31282918016029729

Names of 31282918016029729

• Cardinal: 31282918016029729 can be written as Thirty-one quadrillion, two hundred eighty-two trillion, nine hundred eighteen billion, sixteen million, twenty-nine thousand, seven hundred twenty-nine.

Scientific notation

• Scientific notation: 3.1282918016029729 × 10¹⁶

Factors of 31282918016029729

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 15079

Divisors of 31282918016029729

• Number of divisors d(n): 45
• Complete list of divisors:
  1 7 41 49 287 1681 2009 11767 15031 68921 82369 105217 482447 616271 736519 2825761 3377129 4313897 19780327 25267111 30197279 138462289 176869777 225930961 1035951551 1238088439 1581516727 7251660857 9263169401 11070617089 42474013591 50761625999 64842185807 297318095137 379789945441 453895300649 2081226665959 2658529618087 15571387763081 18609707326609 108999714341567 638426898286321 762998000390969 4468988288004247 31282918016029729
• Sum of all divisors σ(n): 37302572919744405
• Sum of proper divisors (its aliquot sum) s(n): 6019654903714676
• 31282918016029729 is a deficient number, because the sum of its proper divisors (6019654903714676) is less than itself. Its deficiency is 25263263112315053

Bases of 31282918016029729

• Binary: 1101111001000111010010111101111111000100001010000100001₂
• Hexadecimal: 0x6F23A5EFE21421
• Base-36: 8K0VA51QIAP

Squares and roots of 31282918016029729

• 31282918016029729 squared (31282918016029729²) is 978620959597637395995396211813441
• 31282918016029729 cubed (31282918016029729³) is 30614119247861232428727584569742392623834057787489
• 31282918016029729 is a perfect square number. Its square root is 176869777
• The cube root of 31282918016029729 is 315090.8212662999

Scales and comparisons

• 31,282,918,016,029,729 seconds is equal to 994,700,028 years, 25 weeks, 3 days, 17 hours, 8 minutes, 49 seconds.
• To count from 1 to 31,282,918,016,029,729 would take you about two billion, nine hundred eighty-four million, one hundred thousand and eighty-five 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 31282918016029729 cubic inches would be around 26257.6 feet tall.

Recreational maths with 31282918016029729

• 31282918016029729 backwards is 92792061081928213
• The number of decimal digits it has is: 17
• The sum of 31282918016029729's digits is 70
• More coming soon!