72990977185403865

Names of 72990977185403865

• Cardinal: 72990977185403865 can be written as Seventy-two quadrillion, nine hundred ninety trillion, nine hundred seventy-seven billion, one hundred eighty-five million, four hundred three thousand, eight hundred sixty-five.

Scientific notation

• Scientific notation: 7.2990977185403865 × 10¹⁶

Factors of 72990977185403865

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 6
• Sum of prime factors: 4372026186675

Divisors of 72990977185403865

• Number of divisors d(n): 48
• Complete list of divisors:
  1 3 5 7 9 15 21 35 45 53 63 105 159 265 315 371 477 795 1113 1855 2385 3339 5565 16695 4372026186607 13116078559821 21860130933035 30604183306249 39348235679463 65580392799105 91812549918747 153020916531245 196741178397315 231717387890171 275437649756241 459062749593735 695152163670513 1158586939450855 1377188248781205 1622021715231197 2085456491011539 3475760818352565 4866065145693591 8110108576155985 10427282455057695 14598195437080773 24330325728467955 72990977185403865
• Sum of all divisors σ(n): 147319794383943168
• Sum of proper divisors (its aliquot sum) s(n): 74328817198539303
• 72990977185403865 is an abundant number, because the sum of its proper divisors (74328817198539303) is greater than itself. Its abundance is 1337840013135438

Bases of 72990977185403865

• Binary: 100000011010100001110100000110010111100011101001111011001₂
• Hexadecimal: 0x10350E832F1D3D9
• Base-36: JYP540D07O9

Squares and roots of 72990977185403865

• 72990977185403865 squared (72990977185403865²) is 5327682750480147526226803156938225
• 72990977185403865 cubed (72990977185403865³) is 388872770091366160476277443144243543286373481239625
• The square root of 72990977185403865 is 270168423.7386076639
• The cube root of 72990977185403865 is 417916.7000233105

Scales and comparisons

• 72,990,977,185,403,865 seconds is equal to 2,320,887,298 years, 30 weeks, 21 hours, 57 minutes, 45 seconds.
• To count from 1 to 72,990,977,185,403,865 would take you about six billion, nine hundred sixty-two million, six hundred sixty-one thousand, eight 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 72990977185403865 cubic inches would be around 34826.4 feet tall.

Recreational maths with 72990977185403865

• 72990977185403865 backwards is 56830458177909927
• The number of decimal digits it has is: 17
• The sum of 72990977185403865's digits is 90
• More coming soon!