72856283982376640

Names of 72856283982376640

• Cardinal: 72856283982376640 can be written as Seventy-two quadrillion, eight hundred fifty-six trillion, two hundred eighty-three billion, nine hundred eighty-two million, three hundred seventy-six thousand, six hundred forty.

Scientific notation

• Scientific notation: 7.285628398237664 × 10¹⁶

Factors of 72856283982376640

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 227675887444934

Divisors of 72856283982376640

• Number of divisors d(n): 28
• Complete list of divisors:
  1 2 4 5 8 10 16 20 32 40 64 80 160 320 227675887444927 455351774889854 910703549779708 1138379437224635 1821407099559416 2276758874449270 3642814199118832 4553517748898540 7285628398237664 9107035497797080 14571256796475328 18214070995594160 36428141991188320 72856283982376640
• Sum of all divisors σ(n): 173489026233035136
• Sum of proper divisors (its aliquot sum) s(n): 100632742250658496
• 72856283982376640 is an abundant number, because the sum of its proper divisors (100632742250658496) is greater than itself. Its abundance is 27776458268281856

Bases of 72856283982376640

• Binary: 100000010110101100110011101111110011011001010111011000000₂
• Hexadecimal: 0x102D6677E6CAEC0
• Base-36: JXDEAT1LK8W

Squares and roots of 72856283982376640

• 72856283982376640 squared (72856283982376640²) is 5308038115720710957922102817689600
• 72856283982376640 cubed (72856283982376640³) is 386723932348227515625217024095387651533241810944000
• The square root of 72856283982376640 is 269919032.2714881105
• The cube root of 72856283982376640 is 417659.4755383711

Scales and comparisons

• 72,856,283,982,376,640 seconds is equal to 2,316,604,471 years, 18 weeks, 3 days, 19 hours, 17 minutes, 20 seconds.
• To count from 1 to 72,856,283,982,376,640 would take you about six billion, nine hundred forty-nine million, eight hundred thirteen thousand, four hundred fourteen 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 72856283982376640 cubic inches would be around 34805 feet tall.

Recreational maths with 72856283982376640

• 72856283982376640 backwards is 04667328938265827
• The number of decimal digits it has is: 17
• The sum of 72856283982376640's digits is 86
• More coming soon!