813409128
813,409,128 is an even composite number composed of five prime numbers multiplied together.
813409128 is an even composite number. It is composed of five distinct prime numbers multiplied together. It has a total of one hundred sixty divisors.
Prime factorization of 813409128:
23 × 34 × 7 × 103 × 1741
(2 × 2 × 2 × 3 × 3 × 3 × 3 × 7 × 103 × 1741)See below for interesting mathematical facts about the number 813409128 from the Numbermatics database.
Names of 813409128
- Cardinal: 813409128 can be written as Eight hundred thirteen million, four hundred nine thousand, one hundred twenty-eight.
Scientific notation
- Scientific notation: 8.13409128 × 108
Factors of 813409128
Divisors of 813409128
- Number of divisors d(n): 160
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Complete list of divisors:
1 2 3 4 6 7 8 9 12 14 18 21 24 27 28 36 42 54 56 63 72 81 84 103 108 126 162 168 189 206 216 252 309 324 378 412 504 567 618 648 721 756 824 927 1134 1236 1442 1512 1741 1854 2163 2268 2472 2781 2884 3482 3708 4326 4536 5223 5562 5768 6489 6964 7416 8343 8652 10446 11124 12187 12978 13928 15669 16686 17304 19467 20892 22248 24374 25956 31338 33372 36561 38934 41784 47007 48748 51912 58401 62676 66744 73122 77868 94014 97496 109683 116802 125352 141021 146244 155736 179323 188028 219366 233604 282042 292488 329049 358646 376056 438732 467208 537969 564084 658098 717292 877464 987147 1075938 1128168 1255261 1316196 1434584 1613907 1974294 2151876 2510522 2632392 3227814 3765783 3948588 4303752 4841721 5021044 6455628 7531566 7897176 9683442 10042088 11297349 12911256 14525163 15063132 19366884 22594698 29050326 30126264 33892047 38733768 45189396 58100652 67784094 90378792 101676141 116201304 135568188 203352282 271136376 406704564 813409128
- Sum of all divisors σ(n): 2630559360
- Sum of proper divisors (its aliquot sum) s(n): 1817150232
- 813409128 is an abundant number, because the sum of its proper divisors (1817150232) is greater than itself. Its abundance is 1003741104
Bases of 813409128
- Binary: 1100000111101110100011011010002
- Hexadecimal: 0x307BA368
- Base-36: DGA6I0
Squares and roots of 813409128
- 813409128 squared (8134091282) is 661634409513720384
- 813409128 cubed (8134091283) is 538179468097350201585265152
-
The
square root of 813409128 is 28520.3283291059 -
The
cube root of 813409128 is 933.4756933643
Scales and comparisons
How big is 813409128?- 813,409,128 seconds is equal to 25 years, 44 weeks, 6 days, 10 hours, 58 minutes, 48 seconds.
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To count from 1 to 813,409,128 would take you about thirty-eight 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 813409128 cubic inches would be around 77.8 feet tall.
Recreational maths with 813409128
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