640116828
640,116,828 is an even composite number composed of six prime numbers multiplied together.
640116828 is an even composite number. It is composed of six distinct prime numbers multiplied together. It has a total of one hundred forty-four divisors.
Prime factorization of 640116828:
22 × 32 × 13 × 53 × 131 × 197
(2 × 2 × 3 × 3 × 13 × 53 × 131 × 197)See below for interesting mathematical facts about the number 640116828 from the Numbermatics database.
Names of 640116828
- Cardinal: 640116828 can be written as Six hundred forty million, one hundred sixteen thousand, eight hundred twenty-eight.
Scientific notation
- Scientific notation: 6.40116828 × 108
Factors of 640116828
Divisors of 640116828
- Number of divisors d(n): 144
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Complete list of divisors:
1 2 3 4 6 9 12 13 18 26 36 39 52 53 78 106 117 131 156 159 197 212 234 262 318 393 394 468 477 524 591 636 689 786 788 954 1179 1182 1378 1572 1703 1773 1908 2067 2358 2364 2561 2756 3406 3546 4134 4716 5109 5122 6201 6812 6943 7092 7683 8268 10218 10244 10441 12402 13886 15327 15366 20436 20829 20882 23049 24804 25807 27772 30654 30732 31323 41658 41764 46098 51614 61308 62487 62646 77421 83316 90259 92196 93969 103228 124974 125292 135733 154842 180518 187938 232263 249948 270777 271466 309684 335491 361036 375876 407199 464526 541554 542932 670982 812331 814398 929052 1006473 1083108 1221597 1341964 1367771 1624662 1628796 2012946 2443194 2735542 3019419 3249324 4025892 4103313 4886388 5471084 6038838 8206626 12077676 12309939 16413252 17781023 24619878 35562046 49239756 53343069 71124092 106686138 160029207 213372276 320058414 640116828
- Sum of all divisors σ(n): 1798052256
- Sum of proper divisors (its aliquot sum) s(n): 1157935428
- 640116828 is an abundant number, because the sum of its proper divisors (1157935428) is greater than itself. Its abundance is 517818600
Bases of 640116828
- Binary: 1001100010011101101000010111002
- Hexadecimal: 0x2627685C
- Base-36: AL3XB0
Squares and roots of 640116828
- 640116828 squared (6401168282) is 409749553488781584
- 640116828 cubed (6401168283) is 262287584453655201134895552
-
The
square root of 640116828 is 25300.5301920731 -
The
cube root of 640116828 is 861.8263099673
Scales and comparisons
How big is 640116828?- 640,116,828 seconds is equal to 20 years, 18 weeks, 2 days, 18 hours, 13 minutes, 48 seconds.
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To count from 1 to 640,116,828 would take you about thirty 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 640116828 cubic inches would be around 71.8 feet tall.
Recreational maths with 640116828
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