990813750
990,813,750 is an even composite number composed of five prime numbers multiplied together.
990813750 is an even composite number. It is composed of five distinct prime numbers multiplied together. It has a total of one hundred twenty divisors.
Prime factorization of 990813750:
2 × 3 × 54 × 372 × 193
(2 × 3 × 5 × 5 × 5 × 5 × 37 × 37 × 193)See below for interesting mathematical facts about the number 990813750 from the Numbermatics database.
Names of 990813750
- Cardinal: 990813750 can be written as Nine hundred ninety million, eight hundred thirteen thousand, seven hundred fifty.
Scientific notation
- Scientific notation: 9.9081375 × 108
Factors of 990813750
Divisors of 990813750
- Number of divisors d(n): 120
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Complete list of divisors:
1 2 3 5 6 10 15 25 30 37 50 74 75 111 125 150 185 193 222 250 370 375 386 555 579 625 750 925 965 1110 1158 1250 1369 1850 1875 1930 2738 2775 2895 3750 4107 4625 4825 5550 5790 6845 7141 8214 9250 9650 13690 13875 14282 14475 20535 21423 23125 24125 27750 28950 34225 35705 41070 42846 46250 48250 68450 69375 71410 72375 102675 107115 120625 138750 144750 171125 178525 205350 214230 241250 264217 342250 357050 361875 513375 528434 535575 723750 792651 855625 892625 1026750 1071150 1321085 1585302 1711250 1785250 2566875 2642170 2677875 3963255 4463125 5133750 5355750 6605425 7926510 8926250 13210850 13389375 19816275 26778750 33027125 39632550 66054250 99081375 165135625 198162750 330271250 495406875 990813750
- Sum of all divisors σ(n): 2558162376
- Sum of proper divisors (its aliquot sum) s(n): 1567348626
- 990813750 is an abundant number, because the sum of its proper divisors (1567348626) is greater than itself. Its abundance is 576534876
Bases of 990813750
- Binary: 1110110000111010011110001101102
- Hexadecimal: 0x3B0E9E36
- Base-36: GDWKS6
Squares and roots of 990813750
- 990813750 squared (9908137502) is 981711887189062500
- 990813750 cubed (9908137503) is 972693636365371974609375000
-
The
square root of 990813750 is 31477.1941252711 -
The
cube root of 990813750 is 996.9284921653
Scales and comparisons
How big is 990813750?- 990,813,750 seconds is equal to 31 years, 26 weeks, 1 day, 18 hours, 2 minutes, 30 seconds.
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To count from 1 to 990,813,750 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 990813750 cubic inches would be around 83.1 feet tall.
Recreational maths with 990813750
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