31945133172

Names of 31945133172

• Cardinal: 31945133172 can be written as Thirty-one billion, nine hundred forty-five million, one hundred thirty-three thousand, one hundred seventy-two.

Scientific notation

• Scientific notation: 3.1945133172 × 10¹⁰

Factors of 31945133172

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 1395

Divisors of 31945133172

• Number of divisors d(n): 96
• Complete list of divisors:
  1 2 3 4 6 12 73 103 146 206 219 292 309 412 438 487 618 727 876 974 1236 1454 1461 1948 2181 2908 2922 4362 5844 7519 8724 15038 22557 30076 35551 45114 50161 53071 71102 74881 90228 100322 106142 106653 142204 149762 150483 159213 200644 212284 213306 224643 299524 300966 318426 354049 426612 449286 601932 636852 708098 898572 1062147 1416196 2124294 3661753 4248588 5466313 7323506 10932626 10985259 14647012 16398939 21865252 21970518 25845577 32797878 36467047 43941036 51691154 65595756 72934094 77536731 103382308 109401141 145868188 155073462 218802282 310146924 437604564 2662094431 5324188862 7986283293 10648377724 15972566586 31945133172
• Sum of all divisors σ(n): 76555128832
• Sum of proper divisors (its aliquot sum) s(n): 44609995660
• 31945133172 is an abundant number, because the sum of its proper divisors (44609995660) is greater than itself. Its abundance is 12664862488

Bases of 31945133172

• Binary: 11101110000000101000000110001110100₂
• Hexadecimal: 0x770140C74
• Base-36: EOBB2IC

Squares and roots of 31945133172

• 31945133172 squared (31945133172²) is 1020491533376814781584
• 31945133172 cubed (31945133172³) is 32599737934620831054878973104448
• The square root of 31945133172 is 178732.0149609465
• The cube root of 31945133172 is 3172.9865729845

Scales and comparisons

• 31,945,133,172 seconds is equal to 1,015 years, 39 weeks, 2 days, 8 hours, 6 minutes, 12 seconds.
• To count from 1 to 31,945,133,172 would take you about two thousand and thirty-one 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 31945133172 cubic inches would be around 264.4 feet tall.

Recreational maths with 31945133172

• 31945133172 backwards is 27133154913
• The number of decimal digits it has is: 11
• The sum of 31945133172's digits is 39
• More coming soon!