51231187728

Names of 51231187728

• Cardinal: 51231187728 can be written as Fifty-one billion, two hundred thirty-one million, one hundred eighty-seven thousand, seven hundred twenty-eight.

Scientific notation

• Scientific notation: 5.1231187728 × 10¹⁰

Factors of 51231187728

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 189220

Divisors of 51231187728

• Number of divisors d(n): 120
• Complete list of divisors:
  1 2 3 4 6 7 8 9 12 14 16 18 21 24 28 36 42 48 56 63 72 84 112 126 144 168 252 269 336 504 538 807 1008 1076 1614 1883 2152 2421 3228 3766 4304 4842 5649 6456 7532 9684 11298 12912 15064 16947 19368 22596 30128 33894 38736 45192 67788 90384 135576 188939 271152 377878 566817 755756 1133634 1322573 1511512 1700451 2267268 2645146 3023024 3400902 3967719 4534536 5290292 6801804 7935438 9069072 10580584 11903157 13603608 15870876 21161168 23806314 27207216 31741752 47612628 50824591 63483504 95225256 101649182 152473773 190450512 203298364 304947546 355772137 406596728 457421319 609895092 711544274 813193456 914842638 1067316411 1219790184 1423088548 1829685276 2134632822 2439580368 2846177096 3201949233 3659370552 4269265644 5692354192 6403898466 7318741104 8538531288 12807796932 17077062576 25615593864 51231187728
• Sum of all divisors σ(n): 164468491200
• Sum of proper divisors (its aliquot sum) s(n): 113237303472
• 51231187728 is an abundant number, because the sum of its proper divisors (113237303472) is greater than itself. Its abundance is 62006115744

Bases of 51231187728

• Binary: 101111101101100111011110001100010000₂
• Hexadecimal: 0xBED9DE310
• Base-36: NJ9Q5G0

Squares and roots of 51231187728

• 51231187728 squared (51231187728²) is 2624634596021577801984
• 51231187728 cubed (51231187728³) is 134463147706184894312199914852352
• The square root of 51231187728 is 226343.0752817501
• The cube root of 51231187728 is 3714.0248753643

Scales and comparisons

• 51,231,187,728 seconds is equal to 1,628 years, 51 weeks, 4 days, 13 hours, 28 minutes, 48 seconds.
• To count from 1 to 51,231,187,728 would take you about three thousand, two hundred fifty-seven 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 51231187728 cubic inches would be around 309.5 feet tall.

Recreational maths with 51231187728

• 51231187728 backwards is 82778113215
• The number of decimal digits it has is: 11
• The sum of 51231187728's digits is 45
• More coming soon!