30840000
30,840,000 is an even composite number composed of four prime numbers multiplied together.
30840000 is an even composite number. It is composed of four distinct prime numbers multiplied together. It has a total of one hundred forty divisors.
Prime factorization of 30840000:
26 × 3 × 54 × 257
(2 × 2 × 2 × 2 × 2 × 2 × 3 × 5 × 5 × 5 × 5 × 257)See below for interesting mathematical facts about the number 30840000 from the Numbermatics database.
Names of 30840000
- Cardinal: 30840000 can be written as Thirty million, eight hundred forty thousand.
Scientific notation
- Scientific notation: 3.084 × 107
Factors of 30840000
Divisors of 30840000
- Number of divisors d(n): 140
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Complete list of divisors:
1 2 3 4 5 6 8 10 12 15 16 20 24 25 30 32 40 48 50 60 64 75 80 96 100 120 125 150 160 192 200 240 250 257 300 320 375 400 480 500 514 600 625 750 771 800 960 1000 1028 1200 1250 1285 1500 1542 1600 1875 2000 2056 2400 2500 2570 3000 3084 3750 3855 4000 4112 4800 5000 5140 6000 6168 6425 7500 7710 8000 8224 10000 10280 12000 12336 12850 15000 15420 16448 19275 20000 20560 24000 24672 25700 30000 30840 32125 38550 40000 41120 49344 51400 60000 61680 64250 77100 82240 96375 102800 120000 123360 128500 154200 160625 192750 205600 246720 257000 308400 321250 385500 411200 481875 514000 616800 642500 771000 963750 1028000 1233600 1285000 1542000 1927500 2056000 2570000 3084000 3855000 5140000 6168000 7710000 10280000 15420000 30840000
- Sum of all divisors σ(n): 102360984
- Sum of proper divisors (its aliquot sum) s(n): 71520984
- 30840000 is an abundant number, because the sum of its proper divisors (71520984) is greater than itself. Its abundance is 40680984
Bases of 30840000
- Binary: 11101011010010100110000002
- Hexadecimal: 0x1D694C0
- Base-36: ID0AO
Squares and roots of 30840000
- 30840000 squared (308400002) is 951105600000000
- 30840000 cubed (308400003) is 29332096704000000000000
-
The
square root of 30840000 is 5553.3773507659 -
The
cube root of 30840000 is 313.5966801675
Scales and comparisons
How big is 30840000?- 30,840,000 seconds is equal to 50 weeks, 6 days, 22 hours, 40 minutes.
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To count from 1 to 30,840,000 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 30840000 cubic inches would be around 26.1 feet tall.
Recreational maths with 30840000
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