51305502640

Names of 51305502640

• Cardinal: 51305502640 can be written as Fifty-one billion, three hundred five million, five hundred two thousand, six hundred forty.

Scientific notation

• Scientific notation: 5.130550264 × 10¹⁰

Factors of 51305502640

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 668888

Divisors of 51305502640

• Number of divisors d(n): 80
• Complete list of divisors:
  1 2 4 5 7 8 10 14 16 20 28 35 40 56 70 80 112 137 140 274 280 548 560 685 959 1096 1370 1918 2192 2740 3836 4795 5480 7672 9590 10960 15344 19180 38360 76720 668737 1337474 2674948 3343685 4681159 5349896 6687370 9362318 10699792 13374740 18724636 23405795 26749480 37449272 46811590 53498960 74898544 91616969 93623180 183233938 187246360 366467876 374492720 458084845 641318783 732935752 916169690 1282637566 1465871504 1832339380 2565275132 3206593915 3664678760 5130550264 6413187830 7329357520 10261100528 12826375660 25652751320 51305502640
• Sum of all divisors σ(n): 137321335872
• Sum of proper divisors (its aliquot sum) s(n): 86015833232
• 51305502640 is an abundant number, because the sum of its proper divisors (86015833232) is greater than itself. Its abundance is 34710330592

Bases of 51305502640

• Binary: 101111110010000010111101011110110000₂
• Hexadecimal: 0xBF20BD7B0
• Base-36: NKHYZ74

Squares and roots of 51305502640

• 51305502640 squared (51305502640²) is 2632254601143046969600
• 51305502640 cubed (51305502640³) is 135049145388096743316456799744000
• The square root of 51305502640 is 226507.1801069449
• The cube root of 51305502640 is 3715.8198372131

Scales and comparisons

• 51,305,502,640 seconds is equal to 1,631 years, 18 weeks, 3 days, 16 hours, 30 minutes, 40 seconds.
• To count from 1 to 51,305,502,640 would take you about three thousand, two hundred sixty-two 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 51305502640 cubic inches would be around 309.7 feet tall.

Recreational maths with 51305502640

• 51305502640 backwards is 04620550315
• The number of decimal digits it has is: 11
• The sum of 51305502640's digits is 31
• More coming soon!