990864768
990,864,768 is an even composite number composed of five prime numbers multiplied together.
990864768 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 990864768:
27 × 3 × 79 × 89 × 367
(2 × 2 × 2 × 2 × 2 × 2 × 2 × 3 × 79 × 89 × 367)See below for interesting mathematical facts about the number 990864768 from the Numbermatics database.
Names of 990864768
- Cardinal: 990864768 can be written as Nine hundred ninety million, eight hundred sixty-four thousand, seven hundred sixty-eight.
Scientific notation
- Scientific notation: 9.90864768 × 108
Factors of 990864768
Divisors of 990864768
- Number of divisors d(n): 128
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Complete list of divisors:
1 2 3 4 6 8 12 16 24 32 48 64 79 89 96 128 158 178 192 237 267 316 356 367 384 474 534 632 712 734 948 1068 1101 1264 1424 1468 1896 2136 2202 2528 2848 2936 3792 4272 4404 5056 5696 5872 7031 7584 8544 8808 10112 11392 11744 14062 15168 17088 17616 21093 23488 28124 28993 30336 32663 34176 35232 42186 46976 56248 57986 65326 70464 84372 86979 97989 112496 115972 130652 140928 168744 173958 195978 224992 231944 261304 337488 347916 391956 449984 463888 522608 674976 695832 783912 899968 927776 1045216 1349952 1391664 1567824 1855552 2090432 2580377 2699904 2783328 3135648 3711104 4180864 5160754 5566656 6271296 7741131 10321508 11133312 12542592 15482262 20643016 30964524 41286032 61929048 82572064 123858096 165144128 247716192 330288256 495432384 990864768
- Sum of all divisors σ(n): 2702592000
- Sum of proper divisors (its aliquot sum) s(n): 1711727232
- 990864768 is an abundant number, because the sum of its proper divisors (1711727232) is greater than itself. Its abundance is 720862464
Bases of 990864768
- Binary: 1110110000111101100101100000002
- Hexadecimal: 0x3B0F6580
- Base-36: GDXO5C
Squares and roots of 990864768
- 990864768 squared (9908647682) is 981812988463693824
- 990864768 cubed (9908647683) is 972843899033464657340792832
-
The
square root of 990864768 is 31478.0045110867 -
The
cube root of 990864768 is 996.9456028231
Scales and comparisons
How big is 990864768?- 990,864,768 seconds is equal to 31 years, 26 weeks, 2 days, 8 hours, 12 minutes, 48 seconds.
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To count from 1 to 990,864,768 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 990864768 cubic inches would be around 83.1 feet tall.
Recreational maths with 990864768
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