31942868172

Names of 31942868172

• Cardinal: 31942868172 can be written as Thirty-one billion, nine hundred forty-two million, eight hundred sixty-eight thousand, one hundred seventy-two.

Scientific notation

• Scientific notation: 3.1942868172 × 10¹⁰

Factors of 31942868172

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 6
• Sum of prime factors: 222684

Divisors of 31942868172

• Number of divisors d(n): 48
• Complete list of divisors:
  1 2 3 4 6 12 19 38 57 76 114 228 631 1262 1893 2524 3786 7572 11989 23978 35967 47956 71934 143868 222029 444058 666087 888116 1332174 2664348 4218551 8437102 12655653 16874204 25311306 50622612 140100299 280200598 420300897 560401196 840601794 1681203588 2661905681 5323811362 7985717043 10647622724 15971434086 31942868172
• Sum of all divisors σ(n): 78580857600
• Sum of proper divisors (its aliquot sum) s(n): 46637989428
• 31942868172 is an abundant number, because the sum of its proper divisors (46637989428) is greater than itself. Its abundance is 14695121256

Bases of 31942868172

• Binary: 11101101111111100010111110011001100₂
• Hexadecimal: 0x76FF17CCC
• Base-36: EO9YITO

Squares and roots of 31942868172

• 31942868172 squared (31942868172²) is 1020346827053770621584
• 31942868172 cubed (31942868172³) is 32592804186297078120784209824448
• The square root of 31942868172 is 178725.6785467605
• The cube root of 31942868172 is 3172.9115799811

Scales and comparisons

• 31,942,868,172 seconds is equal to 1,015 years, 35 weeks, 4 days, 2 hours, 56 minutes, 12 seconds.
• To count from 1 to 31,942,868,172 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 31942868172 cubic inches would be around 264.4 feet tall.

Recreational maths with 31942868172

• 31942868172 backwards is 27186824913
• The number of decimal digits it has is: 11
• The sum of 31942868172's digits is 51
• More coming soon!