990993960
990,993,960 is an even composite number composed of five prime numbers multiplied together.
990993960 is an even composite number. It is composed of five distinct prime numbers multiplied together. It has a total of one hundred twenty-eight divisors.
Prime factorization of 990993960:
23 × 33 × 5 × 11 × 83417
(2 × 2 × 2 × 3 × 3 × 3 × 5 × 11 × 83417)See below for interesting mathematical facts about the number 990993960 from the Numbermatics database.
Names of 990993960
- Cardinal: 990993960 can be written as Nine hundred ninety million, nine hundred ninety-three thousand, nine hundred sixty.
Scientific notation
- Scientific notation: 9.9099396 × 108
Factors of 990993960
Divisors of 990993960
- Number of divisors d(n): 128
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Complete list of divisors:
1 2 3 4 5 6 8 9 10 11 12 15 18 20 22 24 27 30 33 36 40 44 45 54 55 60 66 72 88 90 99 108 110 120 132 135 165 180 198 216 220 264 270 297 330 360 396 440 495 540 594 660 792 990 1080 1188 1320 1485 1980 2376 2970 3960 5940 11880 83417 166834 250251 333668 417085 500502 667336 750753 834170 917587 1001004 1251255 1501506 1668340 1835174 2002008 2252259 2502510 2752761 3003012 3336680 3670348 3753765 4504518 4587935 5005020 5505522 6006024 7340696 7507530 8258283 9009036 9175870 10010040 11011044 11261295 13763805 15015060 16516566 18018072 18351740 22022088 22522590 24774849 27527610 30030120 33033132 36703480 41291415 45045180 49549698 55055220 66066264 82582830 90090360 99099396 110110440 123874245 165165660 198198792 247748490 330331320 495496980 990993960
- Sum of all divisors σ(n): 3603657600
- Sum of proper divisors (its aliquot sum) s(n): 2612663640
- 990993960 is an abundant number, because the sum of its proper divisors (2612663640) is greater than itself. Its abundance is 1621669680
Bases of 990993960
- Binary: 1110110001000101011110001010002
- Hexadecimal: 0x3B115E28
- Base-36: GE0FU0
Squares and roots of 990993960
- 990993960 squared (9909939602) is 982069028756481600
- 990993960 cubed (9909939603) is 973224475800739576451136000
-
The
square root of 990993960 is 31480.0565437865 -
The
cube root of 990993960 is 996.9889292193
Scales and comparisons
How big is 990993960?- 990,993,960 seconds is equal to 31 years, 26 weeks, 3 days, 20 hours, 6 minutes.
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To count from 1 to 990,993,960 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 990993960 cubic inches would be around 83.1 feet tall.
Recreational maths with 990993960
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