31988736122291145

Names of 31988736122291145

• Cardinal: 31988736122291145 can be written as Thirty-one quadrillion, nine hundred eighty-eight trillion, seven hundred thirty-six billion, one hundred twenty-two million, two hundred ninety-one thousand, one hundred forty-five.

Scientific notation

• Scientific notation: 3.1988736122291145 × 10¹⁶

Factors of 31988736122291145

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 6
• Sum of prime factors: 227039541091

Divisors of 31988736122291145

• Number of divisors d(n): 48
• Complete list of divisors:
  1 3 5 9 15 31 45 93 101 155 279 303 465 505 909 1395 1515 3131 4545 9393 15655 28179 46965 140895 227039540951 681118622853 1135197704755 2043355868559 3405593114265 7038225769481 10216779342795 21114677308443 22930993636051 35191128847405 63344031925329 68792980908153 105573386542215 114654968180255 206378942724459 316720159626645 343964904540765 710860802717581 1031894713622295 2132582408152743 3554304013587905 6397747224458229 10662912040763715 31988736122291145
• Sum of all divisors σ(n): 57802450810051584
• Sum of proper divisors (its aliquot sum) s(n): 25813714687760439
• 31988736122291145 is a deficient number, because the sum of its proper divisors (25813714687760439) is less than itself. Its deficiency is 6175021434530706

Bases of 31988736122291145

• Binary: 1110001101001011001011000000101011000100000001111001001₂
• Hexadecimal: 0x71A596056203C9
• Base-36: 8QZ26I2IR49

Squares and roots of 31988736122291145

• 31988736122291145 squared (31988736122291145²) is 1023279238701574320040564145411025
• 31988736122291145 cubed (31988736122291145³) is 32733409546243633463700952638975926002660742873625
• The square root of 31988736122291145 is 178853951.9336688993
• The cube root of 31988736122291145 is 317442.9554151689

Scales and comparisons

• 31,988,736,122,291,145 seconds is equal to 1,017,142,861 years, 1 week, 4 days, 9 hours, 45 minutes, 45 seconds.
• To count from 1 to 31,988,736,122,291,145 would take you about three billion, fifty-one million, four hundred twenty-eight thousand, five hundred eighty-three 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 31988736122291145 cubic inches would be around 26453.6 feet tall.

Recreational maths with 31988736122291145

• 31988736122291145 backwards is 54119222163788913
• The number of decimal digits it has is: 17
• The sum of 31988736122291145's digits is 72
• More coming soon!