31438922445

Names of 31438922445

• Cardinal: 31438922445 can be written as Thirty-one billion, four hundred thirty-eight million, nine hundred twenty-two thousand, four hundred forty-five.

Scientific notation

• Scientific notation: 3.1438922445 × 10¹⁰

Factors of 31438922445

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 238

Divisors of 31438922445

• Number of divisors d(n): 80
• Complete list of divisors:
  1 3 5 7 9 15 21 27 35 45 63 81 105 135 189 223 315 405 567 669 945 1115 1561 2007 2835 3345 4683 6021 7805 10035 14049 18063 23415 30105 42147 49729 70245 90315 126441 149187 210735 248645 348103 447561 632205 745935 1044309 1342683 1740515 2237805 3132927 4028049 5221545 6713415 9398781 11089567 15664635 20140245 28196343 33268701 46993905 55447835 77626969 99806103 140981715 166343505 232880907 299418309 388134845 499030515 698642721 898254927 1164404535 1497091545 2095928163 3493213605 4491274635 6287784489 10479640815 31438922445
• Sum of all divisors σ(n): 64698332160
• Sum of proper divisors (its aliquot sum) s(n): 33259409715
• 31438922445 is an abundant number, because the sum of its proper divisors (33259409715) is greater than itself. Its abundance is 1820487270

Bases of 31438922445

• Binary: 11101010001111001111110001011001101₂
• Hexadecimal: 0x751E7E2CD
• Base-36: EFXX7T9

Squares and roots of 31438922445

• 31438922445 squared (31438922445²) is 988405844502724778025
• 31438922445 cubed (31438922445³) is 31074414689505893887507815271125
• The square root of 31438922445 is 177310.2434858177
• The cube root of 31438922445 is 3156.1372728317

Scales and comparisons

• 31,438,922,445 seconds is equal to 999 years, 34 weeks, 2 days, 10 hours, 45 seconds.
• To count from 1 to 31,438,922,445 would take you about one thousand, nine hundred ninety-nine 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 31438922445 cubic inches would be around 263 feet tall.

Recreational maths with 31438922445

• 31438922445 backwards is 54422983413
• 31438922445 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 31438922445's digits is 45
• More coming soon!