21137568900
21,137,568,900 is an even composite number composed of seven prime numbers multiplied together.
21137568900 is an even composite number. It is composed of seven distinct prime numbers multiplied together. It has a total of two hundred eighty-eight divisors.
Prime factorization of 21137568900:
22 × 3 × 52 × 7 × 151 × 191 × 349
(2 × 2 × 3 × 5 × 5 × 7 × 151 × 191 × 349)See below for interesting mathematical facts about the number 21137568900 from the Numbermatics database.
Names of 21137568900
- Cardinal: 21137568900 can be written as Twenty-one billion, one hundred thirty-seven million, five hundred sixty-eight thousand, nine hundred.
Scientific notation
- Scientific notation: 2.11375689 × 1010
Factors of 21137568900
Divisors of 21137568900
- Number of divisors d(n): 288
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Complete list of divisors:
1 2 3 4 5 6 7 10 12 14 15 20 21 25 28 30 35 42 50 60 70 75 84 100 105 140 150 151 175 191 210 300 302 349 350 382 420 453 525 573 604 698 700 755 764 906 955 1047 1050 1057 1146 1337 1396 1510 1745 1812 1910 2094 2100 2114 2265 2292 2443 2674 2865 3020 3171 3490 3775 3820 4011 4188 4228 4530 4775 4886 5235 5285 5348 5730 6342 6685 6980 7329 7550 8022 8725 9060 9550 9772 10470 10570 11325 11460 12215 12684 13370 14325 14658 15100 15855 16044 17450 19100 20055 20940 21140 22650 24430 26175 26425 26740 28650 28841 29316 31710 33425 34900 36645 40110 45300 48860 52350 52699 52850 57300 57682 61075 63420 66659 66850 73290 79275 80220 86523 100275 104700 105398 105700 115364 122150 133318 133700 144205 146580 158097 158550 173046 183225 199977 200550 201887 210796 244300 263495 266636 288410 316194 317100 333295 346092 366450 368893 399954 401100 403774 432615 466613 526990 576820 605661 632388 666590 721025 732900 737786 790485 799908 807548 865230 933226 999885 1009435 1053980 1106679 1211322 1317475 1333180 1399839 1442050 1475572 1580970 1666475 1730460 1844465 1866452 1999770 2018870 2163075 2213358 2333065 2422644 2634950 2799678 2884100 3028305 3161940 3332950 3688930 3952425 3999540 4037740 4326150 4426716 4666130 4999425 5047175 5269900 5533395 5599356 6056610 6665900 6999195 7377860 7904850 8652300 9222325 9332260 9998850 10065509 10094350 11066790 11665325 12113220 13998390 15141525 15809700 18444650 19997700 20131018 20188700 22133580 23330650 27666975 27996780 30196527 30283050 34995975 36889300 40262036 46661300 50327545 55333950 60393054 60566100 69991950 70458563 100655090 110667900 120786108 139983900 140917126 150982635 201310180 211375689 251637725 281834252 301965270 352292815 422751378 503275450 603930540 704585630 754913175 845502756 1006550900 1056878445 1409171260 1509826350 1761464075 2113756890 3019652700 3522928150 4227513780 5284392225 7045856300 10568784450 21137568900
- Sum of all divisors σ(n): 70928793600
- Sum of proper divisors (its aliquot sum) s(n): 49791224700
- 21137568900 is an abundant number, because the sum of its proper divisors (49791224700) is greater than itself. Its abundance is 28653655800
Bases of 21137568900
- Binary: 100111010111110010110110100100001002
- Hexadecimal: 0x4EBE5B484
- Base-36: 9PKRGJO
Squares and roots of 21137568900
- 21137568900 squared (211375689002) is 446796819002247210000
- 21137568900 cubed (211375689003) is 9444198545960829656207769000000
-
The
square root of 21137568900 is 145387.6504384055 -
The
cube root of 21137568900 is 2764.9355475931
Scales and comparisons
How big is 21137568900?- 21,137,568,900 seconds is equal to 672 years, 5 weeks, 4 days, 18 hours, 55 minutes.
-
To count from 1 to 21,137,568,900 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 21137568900 cubic inches would be around 230.4 feet tall.
Recreational maths with 21137568900
- 21137568900 backwards is 00986573112
- 21137568900 is a
Harshad number . - The number of decimal digits it has is: 11
- The sum of 21137568900's digits is 42
- More coming soon!
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