29971620
29,971,620 is an even composite number composed of five prime numbers multiplied together.
29971620 is an even composite number. It is composed of five distinct prime numbers multiplied together. It has a total of one hundred forty-four divisors.
Prime factorization of 29971620:
22 × 35 × 5 × 7 × 881
(2 × 2 × 3 × 3 × 3 × 3 × 3 × 5 × 7 × 881)See below for interesting mathematical facts about the number 29971620 from the Numbermatics database.
Names of 29971620
- Cardinal: 29971620 can be written as Twenty-nine million, nine hundred seventy-one thousand, six hundred twenty.
Scientific notation
- Scientific notation: 2.997162 × 107
Factors of 29971620
Divisors of 29971620
- Number of divisors d(n): 144
-
Complete list of divisors:
1 2 3 4 5 6 7 9 10 12 14 15 18 20 21 27 28 30 35 36 42 45 54 60 63 70 81 84 90 105 108 126 135 140 162 180 189 210 243 252 270 315 324 378 405 420 486 540 567 630 756 810 881 945 972 1134 1215 1260 1620 1701 1762 1890 2268 2430 2643 2835 3402 3524 3780 4405 4860 5286 5670 6167 6804 7929 8505 8810 10572 11340 12334 13215 15858 17010 17620 18501 23787 24668 26430 30835 31716 34020 37002 39645 47574 52860 55503 61670 71361 74004 79290 92505 95148 111006 118935 123340 142722 158580 166509 185010 214083 222012 237870 277515 285444 333018 356805 370020 428166 475740 499527 555030 666036 713610 832545 856332 999054 1070415 1110060 1427220 1498581 1665090 1998108 2140830 2497635 2997162 3330180 4281660 4995270 5994324 7492905 9990540 14985810 29971620
- Sum of all divisors σ(n): 107872128
- Sum of proper divisors (its aliquot sum) s(n): 77900508
- 29971620 is an abundant number, because the sum of its proper divisors (77900508) is greater than itself. Its abundance is 47928888
Bases of 29971620
- Binary: 11100100101010100101001002
- Hexadecimal: 0x1C954A4
- Base-36: HUE90
Squares and roots of 29971620
- 29971620 squared (299716202) is 898298005424400
- 29971620 cubed (299716203) is 26923446465338055528000
-
The
square root of 29971620 is 5474.6342343577 -
The
cube root of 29971620 is 310.6252382839
Scales and comparisons
How big is 29971620?- 29,971,620 seconds is equal to 49 weeks, 3 days, 21 hours, 27 minutes.
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To count from 1 to 29,971,620 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 29971620 cubic inches would be around 25.9 feet tall.
Recreational maths with 29971620
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