77198466138

Names of 77198466138

• Cardinal: 77198466138 can be written as Seventy-seven billion, one hundred ninety-eight million, four hundred sixty-six thousand, one hundred thirty-eight.

Scientific notation

• Scientific notation: 7.7198466138 × 10¹⁰

Factors of 77198466138

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 6
• Sum of prime factors: 9011

Divisors of 77198466138

• Number of divisors d(n): 64
• Complete list of divisors:
  1 2 3 6 41 43 82 86 123 129 246 258 911 1763 1822 2733 3526 5289 5466 8011 10578 16022 24033 37351 39173 48066 74702 78346 112053 117519 224106 235038 328451 344473 656902 688946 985353 1033419 1606093 1970706 2066838 3212186 4818279 7298021 9636558 14123393 14596042 21894063 28246786 42370179 43788126 84740358 299218861 313814903 598437722 627629806 897656583 941444709 1795313166 1882889418 12866411023 25732822046 38599233069 77198466138
• Sum of all divisors σ(n): 162038790144
• Sum of proper divisors (its aliquot sum) s(n): 84840324006
• 77198466138 is an abundant number, because the sum of its proper divisors (84840324006) is greater than itself. Its abundance is 7641857868

Bases of 77198466138

• Binary: 1000111111001011000110001110001011010₂
• Hexadecimal: 0x11F9631C5A
• Base-36: ZGPZ1P6

Squares and roots of 77198466138

• 77198466138 squared (77198466138²) is 5959603174059932635044
• 77198466138 cubed (77198466138³) is 460072223828583029509005346140072
• The square root of 77198466138 is 277846.1195302177
• The cube root of 77198466138 is 4257.9728748391

Scales and comparisons

• 77,198,466,138 seconds is equal to 2,454 years, 34 weeks, 6 days, 18 hours, 22 minutes, 18 seconds.
• To count from 1 to 77,198,466,138 would take you about four thousand, nine hundred nine 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 77198466138 cubic inches would be around 354.8 feet tall.

Recreational maths with 77198466138

• 77198466138 backwards is 83166489177
• The number of decimal digits it has is: 11
• The sum of 77198466138's digits is 60
• More coming soon!