30949974
30,949,974 is an even composite number composed of five prime numbers multiplied together.
30949974 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 30949974:
2 × 32 × 11 × 192 × 433
(2 × 3 × 3 × 11 × 19 × 19 × 433)See below for interesting mathematical facts about the number 30949974 from the Numbermatics database.
Names of 30949974
- Cardinal: 30949974 can be written as Thirty million, nine hundred forty-nine thousand, nine hundred seventy-four.
Scientific notation
- Scientific notation: 3.0949974 × 107
Factors of 30949974
Divisors of 30949974
- Number of divisors d(n): 72
-
Complete list of divisors:
1 2 3 6 9 11 18 19 22 33 38 57 66 99 114 171 198 209 342 361 418 433 627 722 866 1083 1254 1299 1881 2166 2598 3249 3762 3897 3971 4763 6498 7794 7942 8227 9526 11913 14289 16454 23826 24681 28578 35739 42867 49362 71478 74043 85734 90497 148086 156313 180994 271491 312626 468939 542982 814473 937878 1406817 1628946 1719443 2813634 3438886 5158329 10316658 15474987 30949974
- Sum of all divisors σ(n): 77385672
- Sum of proper divisors (its aliquot sum) s(n): 46435698
- 30949974 is an abundant number, because the sum of its proper divisors (46435698) is greater than itself. Its abundance is 15485724
Bases of 30949974
- Binary: 11101100001000010010101102
- Hexadecimal: 0x1D84256
- Base-36: IFD5I
Squares and roots of 30949974
- 30949974 squared (309499742) is 957900890600676
- 30949974 cubed (309499743) is 29647007658667766582424
-
The
square root of 30949974 is 5563.2700815257 -
The
cube root of 30949974 is 313.9689950047
Scales and comparisons
How big is 30949974?- 30,949,974 seconds is equal to 51 weeks, 1 day, 5 hours, 12 minutes, 54 seconds.
-
To count from 1 to 30,949,974 would take you about twenty-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 30949974 cubic inches would be around 26.2 feet tall.
Recreational maths with 30949974
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