51438587361

Names of 51438587361

• Cardinal: 51438587361 can be written as Fifty-one billion, four hundred thirty-eight million, five hundred eighty-seven thousand, three hundred sixty-one.

Scientific notation

• Scientific notation: 5.1438587361 × 10¹⁰

Factors of 51438587361

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 2861

Divisors of 51438587361

• Number of divisors d(n): 64
• Complete list of divisors:
  1 3 7 21 49 79 147 237 251 343 553 753 1029 1659 1757 2521 3871 5271 7563 11613 12299 17647 19829 27097 36897 52941 59487 81291 86093 123529 138803 199159 258279 370587 416409 597477 632771 864703 971621 1394113 1898313 2594109 2914863 4182339 4429397 6801347 9758791 13288191 20404041 29276373 31005779 49988909 68311537 93017337 149966727 204934611 217040453 349922363 651121359 1049767089 2449456541 7348369623 17146195787 51438587361
• Sum of all divisors σ(n): 81349632000
• Sum of proper divisors (its aliquot sum) s(n): 29911044639
• 51438587361 is a deficient number, because the sum of its proper divisors (29911044639) is less than itself. Its deficiency is 21527542722

Bases of 51438587361

• Binary: 101111111001111110101000110111100001₂
• Hexadecimal: 0xBF9FA8DE1
• Base-36: NMP7G0X

Squares and roots of 51438587361

• 51438587361 squared (51438587361²) is 2645928269695228944321
• 51438587361 cubed (51438587361³) is 136102812451657602897351563326881
• The square root of 51438587361 is 226800.7657857443
• The cube root of 51438587361 is 3719.0299663917

Scales and comparisons

• 51,438,587,361 seconds is equal to 1,635 years, 30 weeks, 4 days, 29 minutes, 21 seconds.
• To count from 1 to 51,438,587,361 would take you about three thousand, two hundred seventy-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 51438587361 cubic inches would be around 309.9 feet tall.

Recreational maths with 51438587361

• 51438587361 backwards is 16378583415
• The number of decimal digits it has is: 11
• The sum of 51438587361's digits is 51
• More coming soon!