29971900
29,971,900 is an even composite number composed of five prime numbers multiplied together.
29971900 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 29971900:
22 × 52 × 7 × 47 × 911
(2 × 2 × 5 × 5 × 7 × 47 × 911)See below for interesting mathematical facts about the number 29971900 from the Numbermatics database.
Names of 29971900
- Cardinal: 29971900 can be written as Twenty-nine million, nine hundred seventy-one thousand, nine hundred.
Scientific notation
- Scientific notation: 2.99719 × 107
Factors of 29971900
Divisors of 29971900
- Number of divisors d(n): 72
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Complete list of divisors:
1 2 4 5 7 10 14 20 25 28 35 47 50 70 94 100 140 175 188 235 329 350 470 658 700 911 940 1175 1316 1645 1822 2350 3290 3644 4555 4700 6377 6580 8225 9110 12754 16450 18220 22775 25508 31885 32900 42817 45550 63770 85634 91100 127540 159425 171268 214085 299719 318850 428170 599438 637700 856340 1070425 1198876 1498595 2140850 2997190 4281700 5994380 7492975 14985950 29971900
- Sum of all divisors σ(n): 75995136
- Sum of proper divisors (its aliquot sum) s(n): 46023236
- 29971900 is an abundant number, because the sum of its proper divisors (46023236) is greater than itself. Its abundance is 16051336
Bases of 29971900
- Binary: 11100100101010101101111002
- Hexadecimal: 0x1C955BC
- Base-36: HUEGS
Squares and roots of 29971900
- 29971900 squared (299719002) is 898314789610000
- 29971900 cubed (299719003) is 26924201042711959000000
-
The
square root of 29971900 is 5474.6598067827 -
The
cube root of 29971900 is 310.6262055855
Scales and comparisons
How big is 29971900?- 29,971,900 seconds is equal to 49 weeks, 3 days, 21 hours, 31 minutes, 40 seconds.
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To count from 1 to 29,971,900 would take you about twenty-two 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 29971900 cubic inches would be around 25.9 feet tall.
Recreational maths with 29971900
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