990122880
990,122,880 is an even composite number composed of five prime numbers multiplied together.
990122880 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 990122880:
27 × 3 × 5 × 149 × 3461
(2 × 2 × 2 × 2 × 2 × 2 × 2 × 3 × 5 × 149 × 3461)See below for interesting mathematical facts about the number 990122880 from the Numbermatics database.
Names of 990122880
- Cardinal: 990122880 can be written as Nine hundred ninety million, one hundred twenty-two thousand, eight hundred eighty.
Scientific notation
- Scientific notation: 9.9012288 × 108
Factors of 990122880
Divisors of 990122880
- Number of divisors d(n): 128
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Complete list of divisors:
1 2 3 4 5 6 8 10 12 15 16 20 24 30 32 40 48 60 64 80 96 120 128 149 160 192 240 298 320 384 447 480 596 640 745 894 960 1192 1490 1788 1920 2235 2384 2980 3461 3576 4470 4768 5960 6922 7152 8940 9536 10383 11920 13844 14304 17305 17880 19072 20766 23840 27688 28608 34610 35760 41532 47680 51915 55376 57216 69220 71520 83064 95360 103830 110752 138440 143040 166128 207660 221504 276880 286080 332256 415320 443008 515689 553760 664512 830640 1031378 1107520 1329024 1547067 1661280 2062756 2215040 2578445 3094134 3322560 4125512 5156890 6188268 6645120 7735335 8251024 10313780 12376536 15470670 16502048 20627560 24753072 30941340 33004096 41255120 49506144 61882680 66008192 82510240 99012288 123765360 165020480 198024576 247530720 330040960 495061440 990122880
- Sum of all divisors σ(n): 3178116000
- Sum of proper divisors (its aliquot sum) s(n): 2187993120
- 990122880 is an abundant number, because the sum of its proper divisors (2187993120) is greater than itself. Its abundance is 1197870240
Bases of 990122880
- Binary: 1110110000010000010011100000002
- Hexadecimal: 0x3B041380
- Base-36: GDHRPC
Squares and roots of 990122880
- 990122880 squared (9901228802) is 980343317499494400
- 990122880 cubed (9901228803) is 970660348911353793871872000
-
The
square root of 990122880 is 31466.2180758985 -
The
cube root of 990122880 is 996.6967270693
Scales and comparisons
How big is 990122880?- 990,122,880 seconds is equal to 31 years, 25 weeks, 18 hours, 8 minutes.
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To count from 1 to 990,122,880 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 990122880 cubic inches would be around 83.1 feet tall.
Recreational maths with 990122880
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