64988125389

Names of 64988125389

• Cardinal: 64988125389 can be written as Sixty-four billion, nine hundred eighty-eight million, one hundred twenty-five thousand, three hundred eighty-nine.

Scientific notation

• Scientific notation: 6.4988125389 × 10¹⁰

Factors of 64988125389

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 2678

Divisors of 64988125389

• Number of divisors d(n): 128
• Complete list of divisors:
  1 3 9 11 27 29 33 41 73 87 99 123 219 261 297 319 369 451 657 783 803 957 1107 1189 1353 1971 2117 2409 2521 2871 2993 3567 4059 6351 7227 7563 8613 8979 10701 12177 13079 19053 21681 22689 23287 26937 27731 32103 32923 39237 57159 68067 69861 73109 80811 83193 86797 98769 103361 117711 184033 209583 219327 249579 260391 296307 310083 353133 552099 628749 657981 748737 781173 804199 888921 930249 954767 1136971 1656297 1973943 2024363 2343519 2412597 2790747 2864301 2997469 3410913 4968891 5336957 6073089 7237791 7545353 8592903 8992407 10232739 16010871 18219267 21713373 22636059 25778709 26977221 30698217 32972159 48032613 54657801 58706527 67908177 80931663 82998883 98916477 144097839 176119581 203724531 218815237 248996649 296749431 528358743 656445711 746989947 890248293 1585076229 1969337133 2240969841 2406967607 5908011399 7220902821 21662708463 64988125389
• Sum of all divisors σ(n): 112872614400
• Sum of proper divisors (its aliquot sum) s(n): 47884489011
• 64988125389 is a deficient number, because the sum of its proper divisors (47884489011) is less than itself. Its deficiency is 17103636378

Bases of 64988125389

• Binary: 111100100001100110000001100011001101₂
• Hexadecimal: 0xF219818CD
• Base-36: TUS92H9

Squares and roots of 64988125389

• 64988125389 squared (64988125389²) is 4223456441576386401321
• 64988125389 cubed (64988125389³) is 274474516800145952270563623238869
• The square root of 64988125389 is 254927.6865877851
• The cube root of 64988125389 is 4020.4808998093

Scales and comparisons

• 64,988,125,389 seconds is equal to 2,066 years, 21 weeks, 6 days, 9 hours, 3 minutes, 9 seconds.
• To count from 1 to 64,988,125,389 would take you about four thousand, one hundred thirty-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 64988125389 cubic inches would be around 335 feet tall.

Recreational maths with 64988125389

• 64988125389 backwards is 98352188946
• The number of decimal digits it has is: 11
• The sum of 64988125389's digits is 63
• More coming soon!