139742568

Names of 139742568

• Cardinal: 139742568 can be written as One hundred thirty-nine million, seven hundred forty-two thousand, five hundred sixty-eight.

Scientific notation

• Scientific notation: 1.39742568 × 10⁸

Factors of 139742568

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 14624

Divisors of 139742568

• Number of divisors d(n): 96
• Complete list of divisors:
  1 2 3 4 6 7 8 9 12 14 18 19 21 24 28 36 38 42 56 57 63 72 76 84 114 126 133 152 168 171 228 252 266 342 399 456 504 532 684 798 1064 1197 1368 1596 2394 3192 4788 9576 14593 29186 43779 58372 87558 102151 116744 131337 175116 204302 262674 277267 306453 350232 408604 525348 554534 612906 817208 831801 919359 1050696 1109068 1225812 1663602 1838718 1940869 2218136 2451624 2495403 3327204 3677436 3881738 4990806 5822607 6654408 7354872 7763476 9981612 11645214 15526952 17467821 19963224 23290428 34935642 46580856 69871284 139742568
• Sum of all divisors σ(n): 455332800
• Sum of proper divisors (its aliquot sum) s(n): 315590232
• 139742568 is an abundant number, because the sum of its proper divisors (315590232) is greater than itself. Its abundance is 175847664

Bases of 139742568

• Binary: 1000010101000100110101101000₂
• Hexadecimal: 0x8544D68
• Base-36: 2B7620

Squares and roots of 139742568

• 139742568 squared (139742568²) is 19527985311234624
• 139742568 cubed (139742568³) is 2728890815258205608274432
• The square root of 139742568 is 11821.2760732503
• The cube root of 139742568 is 518.9309496383

Scales and comparisons

• 139,742,568 seconds is equal to 4 years, 23 weeks, 9 hours, 22 minutes, 48 seconds.
• To count from 1 to 139,742,568 would take you about six 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 139742568 cubic inches would be around 43.2 feet tall.

Recreational maths with 139742568

• 139742568 backwards is 865247931
• The number of decimal digits it has is: 9
• The sum of 139742568's digits is 45
• More coming soon!