29729920
29,729,920 is an even composite number composed of five prime numbers multiplied together.
29729920 is an even composite number. It is composed of five distinct prime numbers multiplied together. It has a total of one hundred twenty-eight divisors.
Prime factorization of 29729920:
27 × 5 × 11 × 41 × 103
(2 × 2 × 2 × 2 × 2 × 2 × 2 × 5 × 11 × 41 × 103)See below for interesting mathematical facts about the number 29729920 from the Numbermatics database.
Names of 29729920
- Cardinal: 29729920 can be written as Twenty-nine million, seven hundred twenty-nine thousand, nine hundred twenty.
Scientific notation
- Scientific notation: 2.972992 × 107
Factors of 29729920
Divisors of 29729920
- Number of divisors d(n): 128
-
Complete list of divisors:
1 2 4 5 8 10 11 16 20 22 32 40 41 44 55 64 80 82 88 103 110 128 160 164 176 205 206 220 320 328 352 410 412 440 451 515 640 656 704 820 824 880 902 1030 1133 1312 1408 1640 1648 1760 1804 2060 2255 2266 2624 3280 3296 3520 3608 4120 4223 4510 4532 5248 5665 6560 6592 7040 7216 8240 8446 9020 9064 11330 13120 13184 14432 16480 16892 18040 18128 21115 22660 26240 28864 32960 33784 36080 36256 42230 45320 46453 57728 65920 67568 72160 72512 84460 90640 92906 135136 144320 145024 168920 181280 185812 232265 270272 288640 337840 362560 371624 464530 540544 675680 725120 743248 929060 1351360 1486496 1858120 2702720 2972992 3716240 5945984 7432480 14864960 29729920
- Sum of all divisors σ(n): 80196480
- Sum of proper divisors (its aliquot sum) s(n): 50466560
- 29729920 is an abundant number, because the sum of its proper divisors (50466560) is greater than itself. Its abundance is 20736640
Bases of 29729920
- Binary: 11100010110100100100000002
- Hexadecimal: 0x1C5A480
- Base-36: HP7R4
Squares and roots of 29729920
- 29729920 squared (297299202) is 883868143206400
- 29729920 cubed (297299203) is 26277329188074815488000
-
The
square root of 29729920 is 5452.5150160269 -
The
cube root of 29729920 is 309.7879923989
Scales and comparisons
How big is 29729920?- 29,729,920 seconds is equal to 49 weeks, 1 day, 2 hours, 18 minutes, 40 seconds.
-
To count from 1 to 29,729,920 would take you about twenty-one 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 29729920 cubic inches would be around 25.8 feet tall.
Recreational maths with 29729920
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