31942369745

Names of 31942369745

• Cardinal: 31942369745 can be written as Thirty-one billion, nine hundred forty-two million, three hundred sixty-nine thousand, seven hundred forty-five.

Scientific notation

• Scientific notation: 3.1942369745 × 10¹⁰

Factors of 31942369745

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 13961

Divisors of 31942369745

• Number of divisors d(n): 64
• Complete list of divisors:
  1 5 11 13 19 55 65 95 143 169 209 247 715 845 1045 1235 1859 2197 2717 3211 9295 10985 13585 13913 16055 24167 35321 41743 69565 120835 153043 176605 180869 208715 264347 459173 765215 904345 1321735 1989559 2295865 2351297 2907817 3436511 9947795 11756485 14539085 17182555 25864267 30566861 37801621 44674643 129321335 152834305 189008105 223373215 336235471 491421073 580770359 1681177355 2457105365 2903851795 6388473949 31942369745
• Sum of all divisors σ(n): 47686060800
• Sum of proper divisors (its aliquot sum) s(n): 15743691055
• 31942369745 is a deficient number, because the sum of its proper divisors (15743691055) is less than itself. Its deficiency is 16198678690

Bases of 31942369745

• Binary: 11101101111111010011110000111010001₂
• Hexadecimal: 0x76FE9E1D1
• Base-36: EO9NU8H

Squares and roots of 31942369745

• 31942369745 squared (31942369745²) is 1020314984926291365025
• 31942369745 cubed (31942369745³) is 32591278504879700353229311168625
• The square root of 31942369745 is 178724.2841501959
• The cube root of 31942369745 is 3172.8950768395

Scales and comparisons

• 31,942,369,745 seconds is equal to 1,015 years, 34 weeks, 5 days, 8 hours, 29 minutes, 5 seconds.
• To count from 1 to 31,942,369,745 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 31942369745 cubic inches would be around 264.4 feet tall.

Recreational maths with 31942369745

• 31942369745 backwards is 54796324913
• The number of decimal digits it has is: 11
• The sum of 31942369745's digits is 53
• More coming soon!