80916915840

Names of 80916915840

• Cardinal: 80916915840 can be written as Eighty billion, nine hundred sixteen million, nine hundred fifteen thousand, eight hundred forty.

Scientific notation

• Scientific notation: 8.091691584 × 10¹⁰

Factors of 80916915840

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 42144237

Divisors of 80916915840

• Number of divisors d(n): 64
• Complete list of divisors:
  1 2 3 4 5 6 8 10 12 15 16 20 24 30 32 40 48 60 64 80 96 120 128 160 192 240 320 384 480 640 960 1920 42144227 84288454 126432681 168576908 210721135 252865362 337153816 421442270 505730724 632163405 674307632 842884540 1011461448 1264326810 1348615264 1685769080 2022922896 2528653620 2697230528 3371538160 4045845792 5057307240 5394461056 6743076320 8091691584 10114614480 13486152640 16183383168 20229228960 26972305280 40458457920 80916915840
• Sum of all divisors σ(n): 257922675360
• Sum of proper divisors (its aliquot sum) s(n): 177005759520
• 80916915840 is an abundant number, because the sum of its proper divisors (177005759520) is greater than itself. Its abundance is 96088843680

Bases of 80916915840

• Binary: 1001011010111000001100010011010000000₂
• Hexadecimal: 0x12D7062680
• Base-36: 1167UBUO

Squares and roots of 80916915840

• 80916915840 squared (80916915840²) is 6547547269057642905600
• 80916915840 cubed (80916915840³) is 529807331328759127101208264704000
• The square root of 80916915840 is 284458.9879754197
• The cube root of 80916915840 is 4325.2688456399

Scales and comparisons

• 80,916,915,840 seconds is equal to 2,572 years, 47 weeks, 1 day, 9 hours, 4 minutes.
• To count from 1 to 80,916,915,840 would take you about five thousand, one hundred forty-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 80916915840 cubic inches would be around 360.4 feet tall.

Recreational maths with 80916915840

• 80916915840 backwards is 04851961908
• The number of decimal digits it has is: 11
• The sum of 80916915840's digits is 51
• More coming soon!