39994470
39,994,470 is an even composite number composed of five prime numbers multiplied together.
39994470 is an even composite number. It is composed of five distinct prime numbers multiplied together. It has a total of seventy-two divisors.
Prime factorization of 39994470:
2 × 32 × 5 × 23 × 1392
(2 × 3 × 3 × 5 × 23 × 139 × 139)See below for interesting mathematical facts about the number 39994470 from the Numbermatics database.
Names of 39994470
- Cardinal: 39994470 can be written as Thirty-nine million, nine hundred ninety-four thousand, four hundred seventy.
Scientific notation
- Scientific notation: 3.999447 × 107
Factors of 39994470
Divisors of 39994470
- Number of divisors d(n): 72
-
Complete list of divisors:
1 2 3 5 6 9 10 15 18 23 30 45 46 69 90 115 138 139 207 230 278 345 414 417 690 695 834 1035 1251 1390 2070 2085 2502 3197 4170 6255 6394 9591 12510 15985 19182 19321 28773 31970 38642 47955 57546 57963 95910 96605 115926 143865 173889 193210 287730 289815 347778 444383 579630 869445 888766 1333149 1738890 2221915 2666298 3999447 4443830 6665745 7998894 13331490 19997235 39994470
- Sum of all divisors σ(n): 109292976
- Sum of proper divisors (its aliquot sum) s(n): 69298506
- 39994470 is an abundant number, because the sum of its proper divisors (69298506) is greater than itself. Its abundance is 29304036
Bases of 39994470
- Binary: 100110001001000100011001102
- Hexadecimal: 0x2624466
- Base-36: NT7XI
Squares and roots of 39994470
- 39994470 squared (399944702) is 1599557630580900
- 39994470 cubed (399944703) is 63973459669538887623000
-
The
square root of 39994470 is 6324.1181203389 -
The
cube root of 39994470 is 341.9794283307
Scales and comparisons
How big is 39994470?- 39,994,470 seconds is equal to 1 year, 14 weeks, 21 hours, 34 minutes, 30 seconds.
-
To count from 1 to 39,994,470 would take you about forty-seven 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 39994470 cubic inches would be around 28.5 feet tall.
Recreational maths with 39994470
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