31474384816

Names of 31474384816

• Cardinal: 31474384816 can be written as Thirty-one billion, four hundred seventy-four million, three hundred eighty-four thousand, eight hundred sixteen.

Scientific notation

• Scientific notation: 3.1474384816 × 10¹⁰

Factors of 31474384816

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 149

Divisors of 31474384816

• Number of divisors d(n): 120
• Complete list of divisors:
  1 2 4 7 8 14 16 28 31 49 56 62 98 109 112 124 196 217 218 248 392 434 436 496 763 784 868 872 1519 1526 1736 1744 3038 3052 3379 3472 5341 6076 6104 6758 10682 11881 12152 12208 13516 21364 23653 23762 24304 27032 42728 47306 47524 54064 83167 85456 94612 95048 165571 166334 189224 190096 331142 332668 368311 378448 582169 662284 665336 736622 1164338 1295029 1324568 1330672 1473244 2328676 2578177 2590058 2649136 2946488 4657352 5156354 5180116 5892976 9065203 9314704 10312708 10360232 18047239 18130406 20625416 20720464 36094478 36260812 40145899 41250832 63456421 72188956 72521624 80291798 126912842 144377912 145043248 160583596 253825684 281021293 288755824 321167192 507651368 562042586 642334384 1015302736 1124085172 1967149051 2248170344 3934298102 4496340688 7868596204 15737192408 31474384816
• Sum of all divisors σ(n): 73904138880
• Sum of proper divisors (its aliquot sum) s(n): 42429754064
• 31474384816 is an abundant number, because the sum of its proper divisors (42429754064) is greater than itself. Its abundance is 10955369248

Bases of 31474384816

• Binary: 11101010100000001001111111110110000₂
• Hexadecimal: 0x75404FFB0
• Base-36: EGJ1AR4

Squares and roots of 31474384816

• 31474384816 squared (31474384816²) is 990636899545651353856
• 31474384816 cubed (31474384816³) is 31179686989228966270635129450496
• The square root of 31474384816 is 177410.2162109049
• The cube root of 31474384816 is 3157.3235099963

Scales and comparisons

• 31,474,384,816 seconds is equal to 1,000 years, 40 weeks, 6 days, 20 hours, 40 minutes, 16 seconds.
• To count from 1 to 31,474,384,816 would take you about two thousand and one 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 31474384816 cubic inches would be around 263.1 feet tall.

Recreational maths with 31474384816

• 31474384816 backwards is 61848347413
• 31474384816 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 31474384816's digits is 49
• More coming soon!