31386898960

Names of 31386898960

• Cardinal: 31386898960 can be written as Thirty-one billion, three hundred eighty-six million, eight hundred ninety-eight thousand, nine hundred sixty.

Scientific notation

• Scientific notation: 3.138689896 × 10¹⁰

Factors of 31386898960

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 5270

Divisors of 31386898960

• Number of divisors d(n): 80
• Complete list of divisors:
  1 2 4 5 8 10 16 20 40 73 80 146 292 365 584 730 1168 1429 1460 2858 2920 3761 5716 5840 7145 7522 11432 14290 15044 18805 22864 28580 30088 37610 57160 60176 75220 104317 114320 150440 208634 274553 300880 417268 521585 549106 834536 1043170 1098212 1372765 1669072 2086340 2196424 2745530 4172680 4392848 5374469 5491060 8345360 10748938 10982120 21497876 21964240 26872345 42995752 53744690 85991504 107489380 214978760 392336237 429957520 784672474 1569344948 1961681185 3138689896 3923362370 6277379792 7846724740 15693449480 31386898960
• Sum of all divisors σ(n): 74045640240
• Sum of proper divisors (its aliquot sum) s(n): 42658741280
• 31386898960 is an abundant number, because the sum of its proper divisors (42658741280) is greater than itself. Its abundance is 11271842320

Bases of 31386898960

• Binary: 11101001110110011100001001000010000₂
• Hexadecimal: 0x74ECE1210
• Base-36: EF2Y68G

Squares and roots of 31386898960

• 31386898960 squared (31386898960²) is 985137426325249081600
• 31386898960 cubed (31386898960³) is 30920408861785037021011995136000
• The square root of 31386898960 is 177163.4808870045
• The cube root of 31386898960 is 3154.3954414035

Scales and comparisons

• 31,386,898,960 seconds is equal to 998 years, 2 days, 7 hours, 2 minutes, 40 seconds.
• To count from 1 to 31,386,898,960 would take you about one thousand, nine hundred ninety-six 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 31386898960 cubic inches would be around 262.9 feet tall.

Recreational maths with 31386898960

• 31386898960 backwards is 06989868313
• The number of decimal digits it has is: 11
• The sum of 31386898960's digits is 61
• More coming soon!