15642855804551913

Names of 15642855804551913

• Cardinal: 15642855804551913 can be written as Fifteen quadrillion, six hundred forty-two trillion, eight hundred fifty-five billion, eight hundred four million, five hundred fifty-one thousand, nine hundred thirteen.

Scientific notation

• Scientific notation: 1.5642855804551913 × 10¹⁶

Factors of 15642855804551913

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 912

Divisors of 15642855804551913

• Number of divisors d(n): 144
• Complete list of divisors:
  1 3 7 9 21 27 49 63 147 189 331 441 571 993 1323 1713 2317 2979 3997 5139 6951 8937 11991 15417 16219 20853 27979 35973 48657 62559 83937 107919 109561 145971 189001 251811 326041 328683 437913 567003 755433 766927 978123 986049 1323007 1701009 2282287 2300781 2934369 2958147 3969021 5103027 5368489 6846861 6902343 8803107 9261049 11907063 15976009 16105467 20540583 20707029 27783147 35721189 36264691 47928027 48316401 61621749 62559331 83349441 107919571 108794073 143784081 144949203 187677993 250048323 253852837 323758713 326382219 431352243 437915317 563033979 755436997 761558511 971276139 979146657 1313745951 1689101937 1776969859 2266310991 2284675533 2913828417 3065407219 3941237853 5288058979 5330909577 6798932973 6854026599 9196221657 11823713559 15864176937 15992728731 20396798919 20707138561 27588664971 35721378001 47592530811 47978186193 62121415683 82765994913 107164134003 142777592433 144949969927 186364247049 250049646007 321492402009 434849909781 559092741147 750148938021 964477206027 1014649789489 1304549729343 1750347522049 2250446814063 3043949368467 3913649188029 5251042566147 6751340442189 9131848105401 11823776118331 15753127698441 27395544316203 35471328354993 47259383095323 82766432828317 106413985064979 248299298484951 319241955194937 579365029798219 744897895454853 1738095089394657 2234693686364559 5214285268183971 15642855804551913
• Sum of all divisors σ(n): 27087339369101760
• Sum of proper divisors (its aliquot sum) s(n): 11444483564549847
• 15642855804551913 is a deficient number, because the sum of its proper divisors (11444483564549847) is less than itself. Its deficiency is 4198372240002066

Bases of 15642855804551913

• Binary: 110111100100110001100000101111100000001100001011101001₂
• Hexadecimal: 0x3793182F80C2E9
• Base-36: 4A0XGQZGMW9

Squares and roots of 15642855804551913

• 15642855804551913 squared (15642855804551913²) is 244698937722003477367010711959569
• 15642855804551913 cubed (15642855804551913³) is 3827790198312329159253690258910975128058217605497
• The square root of 15642855804551913 is 125071402.8247541205
• The cube root of 15642855804551913 is 250095.1947048821

Scales and comparisons

• 15,642,855,804,551,913 seconds is equal to 497,394,428 years, 2 weeks, 5 days, 22 hours, 38 minutes, 33 seconds.
• To count from 1 to 15,642,855,804,551,913 would take you about one billion, four hundred ninety-two million, one hundred eighty-three thousand, two hundred eighty-four 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 15642855804551913 cubic inches would be around 20841.3 feet tall.

Recreational maths with 15642855804551913

• 15642855804551913 backwards is 31915540855824651
• The number of decimal digits it has is: 17
• The sum of 15642855804551913's digits is 72
• More coming soon!