990666040
990,666,040 is an even composite number composed of six prime numbers multiplied together.
990666040 is an even composite number. It is composed of six distinct prime numbers multiplied together. It has a total of one hundred twenty-eight divisors.
Prime factorization of 990666040:
23 × 5 × 7 × 13 × 127 × 2143
(2 × 2 × 2 × 5 × 7 × 13 × 127 × 2143)See below for interesting mathematical facts about the number 990666040 from the Numbermatics database.
Names of 990666040
- Cardinal: 990666040 can be written as Nine hundred ninety million, six hundred sixty-six thousand and forty.
Scientific notation
- Scientific notation: 9.9066604 × 108
Factors of 990666040
Divisors of 990666040
- Number of divisors d(n): 128
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Complete list of divisors:
1 2 4 5 7 8 10 13 14 20 26 28 35 40 52 56 65 70 91 104 127 130 140 182 254 260 280 364 455 508 520 635 728 889 910 1016 1270 1651 1778 1820 2143 2540 3302 3556 3640 4286 4445 5080 6604 7112 8255 8572 8890 10715 11557 13208 15001 16510 17144 17780 21430 23114 27859 30002 33020 35560 42860 46228 55718 57785 60004 66040 75005 85720 92456 111436 115570 120008 139295 150010 195013 222872 231140 272161 278590 300020 390026 462280 544322 557180 600040 780052 975065 1088644 1114360 1360805 1560104 1905127 1950130 2177288 2721610 3538093 3810254 3900260 5443220 7076186 7620508 7800520 9525635 10886440 14152372 15241016 17690465 19051270 24766651 28304744 35380930 38102540 49533302 70761860 76205080 99066604 123833255 141523720 198133208 247666510 495333020 990666040
- Sum of all divisors σ(n): 2766274560
- Sum of proper divisors (its aliquot sum) s(n): 1775608520
- 990666040 is an abundant number, because the sum of its proper divisors (1775608520) is greater than itself. Its abundance is 784942480
Bases of 990666040
- Binary: 1110110000110001011101001110002
- Hexadecimal: 0x3B0C5D38
- Base-36: GDTET4
Squares and roots of 990666040
- 990666040 squared (9906660402) is 981419202809281600
- 990666040 cubed (9906660403) is 972258675227027877916864000
-
The
square root of 990666040 is 31474.8477359305 -
The
cube root of 990666040 is 996.8789491757
Scales and comparisons
How big is 990666040?- 990,666,040 seconds is equal to 31 years, 26 weeks, 1 hour, 40 seconds.
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To count from 1 to 990,666,040 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 990666040 cubic inches would be around 83.1 feet tall.
Recreational maths with 990666040
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