139173085940

Names of 139173085940

• Cardinal: 139173085940 can be written as One hundred thirty-nine billion, one hundred seventy-three million, eighty-five thousand, nine hundred forty.

Scientific notation

• Scientific notation: 1.3917308594 × 10¹¹

Factors of 139173085940

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 7474420

Divisors of 139173085940

• Number of divisors d(n): 72
• Complete list of divisors:
  1 2 4 5 7 10 14 19 20 28 35 38 49 70 76 95 98 133 140 190 196 245 266 380 490 532 665 931 980 1330 1862 2660 3724 4655 9310 18620 7474387 14948774 29897548 37371935 52320709 74743870 104641418 142013353 149487740 209282836 261603545 284026706 366244963 523207090 568053412 710066765 732489926 994093471 1046414180 1420133530 1464979852 1831224815 1988186942 2840267060 3662449630 3976373884 4970467355 6958654297 7324899260 9940934710 13917308594 19881869420 27834617188 34793271485 69586542970 139173085940
• Sum of all divisors σ(n): 357873697440
• Sum of proper divisors (its aliquot sum) s(n): 218700611500
• 139173085940 is an abundant number, because the sum of its proper divisors (218700611500) is greater than itself. Its abundance is 79527525560

Bases of 139173085940

• Binary: 10000001100111010111001100001011110100₂
• Hexadecimal: 0x20675CC2F4
• Base-36: 1RXO28DW

Squares and roots of 139173085940

• 139173085940 squared (139173085940²) is 19369147850062625683600
• 139173085940 cubed (139173085940³) is 2695664078321332038645714048584000
• The square root of 139173085940 is 373059.0917535717
• The cube root of 139173085940 is 5182.2507019903

Scales and comparisons

• 139,173,085,940 seconds is equal to 4,425 years, 14 weeks, 1 day, 14 hours, 32 minutes, 20 seconds.
• To count from 1 to 139,173,085,940 would take you about eight thousand, eight hundred fifty 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 139173085940 cubic inches would be around 431.9 feet tall.

Recreational maths with 139173085940

• 139173085940 backwards is 049580371931
• The number of decimal digits it has is: 12
• The sum of 139173085940's digits is 50
• More coming soon!