139857749207

Names of 139857749207

• Cardinal: 139857749207 can be written as One hundred thirty-nine billion, eight hundred fifty-seven million, seven hundred forty-nine thousand, two hundred seven.

Scientific notation

• Scientific notation: 1.39857749207 × 10¹¹

Factors of 139857749207

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 591

Divisors of 139857749207

• Number of divisors d(n): 64
• Complete list of divisors:
  1 11 31 61 121 181 307 341 671 1331 1891 1991 3377 3751 5611 7381 9517 11041 18727 20801 21901 37147 41261 55567 61721 81191 104687 121451 205997 228811 240911 342271 408617 580537 611237 678931 1151557 1335961 1722577 2265967 2516921 3389587 3764981 6385907 6723607 7468241 12667127 14695571 18948347 24925637 37285457 41414791 70244977 73959677 105077197 208431817 410140027 455562701 772694747 1155849167 2292749987 4511540297 12714340837 139857749207
• Sum of all divisors σ(n): 162818912256
• Sum of proper divisors (its aliquot sum) s(n): 22961163049
• 139857749207 is a deficient number, because the sum of its proper divisors (22961163049) is less than itself. Its deficiency is 116896586158

Bases of 139857749207

• Binary: 10000010010000001010111110010011010111₂
• Hexadecimal: 0x20902BE4D7
• Base-36: 1S8ZOXXZ

Squares and roots of 139857749207

• 139857749207 squared (139857749207²) is 19560190013248109128849
• 139857749207 cubed (139857749207³) is 2735644149314120054009530690572743
• The square root of 139857749207 is 373975.5997481653
• The cube root of 139857749207 is 5190.7348477667

Scales and comparisons

• 139,857,749,207 seconds is equal to 4,447 years, 2 weeks, 1 day, 22 hours, 46 minutes, 47 seconds.
• To count from 1 to 139,857,749,207 would take you about eight thousand, eight hundred ninety-four 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 139857749207 cubic inches would be around 432.6 feet tall.

Recreational maths with 139857749207

• 139857749207 backwards is 702947758931
• The number of decimal digits it has is: 12
• The sum of 139857749207's digits is 62
• More coming soon!