121397892
121,397,892 is an even composite number composed of five prime numbers multiplied together.
121397892 is an even composite number. It is composed of five distinct prime numbers multiplied together. It has a total of one hundred eight divisors.
Prime factorization of 121397892:
22 × 3 × 72 × 11 × 1372
(2 × 2 × 3 × 7 × 7 × 11 × 137 × 137)See below for interesting mathematical facts about the number 121397892 from the Numbermatics database.
Names of 121397892
- Cardinal: 121397892 can be written as One hundred twenty-one million, three hundred ninety-seven thousand, eight hundred ninety-two.
Scientific notation
- Scientific notation: 1.21397892 × 108
Factors of 121397892
Divisors of 121397892
- Number of divisors d(n): 108
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Complete list of divisors:
1 2 3 4 6 7 11 12 14 21 22 28 33 42 44 49 66 77 84 98 132 137 147 154 196 231 274 294 308 411 462 539 548 588 822 924 959 1078 1507 1617 1644 1918 2156 2877 3014 3234 3836 4521 5754 6028 6468 6713 9042 10549 11508 13426 18084 18769 20139 21098 26852 31647 37538 40278 42196 56307 63294 73843 75076 80556 112614 126588 131383 147686 206459 221529 225228 262766 295372 394149 412918 443058 525532 619377 788298 825836 886116 919681 1238754 1445213 1576596 1839362 2477508 2759043 2890426 3678724 4335639 5518086 5780852 8671278 10116491 11036172 17342556 20232982 30349473 40465964 60698946 121397892
- Sum of all divisors σ(n): 362106864
- Sum of proper divisors (its aliquot sum) s(n): 240708972
- 121397892 is an abundant number, because the sum of its proper divisors (240708972) is greater than itself. Its abundance is 119311080
Bases of 121397892
- Binary: 1110011110001100010100001002
- Hexadecimal: 0x73C6284
- Base-36: 209Z7O
Squares and roots of 121397892
- 121397892 squared (1213978922) is 14737448182043664
- 121397892 cubed (1213978923) is 1789095142759333061556288
-
The
square root of 121397892 is 11018.0711560599 -
The
cube root of 121397892 is 495.1503022811
Scales and comparisons
How big is 121397892?- 121,397,892 seconds is equal to 3 years, 44 weeks, 5 days, 1 hour, 38 minutes, 12 seconds.
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To count from 1 to 121,397,892 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 121397892 cubic inches would be around 41.3 feet tall.
Recreational maths with 121397892
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