30642120
30,642,120 is an even composite number composed of five prime numbers multiplied together.
30642120 is an even composite number. It is composed of five distinct prime numbers multiplied together. It has a total of ninety-six divisors.
Prime factorization of 30642120:
23 × 32 × 5 × 47 × 1811
(2 × 2 × 2 × 3 × 3 × 5 × 47 × 1811)See below for interesting mathematical facts about the number 30642120 from the Numbermatics database.
Names of 30642120
- Cardinal: 30642120 can be written as Thirty million, six hundred forty-two thousand, one hundred twenty.
Scientific notation
- Scientific notation: 3.064212 × 107
Factors of 30642120
Divisors of 30642120
- Number of divisors d(n): 96
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Complete list of divisors:
1 2 3 4 5 6 8 9 10 12 15 18 20 24 30 36 40 45 47 60 72 90 94 120 141 180 188 235 282 360 376 423 470 564 705 846 940 1128 1410 1692 1811 1880 2115 2820 3384 3622 4230 5433 5640 7244 8460 9055 10866 14488 16299 16920 18110 21732 27165 32598 36220 43464 54330 65196 72440 81495 85117 108660 130392 162990 170234 217320 255351 325980 340468 425585 510702 651960 680936 766053 851170 1021404 1276755 1532106 1702340 2042808 2553510 3064212 3404680 3830265 5107020 6128424 7660530 10214040 15321060 30642120
- Sum of all divisors σ(n): 101761920
- Sum of proper divisors (its aliquot sum) s(n): 71119800
- 30642120 is an abundant number, because the sum of its proper divisors (71119800) is greater than itself. Its abundance is 40477680
Bases of 30642120
- Binary: 11101001110001111110010002
- Hexadecimal: 0x1D38FC8
- Base-36: I8RM0
Squares and roots of 30642120
- 30642120 squared (306421202) is 938939518094400
- 30642120 cubed (306421203) is 28771097386190776128000
-
The
square root of 30642120 is 5535.5324947107 -
The
cube root of 30642120 is 312.9245259607
Scales and comparisons
How big is 30642120?- 30,642,120 seconds is equal to 50 weeks, 4 days, 15 hours, 42 minutes.
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To count from 1 to 30,642,120 would take you about twenty-three 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 30642120 cubic inches would be around 26.1 feet tall.
Recreational maths with 30642120
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