381325640
381,325,640 is an even composite number composed of six prime numbers multiplied together.
381325640 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 381325640:
23 × 5 × 17 × 29 × 61 × 317
(2 × 2 × 2 × 5 × 17 × 29 × 61 × 317)See below for interesting mathematical facts about the number 381325640 from the Numbermatics database.
Names of 381325640
- Cardinal: 381325640 can be written as Three hundred eighty-one million, three hundred twenty-five thousand, six hundred forty.
Scientific notation
- Scientific notation: 3.8132564 × 108
Factors of 381325640
Divisors of 381325640
- Number of divisors d(n): 128
-
Complete list of divisors:
1 2 4 5 8 10 17 20 29 34 40 58 61 68 85 116 122 136 145 170 232 244 290 305 317 340 488 493 580 610 634 680 986 1037 1160 1220 1268 1585 1769 1972 2074 2440 2465 2536 3170 3538 3944 4148 4930 5185 5389 6340 7076 8296 8845 9193 9860 10370 10778 12680 14152 17690 18386 19337 19720 20740 21556 26945 30073 35380 36772 38674 41480 43112 45965 53890 60146 70760 73544 77348 91930 96685 107780 120292 150365 154696 156281 183860 193370 215560 240584 300730 312562 328729 367720 386740 560773 601460 625124 657458 773480 781405 1121546 1202920 1250248 1314916 1562810 1643645 2243092 2629832 2803865 3125620 3287290 4486184 5607730 6251240 6574580 9533141 11215460 13149160 19066282 22430920 38132564 47665705 76265128 95331410 190662820 381325640
- Sum of all divisors σ(n): 958197600
- Sum of proper divisors (its aliquot sum) s(n): 576871960
- 381325640 is an abundant number, because the sum of its proper divisors (576871960) is greater than itself. Its abundance is 195546320
Bases of 381325640
- Binary: 101101011101010010001010010002
- Hexadecimal: 0x16BA9148
- Base-36: 6B14QW
Squares and roots of 381325640
- 381325640 squared (3813256402) is 145409243721409600
- 381325640 cubed (3813256403) is 55448272923982497422144000
-
The
square root of 381325640 is 19527.5610356235 -
The
cube root of 381325640 is 725.1569315459
Scales and comparisons
How big is 381325640?- 381,325,640 seconds is equal to 12 years, 6 weeks, 3 days, 11 hours, 47 minutes, 20 seconds.
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To count from 1 to 381,325,640 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 381325640 cubic inches would be around 60.4 feet tall.
Recreational maths with 381325640
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