990978750
990,978,750 is an even composite number composed of five prime numbers multiplied together.
990978750 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 990978750:
2 × 32 × 54 × 59 × 1493
(2 × 3 × 3 × 5 × 5 × 5 × 5 × 59 × 1493)See below for interesting mathematical facts about the number 990978750 from the Numbermatics database.
Names of 990978750
- Cardinal: 990978750 can be written as Nine hundred ninety million, nine hundred seventy-eight thousand, seven hundred fifty.
Scientific notation
- Scientific notation: 9.9097875 × 108
Factors of 990978750
Divisors of 990978750
- Number of divisors d(n): 120
-
Complete list of divisors:
1 2 3 5 6 9 10 15 18 25 30 45 50 59 75 90 118 125 150 177 225 250 295 354 375 450 531 590 625 750 885 1062 1125 1250 1475 1493 1770 1875 2250 2655 2950 2986 3750 4425 4479 5310 5625 7375 7465 8850 8958 11250 13275 13437 14750 14930 22125 22395 26550 26874 36875 37325 44250 44790 66375 67185 73750 74650 88087 110625 111975 132750 134370 176174 186625 221250 223950 264261 331875 335925 373250 440435 528522 559875 663750 671850 792783 880870 933125 1119750 1321305 1585566 1679625 1866250 2202175 2642610 2799375 3359250 3963915 4404350 5598750 6606525 7927830 8398125 11010875 13213050 16796250 19819575 22021750 33032625 39639150 55054375 66065250 99097875 110108750 165163125 198195750 330326250 495489375 990978750
- Sum of all divisors σ(n): 2730344760
- Sum of proper divisors (its aliquot sum) s(n): 1739366010
- 990978750 is an abundant number, because the sum of its proper divisors (1739366010) is greater than itself. Its abundance is 748387260
Bases of 990978750
- Binary: 1110110001000100100010101111102
- Hexadecimal: 0x3B1122BE
- Base-36: GE043I
Squares and roots of 990978750
- 990978750 squared (9909787502) is 982038882951562500
- 990978750 cubed (9909787503) is 973179664678735716796875000
-
The
square root of 990978750 is 31479.8149613365 -
The
cube root of 990978750 is 996.9838285227
Scales and comparisons
How big is 990978750?- 990,978,750 seconds is equal to 31 years, 26 weeks, 3 days, 15 hours, 52 minutes, 30 seconds.
-
To count from 1 to 990,978,750 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 990978750 cubic inches would be around 83.1 feet tall.
Recreational maths with 990978750
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