385675640
385,675,640 is an even composite number composed of five prime numbers multiplied together.
385675640 is an even composite number. It is composed of five distinct prime numbers multiplied together. It has a total of sixty-four divisors.
Prime factorization of 385675640:
23 × 5 × 7 × 29 × 47497
(2 × 2 × 2 × 5 × 7 × 29 × 47497)See below for interesting mathematical facts about the number 385675640 from the Numbermatics database.
Names of 385675640
- Cardinal: 385675640 can be written as Three hundred eighty-five million, six hundred seventy-five thousand, six hundred forty.
Scientific notation
- Scientific notation: 3.8567564 × 108
Factors of 385675640
Divisors of 385675640
- Number of divisors d(n): 64
-
Complete list of divisors:
1 2 4 5 7 8 10 14 20 28 29 35 40 56 58 70 116 140 145 203 232 280 290 406 580 812 1015 1160 1624 2030 4060 8120 47497 94994 189988 237485 332479 379976 474970 664958 949940 1329916 1377413 1662395 1899880 2659832 2754826 3324790 5509652 6649580 6887065 9641891 11019304 13299160 13774130 19283782 27548260 38567564 48209455 55096520 77135128 96418910 192837820 385675640
- Sum of all divisors σ(n): 1025956800
- Sum of proper divisors (its aliquot sum) s(n): 640281160
- 385675640 is an abundant number, because the sum of its proper divisors (640281160) is greater than itself. Its abundance is 254605520
Bases of 385675640
- Binary: 101101111110011110001011110002
- Hexadecimal: 0x16FCF178
- Base-36: 6DMD88
Squares and roots of 385675640
- 385675640 squared (3856756402) is 148745699289409600
- 385675640 cubed (3856756403) is 57367592770690592702144000
-
The
square root of 385675640 is 19638.6262248661 -
The
cube root of 385675640 is 727.9039391425
Scales and comparisons
How big is 385675640?- 385,675,640 seconds is equal to 12 years, 13 weeks, 4 days, 20 hours, 7 minutes, 20 seconds.
-
To count from 1 to 385,675,640 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 385675640 cubic inches would be around 60.7 feet tall.
Recreational maths with 385675640
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