990305664
990,305,664 is an even composite number composed of five prime numbers multiplied together.
990305664 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 990305664:
27 × 3 × 23 × 31 × 3617
(2 × 2 × 2 × 2 × 2 × 2 × 2 × 3 × 23 × 31 × 3617)See below for interesting mathematical facts about the number 990305664 from the Numbermatics database.
Names of 990305664
- Cardinal: 990305664 can be written as Nine hundred ninety million, three hundred five thousand, six hundred sixty-four.
Scientific notation
- Scientific notation: 9.90305664 × 108
Factors of 990305664
Divisors of 990305664
- Number of divisors d(n): 128
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Complete list of divisors:
1 2 3 4 6 8 12 16 23 24 31 32 46 48 62 64 69 92 93 96 124 128 138 184 186 192 248 276 368 372 384 496 552 713 736 744 992 1104 1426 1472 1488 1984 2139 2208 2852 2944 2976 3617 3968 4278 4416 5704 5952 7234 8556 8832 10851 11408 11904 14468 17112 21702 22816 28936 34224 43404 45632 57872 68448 83191 86808 91264 112127 115744 136896 166382 173616 224254 231488 249573 273792 332764 336381 347232 448508 462976 499146 665528 672762 694464 897016 998292 1331056 1345524 1388928 1794032 1996584 2578921 2662112 2691048 3588064 3993168 5157842 5324224 5382096 7176128 7736763 7986336 10315684 10648448 10764192 14352256 15473526 15972672 20631368 21528384 30947052 31945344 41262736 43056768 61894104 82525472 123788208 165050944 247576416 330101888 495152832 990305664
- Sum of all divisors σ(n): 2834196480
- Sum of proper divisors (its aliquot sum) s(n): 1843890816
- 990305664 is an abundant number, because the sum of its proper divisors (1843890816) is greater than itself. Its abundance is 853585152
Bases of 990305664
- Binary: 1110110000011011011101100000002
- Hexadecimal: 0x3B06DD80
- Base-36: GDLOQO
Squares and roots of 990305664
- 990305664 squared (9903056642) is 980705308150480896
- 990305664 cubed (9903056643) is 971198021376286595632594944
-
The
square root of 990305664 is 31469.1223900509 -
The
cube root of 990305664 is 996.7580558223
Scales and comparisons
How big is 990305664?- 990,305,664 seconds is equal to 31 years, 25 weeks, 2 days, 20 hours, 54 minutes, 24 seconds.
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To count from 1 to 990,305,664 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 990305664 cubic inches would be around 83.1 feet tall.
Recreational maths with 990305664
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