490643640
490,643,640 is an even composite number composed of five prime numbers multiplied together.
490643640 is an even composite number. It is composed of five distinct prime numbers multiplied together. It has a total of ninety-six divisors.
Prime factorization of 490643640:
23 × 32 × 5 × 997 × 1367
(2 × 2 × 2 × 3 × 3 × 5 × 997 × 1367)See below for interesting mathematical facts about the number 490643640 from the Numbermatics database.
Names of 490643640
- Cardinal: 490643640 can be written as Four hundred ninety million, six hundred forty-three thousand, six hundred forty.
Scientific notation
- Scientific notation: 4.9064364 × 108
Factors of 490643640
Divisors of 490643640
- Number of divisors d(n): 96
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Complete list of divisors:
1 2 3 4 5 6 8 9 10 12 15 18 20 24 30 36 40 45 60 72 90 120 180 360 997 1367 1994 2734 2991 3988 4101 4985 5468 5982 6835 7976 8202 8973 9970 10936 11964 12303 13670 14955 16404 17946 19940 20505 23928 24606 27340 29910 32808 35892 39880 41010 44865 49212 54680 59820 61515 71784 82020 89730 98424 119640 123030 164040 179460 246060 358920 492120 1362899 2725798 4088697 5451596 6814495 8177394 10903192 12266091 13628990 16354788 20443485 24532182 27257980 32709576 40886970 49064364 54515960 61330455 81773940 98128728 122660910 163547880 245321820 490643640
- Sum of all divisors σ(n): 1597358880
- Sum of proper divisors (its aliquot sum) s(n): 1106715240
- 490643640 is an abundant number, because the sum of its proper divisors (1106715240) is greater than itself. Its abundance is 616071600
Bases of 490643640
- Binary: 111010011111010100000101110002
- Hexadecimal: 0x1D3EA0B8
- Base-36: 844720
Squares and roots of 490643640
- 490643640 squared (4906436402) is 240731181472449600
- 490643640 cubed (4906436403) is 118113223139143231460544000
-
The
square root of 490643640 is 22150.4771957627 -
The
cube root of 490643640 is 788.7185548919
Scales and comparisons
How big is 490643640?- 490,643,640 seconds is equal to 15 years, 31 weeks, 1 day, 17 hours, 54 minutes.
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To count from 1 to 490,643,640 would take you about twenty-three 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 490643640 cubic inches would be around 65.7 feet tall.
Recreational maths with 490643640
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