38994090
38,994,090 is an even composite number composed of six prime numbers multiplied together.
38994090 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 38994090:
2 × 3 × 5 × 17 × 157 × 487
See below for interesting mathematical facts about the number 38994090 from the Numbermatics database.
Names of 38994090
- Cardinal: 38994090 can be written as Thirty-eight million, nine hundred ninety-four thousand and ninety.
Scientific notation
- Scientific notation: 3.899409 × 107
Factors of 38994090
Divisors of 38994090
- Number of divisors d(n): 64
-
Complete list of divisors:
1 2 3 5 6 10 15 17 30 34 51 85 102 157 170 255 314 471 487 510 785 942 974 1461 1570 2355 2435 2669 2922 4710 4870 5338 7305 8007 8279 13345 14610 16014 16558 24837 26690 40035 41395 49674 76459 80070 82790 124185 152918 229377 248370 382295 458754 764590 1146885 1299803 2293770 2599606 3899409 6499015 7798818 12998030 19497045 38994090
- Sum of all divisors σ(n): 99926784
- Sum of proper divisors (its aliquot sum) s(n): 60932694
- 38994090 is an abundant number, because the sum of its proper divisors (60932694) is greater than itself. Its abundance is 21938604
Bases of 38994090
- Binary: 100101001100000000101010102
- Hexadecimal: 0x25300AA
- Base-36: N7S16
Squares and roots of 38994090
- 38994090 squared (389940902) is 1520539054928100
- 38994090 cubed (389940903) is 59292036756381274929000
-
The
square root of 38994090 is 6244.5248017763 -
The
cube root of 38994090 is 339.1040134705
Scales and comparisons
How big is 38994090?- 38,994,090 seconds is equal to 1 year, 12 weeks, 3 days, 7 hours, 41 minutes, 30 seconds.
-
To count from 1 to 38,994,090 would take you about forty-four weeks!
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 38994090 cubic inches would be around 28.3 feet tall.
Recreational maths with 38994090
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