121372290
121,372,290 is an even composite number composed of six prime numbers multiplied together.
121372290 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 121372290:
2 × 33 × 5 × 13 × 151 × 229
(2 × 3 × 3 × 3 × 5 × 13 × 151 × 229)See below for interesting mathematical facts about the number 121372290 from the Numbermatics database.
Names of 121372290
- Cardinal: 121372290 can be written as One hundred twenty-one million, three hundred seventy-two thousand, two hundred ninety.
Scientific notation
- Scientific notation: 1.2137229 × 108
Factors of 121372290
Divisors of 121372290
- Number of divisors d(n): 128
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Complete list of divisors:
1 2 3 5 6 9 10 13 15 18 26 27 30 39 45 54 65 78 90 117 130 135 151 195 229 234 270 302 351 390 453 458 585 687 702 755 906 1145 1170 1359 1374 1510 1755 1963 2061 2265 2290 2718 2977 3435 3510 3926 4077 4122 4530 5889 5954 6183 6795 6870 8154 8931 9815 10305 11778 12366 13590 14885 17667 17862 19630 20385 20610 26793 29445 29770 30915 34579 35334 40770 44655 53001 53586 58890 61830 69158 80379 88335 89310 103737 106002 133965 160758 172895 176670 207474 265005 267930 311211 345790 401895 449527 518685 530010 622422 803790 899054 933633 1037370 1348581 1556055 1867266 2247635 2697162 3112110 4045743 4495270 4668165 6742905 8091486 9336330 12137229 13485810 20228715 24274458 40457430 60686145 121372290
- Sum of all divisors σ(n): 352396800
- Sum of proper divisors (its aliquot sum) s(n): 231024510
- 121372290 is an abundant number, because the sum of its proper divisors (231024510) is greater than itself. Its abundance is 109652220
Bases of 121372290
- Binary: 1110011101111111110100000102
- Hexadecimal: 0x73BFE82
- Base-36: 209FGI
Squares and roots of 121372290
- 121372290 squared (1213722902) is 14731232779844100
- 121372290 cubed (1213722903) is 1787963457012744259989000
-
The
square root of 121372290 is 11016.9092761991 -
The
cube root of 121372290 is 495.1154918763
Scales and comparisons
How big is 121372290?- 121,372,290 seconds is equal to 3 years, 44 weeks, 4 days, 18 hours, 31 minutes, 30 seconds.
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To count from 1 to 121,372,290 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 121372290 cubic inches would be around 41.3 feet tall.
Recreational maths with 121372290
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