990257994
990,257,994 is an even composite number composed of six prime numbers multiplied together.
990257994 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 990257994:
2 × 33 × 11 × 41 × 73 × 557
(2 × 3 × 3 × 3 × 11 × 41 × 73 × 557)See below for interesting mathematical facts about the number 990257994 from the Numbermatics database.
Names of 990257994
- Cardinal: 990257994 can be written as Nine hundred ninety million, two hundred fifty-seven thousand, nine hundred ninety-four.
Scientific notation
- Scientific notation: 9.90257994 × 108
Factors of 990257994
Divisors of 990257994
- Number of divisors d(n): 128
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Complete list of divisors:
1 2 3 6 9 11 18 22 27 33 41 54 66 73 82 99 123 146 198 219 246 297 369 438 451 557 594 657 738 803 902 1107 1114 1314 1353 1606 1671 1971 2214 2409 2706 2993 3342 3942 4059 4818 5013 5986 6127 7227 8118 8979 10026 12177 12254 14454 15039 17958 18381 21681 22837 24354 26937 30078 32923 36762 40661 43362 45674 53874 55143 65846 68511 80811 81322 98769 110286 121983 137022 161622 165429 197538 205533 243966 251207 296307 330858 365949 411066 447271 502414 592614 616599 731898 753621 888921 894542 1097847 1233198 1341813 1507242 1667101 1777842 2195694 2260863 2683626 3334202 4025439 4521726 5001303 6782589 8050878 10002606 12076317 13565178 15003909 18338111 24152634 30007818 36676222 45011727 55014333 90023454 110028666 165042999 330085998 495128997 990257994
- Sum of all divisors σ(n): 2497340160
- Sum of proper divisors (its aliquot sum) s(n): 1507082166
- 990257994 is an abundant number, because the sum of its proper divisors (1507082166) is greater than itself. Its abundance is 516824172
Bases of 990257994
- Binary: 1110110000011000100011010010102
- Hexadecimal: 0x3B06234A
- Base-36: GDKNYI
Squares and roots of 990257994
- 990257994 squared (9902579942) is 980610894680904036
- 990257994 cubed (9902579943) is 971057777461257300795863784
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The
square root of 990257994 is 31468.3649718253 -
The
cube root of 990257994 is 996.7420620337
Scales and comparisons
How big is 990257994?- 990,257,994 seconds is equal to 31 years, 25 weeks, 2 days, 7 hours, 39 minutes, 54 seconds.
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To count from 1 to 990,257,994 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 990257994 cubic inches would be around 83.1 feet tall.
Recreational maths with 990257994
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