21142589440
21,142,589,440 is an even composite number composed of five prime numbers multiplied together.
21142589440 is an even composite number. It is composed of five distinct prime numbers multiplied together. It has a total of two hundred eight divisors.
Prime factorization of 21142589440:
212 × 5 × 7 × 139 × 1061
(2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 5 × 7 × 139 × 1061)See below for interesting mathematical facts about the number 21142589440 from the Numbermatics database.
Names of 21142589440
- Cardinal: 21142589440 can be written as Twenty-one billion, one hundred forty-two million, five hundred eighty-nine thousand, four hundred forty.
Scientific notation
- Scientific notation: 2.114258944 × 1010
Factors of 21142589440
Divisors of 21142589440
- Number of divisors d(n): 208
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Complete list of divisors:
1 2 4 5 7 8 10 14 16 20 28 32 35 40 56 64 70 80 112 128 139 140 160 224 256 278 280 320 448 512 556 560 640 695 896 973 1024 1061 1112 1120 1280 1390 1792 1946 2048 2122 2224 2240 2560 2780 3584 3892 4096 4244 4448 4480 4865 5120 5305 5560 7168 7427 7784 8488 8896 8960 9730 10240 10610 11120 14336 14854 15568 16976 17792 17920 19460 20480 21220 22240 28672 29708 31136 33952 35584 35840 37135 38920 42440 44480 59416 62272 67904 71168 71680 74270 77840 84880 88960 118832 124544 135808 142336 143360 147479 148540 155680 169760 177920 237664 249088 271616 284672 294958 297080 311360 339520 355840 475328 498176 543232 569344 589916 594160 622720 679040 711680 737395 950656 996352 1032353 1086464 1179832 1188320 1245440 1358080 1423360 1474790 1901312 1992704 2064706 2172928 2359664 2376640 2490880 2716160 2846720 2949580 3802624 3985408 4129412 4345856 4719328 4753280 4981760 5161765 5432320 5899160 7605248 8258824 9438656 9506560 9963520 10323530 10864640 11798320 15210496 16517648 18877312 19013120 19927040 20647060 21729280 23596640 30420992 33035296 37754624 38026240 41294120 47193280 66070592 75509248 76052480 82588240 94386560 132141184 151018496 152104960 165176480 188773120 264282368 302036992 330352960 377546240 528564736 604073984 660705920 755092480 1057129472 1321411840 1510184960 2114258944 2642823680 3020369920 4228517888 5285647360 10571294720 21142589440
- Sum of all divisors σ(n): 58456218240
- Sum of proper divisors (its aliquot sum) s(n): 37313628800
- 21142589440 is an abundant number, because the sum of its proper divisors (37313628800) is greater than itself. Its abundance is 16171039360
Bases of 21142589440
- Binary: 100111011000011001001010000000000002
- Hexadecimal: 0x4EC325000
- Base-36: 9PNR2F4
Squares and roots of 21142589440
- 21142589440 squared (211425894402) is 447009088228399513600
- 21142589440 cubed (211425894403) is 9450929628361787864340496384000
-
The
square root of 21142589440 is 145404.9154602415 -
The
cube root of 21142589440 is 2765.1544370137
Scales and comparisons
How big is 21142589440?- 21,142,589,440 seconds is equal to 672 years, 13 weeks, 6 days, 21 hours, 30 minutes, 40 seconds.
-
To count from 1 to 21,142,589,440 would take you about one thousand, three hundred forty-four 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 21142589440 cubic inches would be around 230.4 feet tall.
Recreational maths with 21142589440
- 21142589440 backwards is 04498524112
- 21142589440 is a
Harshad number . - The number of decimal digits it has is: 11
- The sum of 21142589440's digits is 40
- More coming soon!
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