51387449343

Names of 51387449343

• Cardinal: 51387449343 can be written as Fifty-one billion, three hundred eighty-seven million, four hundred forty-nine thousand, three hundred forty-three.

Scientific notation

• Scientific notation: 5.1387449343 × 10¹⁰

Factors of 51387449343

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 6
• Sum of prime factors: 1128

Divisors of 51387449343

• Number of divisors d(n): 64
• Complete list of divisors:
  1 3 19 41 57 97 123 291 397 571 779 1191 1713 1843 2337 3977 5529 7543 10849 11931 16277 22629 23411 32547 38509 48831 55387 70233 75563 115527 166161 226687 226689 309263 444809 680061 731671 927789 1052353 1334427 1578869 2195013 2270867 3157059 4307053 4736607 6812601 9294167 12921159 21988639 27882501 29998511 43146473 65965917 89995533 129439419 176589173 417784141 529767519 901534199 1253352423 2704602597 17129149781 51387449343
• Sum of all divisors σ(n): 74962567680
• Sum of proper divisors (its aliquot sum) s(n): 23575118337
• 51387449343 is a deficient number, because the sum of its proper divisors (23575118337) is less than itself. Its deficiency is 27812331006

Bases of 51387449343

• Binary: 101111110110111011100011111111111111₂
• Hexadecimal: 0xBF6EE3FFF
• Base-36: NLURDOF

Squares and roots of 51387449343

• 51387449343 squared (51387449343²) is 2640669949979391131649
• 51387449343 cubed (51387449343³) is 135697293286148305671596431556607
• The square root of 51387449343 is 226687.9999977945
• The cube root of 51387449343 is 3717.7971248607

Scales and comparisons

• 51,387,449,343 seconds is equal to 1,633 years, 50 weeks, 3 hours, 29 minutes, 3 seconds.
• To count from 1 to 51,387,449,343 would take you about three thousand, two hundred sixty-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 51387449343 cubic inches would be around 309.8 feet tall.

Recreational maths with 51387449343

• 51387449343 backwards is 34394478315
• The number of decimal digits it has is: 11
• The sum of 51387449343's digits is 51
• More coming soon!