61397856
61,397,856 is an even composite number composed of five prime numbers multiplied together.
61397856 is an even composite number. It is composed of five distinct prime numbers multiplied together. It has a total of two hundred sixteen divisors.
Prime factorization of 61397856:
25 × 32 × 13 × 232 × 31
(2 × 2 × 2 × 2 × 2 × 3 × 3 × 13 × 23 × 23 × 31)See below for interesting mathematical facts about the number 61397856 from the Numbermatics database.
Names of 61397856
- Cardinal: 61397856 can be written as Sixty-one million, three hundred ninety-seven thousand, eight hundred fifty-six.
Scientific notation
- Scientific notation: 6.1397856 × 107
Factors of 61397856
Divisors of 61397856
- Number of divisors d(n): 216
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Complete list of divisors:
1 2 3 4 6 8 9 12 13 16 18 23 24 26 31 32 36 39 46 48 52 62 69 72 78 92 93 96 104 117 124 138 144 156 184 186 207 208 234 248 276 279 288 299 312 368 372 403 414 416 468 496 529 552 558 598 624 713 736 744 806 828 897 936 992 1058 1104 1116 1196 1209 1248 1426 1488 1587 1612 1656 1794 1872 2116 2139 2208 2232 2392 2418 2691 2852 2976 3174 3224 3312 3588 3627 3744 4232 4278 4464 4761 4784 4836 5382 5704 6348 6417 6448 6624 6877 7176 7254 8464 8556 8928 9269 9522 9568 9672 10764 11408 12696 12834 12896 13754 14352 14508 16399 16928 17112 18538 19044 19344 20631 21528 22816 25392 25668 27508 27807 28704 29016 32798 34224 37076 38088 38688 41262 43056 49197 50784 51336 55016 55614 58032 61893 65596 68448 74152 76176 82524 83421 86112 98394 102672 110032 111228 116064 123786 131192 147591 148304 152352 165048 166842 196788 205344 213187 220064 222456 247572 262384 295182 296608 330096 333684 393576 426374 444912 495144 524768 590364 639561 660192 667368 787152 852748 889824 990288 1180728 1279122 1334736 1574304 1705496 1918683 1980576 2361456 2558244 2669472 3410992 3837366 4722912 5116488 6821984 7674732 10232976 15349464 20465952 30698928 61397856
- Sum of all divisors σ(n): 202902336
- Sum of proper divisors (its aliquot sum) s(n): 141504480
- 61397856 is an abundant number, because the sum of its proper divisors (141504480) is greater than itself. Its abundance is 80106624
Bases of 61397856
- Binary: 111010100011011011011000002
- Hexadecimal: 0x3A8DB60
- Base-36: 10JYW0
Squares and roots of 61397856
- 61397856 squared (613978562) is 3769696721396736
- 61397856 cubed (613978563) is 231451296463988915798016
-
The
square root of 61397856 is 7835.6784007513 -
The
cube root of 61397856 is 394.5036889977
Scales and comparisons
How big is 61397856?- 61,397,856 seconds is equal to 1 year, 49 weeks, 3 days, 14 hours, 57 minutes, 36 seconds.
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To count from 1 to 61,397,856 would take you about two 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 61397856 cubic inches would be around 32.9 feet tall.
Recreational maths with 61397856
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