31121193744

Names of 31121193744

• Cardinal: 31121193744 can be written as Thirty-one billion, one hundred twenty-one million, one hundred ninety-three thousand, seven hundred forty-four.

Scientific notation

• Scientific notation: 3.1121193744 × 10¹⁰

Factors of 31121193744

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 307

Divisors of 31121193744

• Number of divisors d(n): 135
• Complete list of divisors:
  1 2 3 4 6 8 9 12 16 18 24 36 48 61 72 122 144 183 241 244 366 482 488 549 723 732 964 976 1098 1446 1464 1928 2169 2196 2892 2928 3721 3856 4338 4392 5784 7442 8676 8784 11163 11568 14701 14884 17352 22326 29402 29768 33489 34704 44103 44652 58081 58804 59536 66978 88206 89304 116162 117608 132309 133956 174243 176412 178608 232324 235216 264618 267912 348486 352824 464648 522729 529236 535824 696972 705648 896761 929296 1045458 1058472 1393944 1793522 2090916 2116944 2690283 2787888 3542941 3587044 4181832 5380566 7085882 7174088 8070849 8363664 10628823 10761132 14171764 14348176 16141698 21257646 21522264 28343528 31886469 32283396 42515292 43044528 56687056 63772938 64566792 85030584 127545876 129133584 170061168 216119401 255091752 432238802 510183504 648358203 864477604 1296716406 1728955208 1945074609 2593432812 3457910416 3890149218 5186865624 7780298436 10373731248 15560596872 31121193744
• Sum of all divisors σ(n): 88916271327
• Sum of proper divisors (its aliquot sum) s(n): 57795077583
• 31121193744 is an abundant number, because the sum of its proper divisors (57795077583) is greater than itself. Its abundance is 26673883839

Bases of 31121193744

• Binary: 11100111110111101111011101100010000₂
• Hexadecimal: 0x73EF7BB10
• Base-36: EAOR6S0

Squares and roots of 31121193744

• 31121193744 squared (31121193744²) is 968528700051584737536
• 31121193744 cubed (31121193744³) is 30141769320929831411091245174784
• 31121193744 is a perfect square number. Its square root is 176412
• The cube root of 31121193744 is 3145.4690462029

Scales and comparisons

• 31,121,193,744 seconds is equal to 989 years, 29 weeks, 2 minutes, 24 seconds.
• To count from 1 to 31,121,193,744 would take you about one thousand, nine hundred seventy-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 31121193744 cubic inches would be around 262.1 feet tall.

Recreational maths with 31121193744

• 31121193744 backwards is 44739112113
• 31121193744 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 31121193744's digits is 36
• More coming soon!