121396857387
121,396,857,387 is an odd composite number composed of six prime numbers multiplied together.
121396857387 is an odd composite number. It is composed of six distinct prime numbers multiplied together. It has a total of sixty-four divisors.
Prime factorization of 121396857387:
3 × 13 × 17 × 157 × 1033 × 1129
See below for interesting mathematical facts about the number 121396857387 from the Numbermatics database.
Names of 121396857387
- Cardinal: 121396857387 can be written as One hundred twenty-one billion, three hundred ninety-six million, eight hundred fifty-seven thousand, three hundred eighty-seven.
Scientific notation
- Scientific notation: 1.21396857387 × 1011
Factors of 121396857387
Divisors of 121396857387
- Number of divisors d(n): 64
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Complete list of divisors:
1 3 13 17 39 51 157 221 471 663 1033 1129 2041 2669 3099 3387 6123 8007 13429 14677 17561 19193 34697 40287 44031 52683 57579 104091 162181 177253 228293 249509 486543 531759 684879 748527 1166257 2108353 2304289 2757077 3013301 3498771 6325059 6912867 8271231 9039903 15161341 19826369 35842001 39172913 45484023 59479107 107526003 117518739 183102349 257742797 549307047 773228391 2380330537 3112739933 7140991611 9338219799 40465619129 121396857387
- Sum of all divisors σ(n): 186087242880
- Sum of proper divisors (its aliquot sum) s(n): 64690385493
- 121396857387 is a deficient number, because the sum of its proper divisors (64690385493) is less than itself. Its deficiency is 56706471894
Bases of 121396857387
- Binary: 11100010000111101000100001010001010112
- Hexadecimal: 0x1C43D10A2B
- Base-36: 1JROJYNF
Squares and roots of 121396857387
- 121396857387 squared (1213968573872) is 14737196983439616467769
- 121396857387 cubed (1213968573873) is 1789049400482745721063729975059603
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The
square root of 121396857387 is 348420.5180338839 -
The
cube root of 121396857387 is 4951.4889563837
Scales and comparisons
How big is 121396857387?- 121,396,857,387 seconds is equal to 3,860 years, 2 weeks, 2 days, 5 hours, 16 minutes, 27 seconds.
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To count from 1 to 121,396,857,387 would take you about seven thousand, seven hundred twenty 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 121396857387 cubic inches would be around 412.6 feet tall.
Recreational maths with 121396857387
- 121396857387 backwards is 783758693121
- The number of decimal digits it has is: 12
- The sum of 121396857387's digits is 60
- More coming soon!
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