13255478001856728

Names of 13255478001856728

• Cardinal: 13255478001856728 can be written as Thirteen quadrillion, two hundred fifty-five trillion, four hundred seventy-eight billion, one million, eight hundred fifty-six thousand, seven hundred twenty-eight.

Scientific notation

• Scientific notation: 1.3255478001856728 × 10¹⁶

Factors of 13255478001856728

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 110622

Divisors of 13255478001856728

• Number of divisors d(n): 216
• Complete list of divisors:
  1 2 3 4 6 8 9 11 12 18 22 24 33 36 37 44 66 72 74 88 99 111 132 148 198 222 264 296 333 396 407 444 666 792 814 888 1221 1332 1369 1628 2442 2664 2738 3256 3663 4107 4884 5476 7326 8214 9768 10952 12321 14652 15059 16428 24642 29304 30118 32856 45177 49284 60236 90354 98568 110569 120472 135531 180708 221138 271062 331707 361416 442276 542124 663414 884552 995121 1084248 1216259 1326828 1990242 2432518 2653656 3648777 3980484 4091053 4865036 7297554 7960968 8182106 9730072 10946331 12273159 14595108 16364212 21892662 24546318 29190216 32728424 36819477 43785324 45001583 49092636 73638954 87570648 90003166 98185272 135004749 147277908 151368961 180006332 270009498 294555816 302737922 360012664 405014247 454106883 540018996 605475844 810028494 908213766 1080037992 1210951688 1362320649 1620056988 1665058571 1816427532 2724641298 3240113976 3330117142 3632855064 4995175713 5449282596 6660234284 9990351426 10898565192 12225503761 13320468568 14985527139 19980702852 24451007522 29971054278 36676511283 39961405704 48902015044 59942108556 73353022566 97804030088 110029533849 119884217112 134480541371 146706045132 220059067698 268961082742 293412090264 403441624113 440118135396 452343639157 537922165484 806883248226 880236270792 904687278314 1075844330968 1210324872339 1357030917471 1613766496452 1809374556628 2420649744678 2714061834942 3227532992904 3618749113256 4071092752413 4841299489356 4975780030727 5428123669884 8142185504826 9682598978712 9951560061454 10856247339768 14927340092181 16284371009652 16736714648809 19903120122908 29854680184362 32568742019304 33473429297618 39806240245816 44782020276543 50210143946427 59709360368724 66946858595236 89564040553086 100420287892854 119418720737448 133893717190472 150630431839281 179128081106172 184103861136899 200840575785708 301260863678562 358256162212344 368207722273798 401681151571416 552311583410697 602521727357124 736415444547596 1104623166821394 1205043454714248 1472830889095192 1656934750232091 2209246333642788 3313869500464182 4418492667285576 6627739000928364 13255478001856728
• Sum of all divisors σ(n): 40251368111097780
• Sum of proper divisors (its aliquot sum) s(n): 26995890109241052
• 13255478001856728 is an abundant number, because the sum of its proper divisors (26995890109241052) is greater than itself. Its abundance is 13740412107384324

Bases of 13255478001856728

• Binary: 101111000101111100100101111001101000001111000011011000₂
• Hexadecimal: 0x2F17C979A0F0D8
• Base-36: 3MIOAJ007A0

Squares and roots of 13255478001856728

• 13255478001856728 squared (13255478001856728²) is 175707697057707634315415438865984
• 13255478001856728 cubed (13255478001856728³) is 2329089513105349678042597791195588537326760740352
• The square root of 13255478001856728 is 115132436.7928375257
• The cube root of 13255478001856728 is 236663.7805308581

Scales and comparisons

• 13,255,478,001,856,728 seconds is equal to 421,483,198 years, 29 weeks, 5 days, 17 hours, 58 minutes, 48 seconds.
• To count from 1 to 13,255,478,001,856,728 would take you about one billion, two hundred sixty-four million, four hundred forty-nine thousand, five 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 13255478001856728 cubic inches would be around 19722 feet tall.

Recreational maths with 13255478001856728

• 13255478001856728 backwards is 82765810087455231
• 13255478001856728 is a Harshad number.
• The number of decimal digits it has is: 17
• The sum of 13255478001856728's digits is 72
• More coming soon!