51021436872

Names of 51021436872

• Cardinal: 51021436872 can be written as Fifty-one billion, twenty-one million, four hundred thirty-six thousand, eight hundred seventy-two.

Scientific notation

• Scientific notation: 5.1021436872 × 10¹⁰

Factors of 51021436872

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 249558

Divisors of 51021436872

• Number of divisors d(n): 64
• Complete list of divisors:
  1 2 3 4 6 7 8 12 14 21 24 28 42 56 84 168 1223 2446 3669 4892 7338 8561 9784 14676 17122 25683 29352 34244 51366 68488 102732 205464 248323 496646 744969 993292 1489938 1738261 1986584 2979876 3476522 5214783 5959752 6953044 10429566 13906088 20859132 41718264 303699029 607398058 911097087 1214796116 1822194174 2125893203 2429592232 3644388348 4251786406 6377679609 7288776696 8503572812 12755359218 17007145624 25510718436 51021436872
• Sum of all divisors σ(n): 145895316480
• Sum of proper divisors (its aliquot sum) s(n): 94873879608
• 51021436872 is an abundant number, because the sum of its proper divisors (94873879608) is greater than itself. Its abundance is 43852442736

Bases of 51021436872

• Binary: 101111100001000111010101011111001000₂
• Hexadecimal: 0xBE11D57C8
• Base-36: NFSUGNC

Squares and roots of 51021436872

• 51021436872 squared (51021436872²) is 2603187020483481144384
• 51021436872 cubed (51021436872³) is 132818342231607704126990573326848
• The square root of 51021436872 is 225879.2528586899
• The cube root of 51021436872 is 3708.9492855963

Scales and comparisons

• 51,021,436,872 seconds is equal to 1,622 years, 16 weeks, 5 days, 21 hours, 21 minutes, 12 seconds.
• To count from 1 to 51,021,436,872 would take you about three thousand, two hundred forty-four 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 51021436872 cubic inches would be around 309.1 feet tall.

Recreational maths with 51021436872

• 51021436872 backwards is 27863412015
• The number of decimal digits it has is: 11
• The sum of 51021436872's digits is 39
• More coming soon!