82391647801696972

Names of 82391647801696972

• Cardinal: 82391647801696972 can be written as Eighty-two quadrillion, three hundred ninety-one trillion, six hundred forty-seven billion, eight hundred one million, six hundred ninety-six thousand, nine hundred seventy-two.

Scientific notation

• Scientific notation: 8.2391647801696972 × 10¹⁶

Factors of 82391647801696972

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 6
• Sum of prime factors: 681395744268

Divisors of 82391647801696972

• Number of divisors d(n): 48
• Complete list of divisors:
  1 2 4 19 37 38 43 74 76 86 148 172 703 817 1406 1591 1634 2812 3182 3268 6364 30229 60458 120916 681395744167 1362791488334 2725582976668 12946519139173 25211642534179 25893038278346 29300016999181 50423285068358 51786076556692 58600033998362 100846570136716 117200067996724 479021208149401 556700322984439 958042416298802 1084100628969697 1113400645968878 1916084832597604 2168201257939394 2226801291937756 4336402515878788 20597911950424243 41195823900848486 82391647801696972
• Sum of all divisors σ(n): 159501115794845440
• Sum of proper divisors (its aliquot sum) s(n): 77109467993148468
• 82391647801696972 is a deficient number, because the sum of its proper divisors (77109467993148468) is less than itself. Its deficiency is 5282179808548504

Bases of 82391647801696972

• Binary: 100100100101101101100010001100011101011011110001011001100₂
• Hexadecimal: 0x124B6C463ADE2CC
• Base-36: MJ9EGGZTO7G

Squares and roots of 82391647801696972

• 82391647801696972 squared (82391647801696972²) is 6788383627478877478703802913968784
• 82391647801696972 cubed (82391647801696972³) is 559306112978045772105805815881120701360798635322048
• The square root of 82391647801696972 is 287039453.3887231539
• The cube root of 82391647801696972 is 435138.7196665737

Scales and comparisons

• 82,391,647,801,696,972 seconds is equal to 2,619,799,545 years, 51 weeks, 4 days, 20 hours, 42 minutes, 52 seconds.
• To count from 1 to 82,391,647,801,696,972 would take you about seven billion, eight hundred fifty-nine million, three hundred ninety-eight thousand, six hundred thirty-seven 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 82391647801696972 cubic inches would be around 36261.6 feet tall.

Recreational maths with 82391647801696972

• 82391647801696972 backwards is 27969610874619328
• The number of decimal digits it has is: 17
• The sum of 82391647801696972's digits is 88
• More coming soon!