38428756920
38,428,756,920 is an even composite number composed of five prime numbers multiplied together.
38428756920 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 38428756920:
23 × 32 × 5 × 31 × 3443437
(2 × 2 × 2 × 3 × 3 × 5 × 31 × 3443437)See below for interesting mathematical facts about the number 38428756920 from the Numbermatics database.
Names of 38428756920
- Cardinal: 38428756920 can be written as Thirty-eight billion, four hundred twenty-eight million, seven hundred fifty-six thousand, nine hundred twenty.
Scientific notation
- Scientific notation: 3.842875692 × 1010
Factors of 38428756920
Divisors of 38428756920
- Number of divisors d(n): 96
-
Complete list of divisors:
1 2 3 4 5 6 8 9 10 12 15 18 20 24 30 31 36 40 45 60 62 72 90 93 120 124 155 180 186 248 279 310 360 372 465 558 620 744 930 1116 1240 1395 1860 2232 2790 3720 5580 11160 3443437 6886874 10330311 13773748 17217185 20660622 27547496 30990933 34434370 41321244 51651555 61981866 68868740 82642488 103303110 106746547 123963732 137737480 154954665 206606220 213493094 247927464 309909330 320239641 413212440 426986188 533732735 619818660 640479282 853972376 960718923 1067465470 1239637320 1280958564 1601198205 1921437846 2134930940 2561917128 3202396410 3842875692 4269861880 4803594615 6404792820 7685751384 9607189230 12809585640 19214378460 38428756920
- Sum of all divisors σ(n): 128922318720
- Sum of proper divisors (its aliquot sum) s(n): 90493561800
- 38428756920 is an abundant number, because the sum of its proper divisors (90493561800) is greater than itself. Its abundance is 52064804880
Bases of 38428756920
- Binary: 1000111100101000100001001011101110002
- Hexadecimal: 0x8F2884BB8
- Base-36: HNJHMM0
Squares and roots of 38428756920
- 38428756920 squared (384287569202) is 1476769358416447886400
- 38428756920 cubed (384287569203) is 56750410701490031956313373888000
-
The
square root of 38428756920 is 196032.5404620365 -
The
cube root of 38428756920 is 3374.5726220973
Scales and comparisons
How big is 38428756920?- 38,428,756,920 seconds is equal to 1,221 years, 47 weeks, 4 days, 6 hours, 42 minutes.
-
To count from 1 to 38,428,756,920 would take you about two thousand, four hundred forty-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 38428756920 cubic inches would be around 281.2 feet tall.
Recreational maths with 38428756920
- 38428756920 backwards is 02965782483
- The number of decimal digits it has is: 11
- The sum of 38428756920's digits is 54
- More coming soon!
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