80909131288

Names of 80909131288

• Cardinal: 80909131288 can be written as Eighty billion, nine hundred nine million, one hundred thirty-one thousand, two hundred eighty-eight.

Scientific notation

• Scientific notation: 8.0909131288 × 10¹⁰

Factors of 80909131288

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 438

Divisors of 80909131288

• Number of divisors d(n): 56
• Complete list of divisors:
  1 2 4 8 17 34 68 136 289 419 578 838 1156 1676 2312 3352 4913 7123 9826 14246 19652 28492 39304 56984 83521 121091 167042 242182 334084 484364 668168 968728 1419857 2058547 2839714 4117094 5679428 8234188 11358856 16468376 24137569 34995299 48275138 69990598 96550276 139981196 193100552 279962392 594920083 1189840166 2379680332 4759360664 10113641411 20227282822 40454565644 80909131288
• Sum of all divisors σ(n): 161570852100
• Sum of proper divisors (its aliquot sum) s(n): 80661720812
• 80909131288 is a deficient number, because the sum of its proper divisors (80661720812) is less than itself. Its deficiency is 247410476

Bases of 80909131288

• Binary: 1001011010110100011110101111000011000₂
• Hexadecimal: 0x12D68F5E18
• Base-36: 11637H94

Squares and roots of 80909131288

• 80909131288 squared (80909131288²) is 6546287525778820538944
• 80909131288 cubed (80909131288³) is 529654436872235275435211012879872
• The square root of 80909131288 is 284445.3045631093
• The cube root of 80909131288 is 4325.1301380957

Scales and comparisons

• 80,909,131,288 seconds is equal to 2,572 years, 34 weeks, 2 days, 6 hours, 41 minutes, 28 seconds.
• To count from 1 to 80,909,131,288 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 80909131288 cubic inches would be around 360.4 feet tall.

Recreational maths with 80909131288

• 80909131288 backwards is 88213190908
• The number of decimal digits it has is: 11
• The sum of 80909131288's digits is 49
• More coming soon!