385825690
385,825,690 is an even composite number composed of six prime numbers multiplied together.
385825690 is an even composite number. It is composed of six distinct prime numbers multiplied together. It has a total of sixty-four divisors.
Prime factorization of 385825690:
2 × 5 × 23 × 31 × 53 × 1021
See below for interesting mathematical facts about the number 385825690 from the Numbermatics database.
Names of 385825690
- Cardinal: 385825690 can be written as Three hundred eighty-five million, eight hundred twenty-five thousand, six hundred ninety.
Scientific notation
- Scientific notation: 3.8582569 × 108
Factors of 385825690
Divisors of 385825690
- Number of divisors d(n): 64
-
Complete list of divisors:
1 2 5 10 23 31 46 53 62 106 115 155 230 265 310 530 713 1021 1219 1426 1643 2042 2438 3286 3565 5105 6095 7130 8215 10210 12190 16430 23483 31651 37789 46966 54113 63302 75578 108226 117415 158255 188945 234830 270565 316510 377890 541130 727973 1244599 1455946 1677503 2489198 3355006 3639865 6222995 7279730 8387515 12445990 16775030 38582569 77165138 192912845 385825690
- Sum of all divisors σ(n): 762918912
- Sum of proper divisors (its aliquot sum) s(n): 377093222
- 385825690 is a deficient number, because the sum of its proper divisors (377093222) is less than itself. Its deficiency is 8732468
Bases of 385825690
- Binary: 101101111111100111011100110102
- Hexadecimal: 0x16FF3B9A
- Base-36: 6DPL0A
Squares and roots of 385825690
- 385825690 squared (3858256902) is 148861463063976100
- 385825690 cubed (3858256903) is 57434576701068092926009000
-
The
square root of 385825690 is 19642.4461307649 -
The
cube root of 385825690 is 727.9983257317
Scales and comparisons
How big is 385825690?- 385,825,690 seconds is equal to 12 years, 13 weeks, 6 days, 13 hours, 48 minutes, 10 seconds.
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To count from 1 to 385,825,690 would take you about eighteen 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 385825690 cubic inches would be around 60.7 feet tall.
Recreational maths with 385825690
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