391655385104²) is 2827077898798660328962545090816
• 1681391655385104 cubed (1681391655385104³) is 4753425188163721009436137410584031505133604864
• The square root of 1681391655385104 is 41004776.0070105005
• The cube root of 1681391655385104 is 118911.2549599961

Scales and comparisons

• 1,681,391,655,385,104 seconds is equal to 53,463,053 years, 39 weeks, 1 day, 22 hours, 58 minutes, 24 seconds.
• To count from 1 to 1,681,391,655,385,104 would take you about one hundred sixty million, three hundred eighty-nine thousand, one hundred sixty-one 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 1681391655385104 cubic inches would be around 9909.3 feet tall.

Recreational maths with 1681391655385104

• 1681391655385104 backwards is 4015835561931861
• The number of decimal digits it has is: 16
• The sum of 1681391655385104's digits is 66
• More coming soon!