231381430

Names of 231381430

• Cardinal: 231381430 can be written as Two hundred thirty-one million, three hundred eighty-one thousand, four hundred thirty.

Scientific notation

• Scientific notation: 2.3138143 × 10⁸

Factors of 231381430

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 919

Divisors of 231381430

• Number of divisors d(n): 96
• Complete list of divisors:
  1 2 5 7 10 14 19 29 35 38 49 58 70 95 98 133 145 190 203 245 266 290 406 490 551 665 857 931 1015 1102 1330 1421 1714 1862 2030 2755 2842 3857 4285 4655 5510 5999 7105 7714 8570 9310 11998 14210 16283 19285 24853 26999 29995 32566 38570 41993 49706 53998 59990 81415 83986 113981 124265 134995 162830 173971 209965 227962 248530 269990 347942 419930 472207 569905 797867 869855 944414 1139810 1217797 1595734 1739710 2361035 2435594 3305449 3989335 4722070 6088985 6610898 7978670 12177970 16527245 23138143 33054490 46276286 115690715 231381430
• Sum of all divisors σ(n): 528184800
• Sum of proper divisors (its aliquot sum) s(n): 296803370
• 231381430 is an abundant number, because the sum of its proper divisors (296803370) is greater than itself. Its abundance is 65421940

Bases of 231381430

• Binary: 1101110010101001100110110110₂
• Hexadecimal: 0xDCA99B6
• Base-36: 3TRB1Y

Squares and roots of 231381430

• 231381430 squared (231381430²) is 53537366148844900
• 231381430 cubed (231381430³) is 12387552337953325810207000
• The square root of 231381430 is 15211.2271036889
• The cube root of 231381430 is 613.9167747509

Scales and comparisons

• 231,381,430 seconds is equal to 7 years, 18 weeks, 4 days, 37 minutes, 10 seconds.
• To count from 1 to 231,381,430 would take you about eleven 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 231381430 cubic inches would be around 51.2 feet tall.

Recreational maths with 231381430

• 231381430 backwards is 034183132
• The number of decimal digits it has is: 9
• The sum of 231381430's digits is 25
• More coming soon!