990025155
990,025,155 is an odd composite number composed of six prime numbers multiplied together.
990025155 is an odd composite number. It is composed of six distinct prime numbers multiplied together. It has a total of one hundred forty-four divisors.
Prime factorization of 990025155:
32 × 5 × 72 × 41 × 47 × 233
(3 × 3 × 5 × 7 × 7 × 41 × 47 × 233)See below for interesting mathematical facts about the number 990025155 from the Numbermatics database.
Names of 990025155
- Cardinal: 990025155 can be written as Nine hundred ninety million, twenty-five thousand, one hundred fifty-five.
Scientific notation
- Scientific notation: 9.90025155 × 108
Factors of 990025155
Divisors of 990025155
- Number of divisors d(n): 144
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Complete list of divisors:
1 3 5 7 9 15 21 35 41 45 47 49 63 105 123 141 147 205 233 235 245 287 315 329 369 423 441 615 699 705 735 861 987 1165 1435 1631 1645 1845 1927 2009 2097 2115 2205 2303 2583 2961 3495 4305 4893 4935 5781 6027 6909 8155 9553 9635 10045 10485 10951 11417 11515 12915 13489 14679 14805 17343 18081 20727 24465 28659 28905 30135 32853 34251 34545 40467 47765 54755 57085 66871 67445 73395 76657 85977 86715 90405 94423 98559 102753 103635 121401 143295 164265 171255 200613 202335 229971 283269 334355 383285 429885 448991 468097 472115 492795 513765 536599 601839 607005 689913 849807 1003065 1149855 1346973 1404291 1416345 1609797 2244955 2340485 2682995 3009195 3142937 3449565 4040919 4212873 4249035 4829391 6734865 7021455 8048985 9428811 15714685 20204595 21064365 22000559 24146955 28286433 47144055 66001677 110002795 141432165 198005031 330008385 990025155
- Sum of all divisors σ(n): 2097373824
- Sum of proper divisors (its aliquot sum) s(n): 1107348669
- 990025155 is an abundant number, because the sum of its proper divisors (1107348669) is greater than itself. Its abundance is 117323514
Bases of 990025155
- Binary: 1110110000001010010101110000112
- Hexadecimal: 0x3B0295C3
- Base-36: GDFOAR
Squares and roots of 990025155
- 990025155 squared (9900251552) is 980149807532774025
- 990025155 cubed (9900251553) is 970372965125854771680598875
-
The
square root of 990025155 is 31464.6651817557 -
The
cube root of 990025155 is 996.6639347113
Scales and comparisons
How big is 990025155?- 990,025,155 seconds is equal to 31 years, 24 weeks, 6 days, 14 hours, 59 minutes, 15 seconds.
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To count from 1 to 990,025,155 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 990025155 cubic inches would be around 83.1 feet tall.
Recreational maths with 990025155
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