31890387952

Names of 31890387952

• Cardinal: 31890387952 can be written as Thirty-one billion, eight hundred ninety million, three hundred eighty-seven thousand, nine hundred fifty-two.

Scientific notation

• Scientific notation: 3.1890387952 × 10¹⁰

Factors of 31890387952

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 1376

Divisors of 31890387952

• Number of divisors d(n): 80
• Complete list of divisors:
  1 2 4 8 16 31 62 124 223 248 401 446 496 719 802 892 1438 1604 1784 2876 3208 3568 5752 6416 6913 11504 12431 13826 22289 24862 27652 44578 49724 55304 89156 89423 99448 110608 160337 178312 178846 198896 288319 320674 356624 357692 576638 641348 715384 1153276 1282696 1430768 2306552 2565392 2772113 4613104 4970447 5544226 8937889 9940894 11088452 17875778 19881788 22176904 35751556 39763576 44353808 64295137 71503112 79527152 128590274 143006224 257180548 514361096 1028722192 1993149247 3986298494 7972596988 15945193976 31890387952
• Sum of all divisors σ(n): 64315883520
• Sum of proper divisors (its aliquot sum) s(n): 32425495568
• 31890387952 is an abundant number, because the sum of its proper divisors (32425495568) is greater than itself. Its abundance is 535107616

Bases of 31890387952

• Binary: 11101101100110100001011001111110000₂
• Hexadecimal: 0x76CD0B3F0
• Base-36: ENEPOTS

Squares and roots of 31890387952

• 31890387952 squared (31890387952²) is 1016996843729066754304
• 31890387952 cubed (31890387952³) is 32432423892479457173660025745408
• The square root of 31890387952 is 178578.8003991515
• The cube root of 31890387952 is 3171.1729929133

Scales and comparisons

• 31,890,387,952 seconds is equal to 1,014 years, 5 days, 17 hours, 5 minutes, 52 seconds.
• To count from 1 to 31,890,387,952 would take you about two thousand and twenty-eight 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 31890387952 cubic inches would be around 264.3 feet tall.

Recreational maths with 31890387952

• 31890387952 backwards is 25978309813
• The number of decimal digits it has is: 11
• The sum of 31890387952's digits is 55
• More coming soon!