188539850421

Names of 188539850421

• Cardinal: 188539850421 can be written as One hundred eighty-eight billion, five hundred thirty-nine million, eight hundred fifty thousand, four hundred twenty-one.

Scientific notation

• Scientific notation: 1.88539850421 × 10¹¹

Factors of 188539850421

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 2998

Divisors of 188539850421

• Number of divisors d(n): 128
• Complete list of divisors:
  1 3 9 13 27 37 39 71 73 111 117 213 219 333 351 481 639 657 923 949 999 1443 1917 1971 2627 2701 2769 2801 2847 4329 5183 7881 8103 8307 8403 8541 12987 15549 23643 24309 24921 25209 25623 34151 35113 36413 46647 67379 70929 72927 75627 102453 103637 105339 109239 139941 191771 198871 202137 204473 307359 310911 316017 327717 575313 596613 606411 613419 922077 932733 948051 983151 1347281 1725939 1789839 1819233 1840257 2493023 2585323 2658149 2798199 4041843 5177817 5369517 5520771 7358227 7479069 7565501 7755969 7974447 12125529 14517583 22074681 22437207 22696503 23267907 23923341 36376587 43552749 66224043 67311621 68089509 69803721 71770023 95656951 98351513 130658247 188728579 198672129 204268527 286970853 295054539 391974741 537150571 566185737 860912559 885163617 1611451713 1698557211 2582737677 2655490851 4834355139 5095671633 6982957423 14503065417 20948872269 62846616807 188539850421
• Sum of all divisors σ(n): 317690311680
• Sum of proper divisors (its aliquot sum) s(n): 129150461259
• 188539850421 is a deficient number, because the sum of its proper divisors (129150461259) is less than itself. Its deficiency is 59389389162

Bases of 188539850421

• Binary: 10101111100101110110011100111010110101₂
• Hexadecimal: 0x2BE5D9CEB5
• Base-36: 2EM3RBN9

Squares and roots of 188539850421

• 188539850421 squared (188539850421²) is 35547275196773053877241
• 188539850421 cubed (188539850421³) is 6702077948473714919898392236168461
• The square root of 188539850421 is 434211.7575803309
• The cube root of 188539850421 is 5734.1324382557

Scales and comparisons

• 188,539,850,421 seconds is equal to 5,994 years, 51 weeks, 1 day, 4 hours, 40 minutes, 21 seconds.
• To count from 1 to 188,539,850,421 would take you about eleven thousand, nine hundred eighty-nine 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 188539850421 cubic inches would be around 477.8 feet tall.

Recreational maths with 188539850421

• 188539850421 backwards is 124058935881
• The number of decimal digits it has is: 12
• The sum of 188539850421's digits is 54
• More coming soon!