990898720
990,898,720 is an even composite number composed of six prime numbers multiplied together.
990898720 is an even composite number. It is composed of six distinct prime numbers multiplied together. It has a total of one hundred ninety-two divisors.
Prime factorization of 990898720:
25 × 5 × 7 × 17 × 71 × 733
(2 × 2 × 2 × 2 × 2 × 5 × 7 × 17 × 71 × 733)See below for interesting mathematical facts about the number 990898720 from the Numbermatics database.
Names of 990898720
- Cardinal: 990898720 can be written as Nine hundred ninety million, eight hundred ninety-eight thousand, seven hundred twenty.
Scientific notation
- Scientific notation: 9.9089872 × 108
Factors of 990898720
Divisors of 990898720
- Number of divisors d(n): 192
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Complete list of divisors:
1 2 4 5 7 8 10 14 16 17 20 28 32 34 35 40 56 68 70 71 80 85 112 119 136 140 142 160 170 224 238 272 280 284 340 355 476 497 544 560 568 595 680 710 733 952 994 1120 1136 1190 1207 1360 1420 1466 1904 1988 2272 2380 2414 2485 2720 2840 2932 3665 3808 3976 4760 4828 4970 5131 5680 5864 6035 7330 7952 8449 9520 9656 9940 10262 11360 11728 12070 12461 14660 15904 16898 19040 19312 19880 20524 23456 24140 24922 25655 29320 33796 38624 39760 41048 42245 48280 49844 51310 52043 58640 62305 67592 79520 82096 84490 87227 96560 99688 102620 104086 117280 124610 135184 164192 168980 174454 193120 199376 205240 208172 249220 260215 270368 337960 348908 364301 398752 410480 416344 436135 498440 520430 675920 697816 728602 820960 832688 872270 884731 996880 1040860 1351840 1395632 1457204 1665376 1744540 1769462 1821505 1993760 2081720 2791264 2914408 3489080 3538924 3643010 4163440 4423655 5828816 6193117 6978160 7077848 7286020 8326880 8847310 11657632 12386234 13956320 14155696 14572040 17694620 24772468 28311392 29144080 30965585 35389240 49544936 58288160 61931170 70778480 99089872 123862340 141556960 198179744 247724680 495449360 990898720
- Sum of all divisors σ(n): 2876622336
- Sum of proper divisors (its aliquot sum) s(n): 1885723616
- 990898720 is an abundant number, because the sum of its proper divisors (1885723616) is greater than itself. Its abundance is 894824896
Bases of 990898720
- Binary: 1110110000111111101010001000002
- Hexadecimal: 0x3B0FEA20
- Base-36: GDYECG
Squares and roots of 990898720
- 990898720 squared (9908987202) is 981880273297638400
- 990898720 cubed (9908987203) is 972943906003880069582848000
-
The
square root of 990898720 is 31478.5438036771 -
The
cube root of 990898720 is 996.9569894797
Scales and comparisons
How big is 990898720?- 990,898,720 seconds is equal to 31 years, 26 weeks, 2 days, 17 hours, 38 minutes, 40 seconds.
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To count from 1 to 990,898,720 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 990898720 cubic inches would be around 83.1 feet tall.
Recreational maths with 990898720
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