21281672000
21,281,672,000 is an even composite number composed of four prime numbers multiplied together.
21281672000 is an even composite number. It is composed of four distinct prime numbers multiplied together. It has a total of one hundred sixty-eight divisors.
Prime factorization of 21281672000:
26 × 53 × 192 × 7369
(2 × 2 × 2 × 2 × 2 × 2 × 5 × 5 × 5 × 19 × 19 × 7369)See below for interesting mathematical facts about the number 21281672000 from the Numbermatics database.
Names of 21281672000
- Cardinal: 21281672000 can be written as Twenty-one billion, two hundred eighty-one million, six hundred seventy-two thousand.
Scientific notation
- Scientific notation: 2.1281672 × 1010
Factors of 21281672000
Divisors of 21281672000
- Number of divisors d(n): 168
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Complete list of divisors:
1 2 4 5 8 10 16 19 20 25 32 38 40 50 64 76 80 95 100 125 152 160 190 200 250 304 320 361 380 400 475 500 608 722 760 800 950 1000 1216 1444 1520 1600 1805 1900 2000 2375 2888 3040 3610 3800 4000 4750 5776 6080 7220 7369 7600 8000 9025 9500 11552 14440 14738 15200 18050 19000 23104 28880 29476 30400 36100 36845 38000 45125 57760 58952 72200 73690 76000 90250 115520 117904 140011 144400 147380 152000 180500 184225 235808 280022 288800 294760 361000 368450 471616 560044 577600 589520 700055 722000 736900 921125 1120088 1179040 1400110 1444000 1473800 1842250 2240176 2358080 2660209 2800220 2888000 2947600 3500275 3684500 4480352 5320418 5600440 5895200 7000550 7369000 8960704 10640836 11200880 11790400 13301045 14001100 14738000 17501375 21281672 22401760 26602090 28002200 29476000 35002750 42563344 44803520 53204180 56004400 58952000 66505225 70005500 85126688 106408360 112008800 133010450 140011000 170253376 212816720 224017600 266020900 280022000 332526125 425633440 532041800 560044000 665052250 851266880 1064083600 1120088000 1330104500 2128167200 2660209000 4256334400 5320418000 10640836000 21281672000
- Sum of all divisors σ(n): 55631501640
- Sum of proper divisors (its aliquot sum) s(n): 34349829640
- 21281672000 is an abundant number, because the sum of its proper divisors (34349829640) is greater than itself. Its abundance is 13068157640
Bases of 21281672000
- Binary: 100111101000111110010001011010000002
- Hexadecimal: 0x4F47C8B40
- Base-36: 9RYK37K
Squares and roots of 21281672000
- 21281672000 squared (212816720002) is 452909563115584000000
- 21281672000 cubed (212816720003) is 9638672767889156776448000000000
-
The
square root of 21281672000 is 145882.3909867123 -
The
cube root of 21281672000 is 2771.2045398367
Scales and comparisons
How big is 21281672000?- 21,281,672,000 seconds is equal to 676 years, 35 weeks, 6 days, 15 hours, 33 minutes, 20 seconds.
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To count from 1 to 21,281,672,000 would take you about one thousand, three hundred fifty-three 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 21281672000 cubic inches would be around 230.9 feet tall.
Recreational maths with 21281672000
- 21281672000 backwards is 00027618212
- The number of decimal digits it has is: 11
- The sum of 21281672000's digits is 29
- More coming soon!
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