81836918733376

Names of 81836918733376

• Cardinal: 81836918733376 can be written as Eighty-one trillion, eight hundred thirty-six billion, nine hundred eighteen million, seven hundred thirty-three thousand, three hundred seventy-six.

Scientific notation

• Scientific notation: 8.1836918733376 × 10¹³

Factors of 81836918733376

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 39024

Divisors of 81836918733376

• Number of divisors d(n): 63
• Complete list of divisors:
  1 2 4 8 16 29 32 58 64 116 232 464 841 928 1682 1856 3364 6728 13456 26912 38993 53824 77986 155972 311944 623888 1130797 1247776 2261594 2495552 4523188 9046376 18092752 32793113 36185504 65586226 72371008 131172452 262344904 524689808 1049379616 1520454049 2098759232 3040908098 6081816196 12163632392 24327264784 44093167421 48654529568 88186334842 97309059136 176372669684 352745339368 705490678736 1278701855209 1410981357472 2557403710418 2821962714944 5114807420836 10229614841672 20459229683344 40918459366688 81836918733376
• Sum of all divisors σ(n): 168192378937531
• Sum of proper divisors (its aliquot sum) s(n): 86355460204155
• 81836918733376 is an abundant number, because the sum of its proper divisors (86355460204155) is greater than itself. Its abundance is 4518541470779

Bases of 81836918733376

• Binary: 10010100110111000100100011110000111101001000000₂
• Hexadecimal: 0x4A6E24787A40
• Base-36: T0BD0G3LS

Squares and roots of 81836918733376

• 81836918733376 squared (81836918733376²) is 6697281267773187688176357376
• 81836918733376 cubed (81836918733376³) is 548084862845315750470327422122431434981376
• 81836918733376 is a perfect square number. Its square root is 9046376
• The cube root of 81836918733376 is 43415.9947864331

Scales and comparisons

• 81,836,918,733,376 seconds is equal to 2,602,160 years, 45 weeks, 4 days, 9 hours, 56 minutes, 16 seconds.
• To count from 1 to 81,836,918,733,376 would take you about six million, five hundred five thousand, four hundred two 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 81836918733376 cubic inches would be around 3618 feet tall.

Recreational maths with 81836918733376

• 81836918733376 backwards is 67333781963818
• The number of decimal digits it has is: 14
• The sum of 81836918733376's digits is 73
• More coming soon!