13458437991
13,458,437,991 is an odd composite number composed of six prime numbers multiplied together.
13458437991 is an odd composite number. It is composed of six distinct prime numbers multiplied together. It has a total of ninety-six divisors.
Prime factorization of 13458437991:
32 × 17 × 31 × 61 × 181 × 257
(3 × 3 × 17 × 31 × 61 × 181 × 257)See below for interesting mathematical facts about the number 13458437991 from the Numbermatics database.
Names of 13458437991
- Cardinal: 13458437991 can be written as Thirteen billion, four hundred fifty-eight million, four hundred thirty-seven thousand, nine hundred ninety-one.
Scientific notation
- Scientific notation: 1.3458437991 × 1010
Factors of 13458437991
Divisors of 13458437991
- Number of divisors d(n): 96
-
Complete list of divisors:
1 3 9 17 31 51 61 93 153 181 183 257 279 527 543 549 771 1037 1581 1629 1891 2313 3077 3111 4369 4743 5611 5673 7967 9231 9333 11041 13107 15677 16833 17019 23901 27693 32147 33123 39321 46517 47031 50499 71703 95387 96441 99369 135439 139551 141093 187697 266509 286161 289323 342271 406317 418653 485987 563091 790789 799527 858483 1026813 1218951 1442027 1457961 1689273 2372367 2398581 2837537 3080439 4326081 4373883 5818607 7117101 8261779 8512611 12978243 17455821 24514459 24785337 25537833 48238129 52367463 73543377 74356011 87963647 144714387 220630131 263890941 434143161 791672823 1495381999 4486145997 13458437991
- Sum of all divisors σ(n): 21799604736
- Sum of proper divisors (its aliquot sum) s(n): 8341166745
- 13458437991 is a deficient number, because the sum of its proper divisors (8341166745) is less than itself. Its deficiency is 5117271246
Bases of 13458437991
- Binary: 11001000100010111101110111011001112
- Hexadecimal: 0x3222F7767
- Base-36: 66KT17R
Squares and roots of 13458437991
- 13458437991 squared (134584379912) is 181129553157592116081
- 13458437991 cubed (134584379913) is 2437720859508991745146612433271
-
The
square root of 13458437991 is 116010.5081059471 -
The
cube root of 13458437991 is 2378.6555261573
Scales and comparisons
How big is 13458437991?- 13,458,437,991 seconds is equal to 427 years, 48 weeks, 4 days, 22 hours, 59 minutes, 51 seconds.
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To count from 1 to 13,458,437,991 would take you about eight hundred fifty-five 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 13458437991 cubic inches would be around 198.2 feet tall.
Recreational maths with 13458437991
- 13458437991 backwards is 19973485431
- The number of decimal digits it has is: 11
- The sum of 13458437991's digits is 54
- More coming soon!
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