139649601

Names of 139649601

• Cardinal: 139649601 can be written as One hundred thirty-nine million, six hundred forty-nine thousand, six hundred one.

Scientific notation

• Scientific notation: 1.39649601 × 10⁸

Factors of 139649601

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 151

Divisors of 139649601

• Number of divisors d(n): 72
• Complete list of divisors:
  1 3 7 13 19 21 39 57 91 109 133 169 247 273 327 361 399 507 741 763 1083 1183 1417 1729 2071 2289 2527 3211 3549 4251 4693 5187 6213 7581 9633 9919 14079 14497 18421 22477 26923 29757 32851 39349 43491 55263 61009 67431 80769 98553 118047 128947 183027 188461 275443 349999 386841 427063 511537 565383 826329 1049997 1281189 1534611 2449993 3580759 6649981 7349979 10742277 19949943 46549867 139649601
• Sum of all divisors σ(n): 245424960
• Sum of proper divisors (its aliquot sum) s(n): 105775359
• 139649601 is a deficient number, because the sum of its proper divisors (105775359) is less than itself. Its deficiency is 33874242

Bases of 139649601

• Binary: 1000010100101110001001000001₂
• Hexadecimal: 0x852E241
• Base-36: 2B56BL

Squares and roots of 139649601

• 139649601 squared (139649601²) is 19502011059459201
• 139649601 cubed (139649601³) is 2723448063151064695428801
• The square root of 139649601 is 11817.3432293389
• The cube root of 139649601 is 518.8158471405

Scales and comparisons

• 139,649,601 seconds is equal to 4 years, 22 weeks, 6 days, 7 hours, 33 minutes, 21 seconds.
• To count from 1 to 139,649,601 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 139649601 cubic inches would be around 43.2 feet tall.

Recreational maths with 139649601

• 139649601 backwards is 106946931
• 139649601 is a Harshad number.
• The number of decimal digits it has is: 9
• The sum of 139649601's digits is 39
• More coming soon!