990661750
990,661,750 is an even composite number composed of six prime numbers multiplied together.
990661750 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 990661750:
2 × 53 × 13 × 23 × 29 × 457
(2 × 5 × 5 × 5 × 13 × 23 × 29 × 457)See below for interesting mathematical facts about the number 990661750 from the Numbermatics database.
Names of 990661750
- Cardinal: 990661750 can be written as Nine hundred ninety million, six hundred sixty-one thousand, seven hundred fifty.
Scientific notation
- Scientific notation: 9.9066175 × 108
Factors of 990661750
Divisors of 990661750
- Number of divisors d(n): 128
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Complete list of divisors:
1 2 5 10 13 23 25 26 29 46 50 58 65 115 125 130 145 230 250 290 299 325 377 457 575 598 650 667 725 754 914 1150 1334 1450 1495 1625 1885 2285 2875 2990 3250 3335 3625 3770 4570 5750 5941 6670 7250 7475 8671 9425 10511 11425 11882 13253 14950 16675 17342 18850 21022 22850 26506 29705 33350 37375 43355 47125 52555 57125 59410 66265 74750 83375 86710 94250 105110 114250 132530 136643 148525 166750 172289 216775 262775 273286 297050 304819 331325 344578 433550 525550 609638 662650 683215 742625 861445 1083875 1313875 1366430 1485250 1524095 1656625 1722890 2167750 2627750 3048190 3313250 3416075 3962647 4307225 6832150 7620475 7925294 8614450 15240950 17080375 19813235 21536125 34160750 38102375 39626470 43072250 76204750 99066175 198132350 495330875 990661750
- Sum of all divisors σ(n): 2160587520
- Sum of proper divisors (its aliquot sum) s(n): 1169925770
- 990661750 is an abundant number, because the sum of its proper divisors (1169925770) is greater than itself. Its abundance is 179264020
Bases of 990661750
- Binary: 1110110000110001001100011101102
- Hexadecimal: 0x3B0C4C76
- Base-36: GDTBHY
Squares and roots of 990661750
- 990661750 squared (9906617502) is 981410702913062500
- 990661750 cubed (9906617503) is 972246044416584594109375000
-
The
square root of 990661750 is 31474.7795862021 -
The
cube root of 990661750 is 996.8775102055
Scales and comparisons
How big is 990661750?- 990,661,750 seconds is equal to 31 years, 25 weeks, 6 days, 23 hours, 49 minutes, 10 seconds.
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To count from 1 to 990,661,750 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 990661750 cubic inches would be around 83.1 feet tall.
Recreational maths with 990661750
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