139151649

Names of 139151649

• Cardinal: 139151649 can be written as One hundred thirty-nine million, one hundred fifty-one thousand, six hundred forty-nine.

Scientific notation

• Scientific notation: 1.39151649 × 10⁸

Factors of 139151649

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 6
• Sum of prime factors: 374

Divisors of 139151649

• Number of divisors d(n): 64
• Complete list of divisors:
  1 3 7 13 19 21 39 57 91 133 139 193 247 273 399 417 579 741 973 1351 1729 1807 2509 2641 2919 3667 4053 5187 5421 7527 7923 11001 12649 17563 18487 25669 26827 34333 37947 47671 52689 55461 77007 80481 102999 143013 187789 240331 333697 348751 509713 563367 720993 1001091 1046253 1529139 2441257 3567991 6626269 7323771 10703973 19878807 46383883 139151649
• Sum of all divisors σ(n): 243353600
• Sum of proper divisors (its aliquot sum) s(n): 104201951
• 139151649 is a deficient number, because the sum of its proper divisors (104201951) is less than itself. Its deficiency is 34949698

Bases of 139151649

• Binary: 1000010010110100100100100001₂
• Hexadecimal: 0x84B4921
• Base-36: 2AUI3L

Squares and roots of 139151649

• 139151649 squared (139151649²) is 19363181419419201
• 139151649 cubed (139151649³) is 2694418624398342441412449
• The square root of 139151649 is 11796.2557195071
• The cube root of 139151649 is 518.1984612945

Scales and comparisons

• 139,151,649 seconds is equal to 4 years, 22 weeks, 13 hours, 14 minutes, 9 seconds.
• To count from 1 to 139,151,649 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 139151649 cubic inches would be around 43.2 feet tall.

Recreational maths with 139151649

• 139151649 backwards is 946151931
• 139151649 is a Harshad number.
• The number of decimal digits it has is: 9
• The sum of 139151649's digits is 39
• More coming soon!