121393128
121,393,128 is an even composite number composed of six prime numbers multiplied together.
121393128 is an even composite number. It is composed of six distinct prime numbers multiplied together. It has a total of one hundred twenty-eight divisors.
Prime factorization of 121393128:
23 × 3 × 19 × 41 × 43 × 151
(2 × 2 × 2 × 3 × 19 × 41 × 43 × 151)See below for interesting mathematical facts about the number 121393128 from the Numbermatics database.
Names of 121393128
- Cardinal: 121393128 can be written as One hundred twenty-one million, three hundred ninety-three thousand, one hundred twenty-eight.
Scientific notation
- Scientific notation: 1.21393128 × 108
Factors of 121393128
Divisors of 121393128
- Number of divisors d(n): 128
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Complete list of divisors:
1 2 3 4 6 8 12 19 24 38 41 43 57 76 82 86 114 123 129 151 152 164 172 228 246 258 302 328 344 453 456 492 516 604 779 817 906 984 1032 1208 1558 1634 1763 1812 2337 2451 2869 3116 3268 3526 3624 4674 4902 5289 5738 6191 6232 6493 6536 7052 8607 9348 9804 10578 11476 12382 12986 14104 17214 18573 18696 19479 19608 21156 22952 24764 25972 33497 34428 37146 38958 42312 49528 51944 66994 68856 74292 77916 100491 117629 123367 133988 148584 155832 200982 235258 246734 266213 267976 352887 370101 401964 470516 493468 532426 705774 740202 798639 803928 941032 986936 1064852 1411548 1480404 1597278 2129704 2823096 2960808 3194556 5058047 6389112 10116094 15174141 20232188 30348282 40464376 60696564 121393128
- Sum of all divisors σ(n): 337075200
- Sum of proper divisors (its aliquot sum) s(n): 215682072
- 121393128 is an abundant number, because the sum of its proper divisors (215682072) is greater than itself. Its abundance is 94288944
Bases of 121393128
- Binary: 1110011110001001111111010002
- Hexadecimal: 0x73C4FE8
- Base-36: 209VJC
Squares and roots of 121393128
- 121393128 squared (1213931282) is 14736291525624384
- 121393128 cubed (1213931283) is 1788884523415436126833152
-
The
square root of 121393128 is 11017.8549636489 -
The
cube root of 121393128 is 495.1438251591
Scales and comparisons
How big is 121393128?- 121,393,128 seconds is equal to 3 years, 44 weeks, 5 days, 18 minutes, 48 seconds.
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To count from 1 to 121,393,128 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 121393128 cubic inches would be around 41.3 feet tall.
Recreational maths with 121393128
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