838397142
838,397,142 is an even composite number composed of five prime numbers multiplied together.
838397142 is an even composite number. It is composed of five distinct prime numbers multiplied together. It has a total of one hundred forty-four divisors.
Prime factorization of 838397142:
2 × 35 × 112 × 53 × 269
(2 × 3 × 3 × 3 × 3 × 3 × 11 × 11 × 53 × 269)See below for interesting mathematical facts about the number 838397142 from the Numbermatics database.
Names of 838397142
- Cardinal: 838397142 can be written as Eight hundred thirty-eight million, three hundred ninety-seven thousand, one hundred forty-two.
Scientific notation
- Scientific notation: 8.38397142 × 108
Factors of 838397142
Divisors of 838397142
- Number of divisors d(n): 144
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Complete list of divisors:
1 2 3 6 9 11 18 22 27 33 53 54 66 81 99 106 121 159 162 198 242 243 269 297 318 363 477 486 538 583 594 726 807 891 954 1089 1166 1431 1614 1749 1782 2178 2421 2673 2862 2959 3267 3498 4293 4842 5247 5346 5918 6413 6534 7263 8586 8877 9801 10494 12826 12879 14257 14526 15741 17754 19239 19602 21789 25758 26631 28514 29403 31482 32549 38478 42771 43578 47223 53262 57717 58806 65098 65367 79893 85542 94446 97647 115434 128313 130734 141669 156827 159786 173151 195294 239679 256626 283338 292941 313654 346302 384939 470481 479358 519453 585882 719037 769878 878823 940962 1038906 1154817 1411443 1438074 1558359 1725097 1757646 2309634 2636469 2822886 3116718 3450194 3464451 4234329 5175291 5272938 6928902 7909407 8468658 10350582 12702987 15525873 15818814 25405974 31051746 38108961 46577619 76217922 93155238 139732857 279465714 419198571 838397142
- Sum of all divisors σ(n): 2117540880
- Sum of proper divisors (its aliquot sum) s(n): 1279143738
- 838397142 is an abundant number, because the sum of its proper divisors (1279143738) is greater than itself. Its abundance is 440746596
Bases of 838397142
- Binary: 1100011111100011101100110101102
- Hexadecimal: 0x31F8ECD6
- Base-36: DV5RDI
Squares and roots of 838397142
- 838397142 squared (8383971422) is 702909767713768164
- 838397142 cubed (8383971423) is 589317540335107102748187288
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The
square root of 838397142 is 28955.0883611153 -
The
cube root of 838397142 is 942.9382715905
Scales and comparisons
How big is 838397142?- 838,397,142 seconds is equal to 26 years, 34 weeks, 1 day, 16 hours, 5 minutes, 42 seconds.
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To count from 1 to 838,397,142 would take you about thirty-nine 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 838397142 cubic inches would be around 78.6 feet tall.
Recreational maths with 838397142
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