21071842400
21,071,842,400 is an even composite number composed of four prime numbers multiplied together.
21071842400 is an even composite number. It is composed of four distinct prime numbers multiplied together. It has a total of one hundred eight divisors.
Prime factorization of 21071842400:
25 × 52 × 72 × 537547
(2 × 2 × 2 × 2 × 2 × 5 × 5 × 7 × 7 × 537547)See below for interesting mathematical facts about the number 21071842400 from the Numbermatics database.
Names of 21071842400
- Cardinal: 21071842400 can be written as Twenty-one billion, seventy-one million, eight hundred forty-two thousand, four hundred.
Scientific notation
- Scientific notation: 2.10718424 × 1010
Factors of 21071842400
Divisors of 21071842400
- Number of divisors d(n): 108
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Complete list of divisors:
1 2 4 5 7 8 10 14 16 20 25 28 32 35 40 49 50 56 70 80 98 100 112 140 160 175 196 200 224 245 280 350 392 400 490 560 700 784 800 980 1120 1225 1400 1568 1960 2450 2800 3920 4900 5600 7840 9800 19600 39200 537547 1075094 2150188 2687735 3762829 4300376 5375470 7525658 8600752 10750940 13438675 15051316 17201504 18814145 21501880 26339803 26877350 30102632 37628290 43003760 52679606 53754700 60205264 75256580 86007520 94070725 105359212 107509400 120410528 131699015 150513160 188141450 210718424 215018800 263398030 301026320 376282900 421436848 430037600 526796060 602052640 658495075 752565800 842873696 1053592120 1316990150 1505131600 2107184240 2633980300 3010263200 4214368480 5267960600 10535921200 21071842400
- Sum of all divisors σ(n): 59840380908
- Sum of proper divisors (its aliquot sum) s(n): 38768538508
- 21071842400 is an abundant number, because the sum of its proper divisors (38768538508) is greater than itself. Its abundance is 17696696108
Bases of 21071842400
- Binary: 100111001111111101011001100011000002
- Hexadecimal: 0x4E7FACC60
- Base-36: 9OHMPNK
Squares and roots of 21071842400
- 21071842400 squared (210718424002) is 444022542130437760000
- 21071842400 cubed (210718424003) is 9356373029819944721729024000000
-
The
square root of 21071842400 is 145161.4356501063 -
The
cube root of 21071842400 is 2762.0667499615
Scales and comparisons
How big is 21071842400?- 21,071,842,400 seconds is equal to 670 years, 1 week, 1 hour, 33 minutes, 20 seconds.
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To count from 1 to 21,071,842,400 would take you about one thousand, three hundred forty years!
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 21071842400 cubic inches would be around 230.2 feet tall.
Recreational maths with 21071842400
- 21071842400 backwards is 00424817012
- The number of decimal digits it has is: 11
- The sum of 21071842400's digits is 29
- More coming soon!
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