31450868488

Names of 31450868488

• Cardinal: 31450868488 can be written as Thirty-one billion, four hundred fifty million, eight hundred sixty-eight thousand, four hundred eighty-eight.

Scientific notation

• Scientific notation: 3.1450868488 × 10¹⁰

Factors of 31450868488

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 21058

Divisors of 31450868488

• Number of divisors d(n): 64
• Complete list of divisors:
  1 2 4 8 13 26 52 61 104 122 239 244 478 488 793 956 1586 1912 3107 3172 6214 6344 12428 14579 20743 24856 29158 41486 58316 82972 116632 165944 189527 269659 379054 539318 758108 1078636 1265323 1516216 2157272 2530646 4957577 5061292 9915154 10122584 16449199 19830308 32898398 39660616 64448501 65796796 128897002 131593592 257794004 302412197 515588008 604824394 1209648788 2419297576 3931358561 7862717122 15725434244 31450868488
• Sum of all divisors σ(n): 64820851200
• Sum of proper divisors (its aliquot sum) s(n): 33369982712
• 31450868488 is an abundant number, because the sum of its proper divisors (33369982712) is greater than itself. Its abundance is 1919114224

Bases of 31450868488

• Binary: 11101010010100111100010101100001000₂
• Hexadecimal: 0x7529E2B08
• Base-36: EG519FS

Squares and roots of 31450868488

• 31450868488 squared (31450868488²) is 989157128649471406144
• 31450868488 cubed (31450868488³) is 31109850767122222245351379190272
• The square root of 31450868488 is 177343.9271246693
• The cube root of 31450868488 is 3156.5369745835

Scales and comparisons

• 31,450,868,488 seconds is equal to 1,000 years, 2 weeks, 16 hours, 21 minutes, 28 seconds.
• To count from 1 to 31,450,868,488 would take you about two thousand 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 31450868488 cubic inches would be around 263 feet tall.

Recreational maths with 31450868488

• 31450868488 backwards is 88486805413
• The number of decimal digits it has is: 11
• The sum of 31450868488's digits is 55
• More coming soon!