990385272
990,385,272 is an even composite number composed of five prime numbers multiplied together.
990385272 is an even composite number. It is composed of five distinct prime numbers multiplied together. It has a total of one hundred twenty-eight divisors.
Prime factorization of 990385272:
23 × 33 × 31 × 353 × 419
(2 × 2 × 2 × 3 × 3 × 3 × 31 × 353 × 419)See below for interesting mathematical facts about the number 990385272 from the Numbermatics database.
Names of 990385272
- Cardinal: 990385272 can be written as Nine hundred ninety million, three hundred eighty-five thousand, two hundred seventy-two.
Scientific notation
- Scientific notation: 9.90385272 × 108
Factors of 990385272
Divisors of 990385272
- Number of divisors d(n): 128
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Complete list of divisors:
1 2 3 4 6 8 9 12 18 24 27 31 36 54 62 72 93 108 124 186 216 248 279 353 372 419 558 706 744 837 838 1059 1116 1257 1412 1674 1676 2118 2232 2514 2824 3177 3348 3352 3771 4236 5028 6354 6696 7542 8472 9531 10056 10943 11313 12708 12989 15084 19062 21886 22626 25416 25978 30168 32829 38124 38967 43772 45252 51956 65658 76248 77934 87544 90504 98487 103912 116901 131316 147907 155868 196974 233802 262632 295461 295814 311736 350703 393948 443721 467604 590922 591628 701406 787896 887442 935208 1181844 1183256 1331163 1402812 1774884 2363688 2662326 2805624 3549768 3993489 4585117 5324652 7986978 9170234 10649304 13755351 15973956 18340468 27510702 31947912 36680936 41266053 55021404 82532106 110042808 123798159 165064212 247596318 330128424 495192636 990385272
- Sum of all divisors σ(n): 2854656000
- Sum of proper divisors (its aliquot sum) s(n): 1864270728
- 990385272 is an abundant number, because the sum of its proper divisors (1864270728) is greater than itself. Its abundance is 873885456
Bases of 990385272
- Binary: 1110110000100000010100011110002
- Hexadecimal: 0x3B081478
- Base-36: GDNE60
Squares and roots of 990385272
- 990385272 squared (9903852722) is 980862986994513984
- 990385272 cubed (9903852723) is 971432256169294194551643648
-
The
square root of 990385272 is 31470.3872235471 -
The
cube root of 990385272 is 996.7847640035
Scales and comparisons
How big is 990385272?- 990,385,272 seconds is equal to 31 years, 25 weeks, 3 days, 19 hours, 1 minute, 12 seconds.
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To count from 1 to 990,385,272 would take you about forty-seven 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 990385272 cubic inches would be around 83.1 feet tall.
Recreational maths with 990385272
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