121357890
121,357,890 is an even composite number composed of five prime numbers multiplied together.
121357890 is an even composite number. It is composed of five distinct prime numbers multiplied together. It has a total of seventy-two divisors.
Prime factorization of 121357890:
2 × 32 × 5 × 232 × 2549
(2 × 3 × 3 × 5 × 23 × 23 × 2549)See below for interesting mathematical facts about the number 121357890 from the Numbermatics database.
Names of 121357890
- Cardinal: 121357890 can be written as One hundred twenty-one million, three hundred fifty-seven thousand, eight hundred ninety.
Scientific notation
- Scientific notation: 1.2135789 × 108
Factors of 121357890
Divisors of 121357890
- Number of divisors d(n): 72
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Complete list of divisors:
1 2 3 5 6 9 10 15 18 23 30 45 46 69 90 115 138 207 230 345 414 529 690 1035 1058 1587 2070 2549 2645 3174 4761 5098 5290 7647 7935 9522 12745 15294 15870 22941 23805 25490 38235 45882 47610 58627 76470 114705 117254 175881 229410 293135 351762 527643 586270 879405 1055286 1348421 1758810 2638215 2696842 4045263 5276430 6742105 8090526 12135789 13484210 20226315 24271578 40452630 60678945 121357890
- Sum of all divisors σ(n): 329975100
- Sum of proper divisors (its aliquot sum) s(n): 208617210
- 121357890 is an abundant number, because the sum of its proper divisors (208617210) is greater than itself. Its abundance is 87259320
Bases of 121357890
- Binary: 1110011101111000110010000102
- Hexadecimal: 0x73BC642
- Base-36: 2094CI
Squares and roots of 121357890
- 121357890 squared (1213578902) is 14727737465252100
- 121357890 cubed (1213578903) is 1787327143256943174069000
-
The
square root of 121357890 is 11016.2557159863 -
The
cube root of 121357890 is 495.0959104023
Scales and comparisons
How big is 121357890?- 121,357,890 seconds is equal to 3 years, 44 weeks, 4 days, 14 hours, 31 minutes, 30 seconds.
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To count from 1 to 121,357,890 would take you about 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 121357890 cubic inches would be around 41.3 feet tall.
Recreational maths with 121357890
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The information we have on file for 121357890 includes mathematical data and numerical statistics calculated using standard algorithms and methods. We are adding more all the time. If there are any features you would like to see, please contact us. Information provided for educational use, intellectual curiosity and fun!
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