21218270472
21,218,270,472 is an even composite number composed of five prime numbers multiplied together.
21218270472 is an even composite number. It is composed of five distinct prime numbers multiplied together. It has a total of two hundred sixteen divisors.
Prime factorization of 21218270472:
23 × 32 × 72 × 41 × 3832
(2 × 2 × 2 × 3 × 3 × 7 × 7 × 41 × 383 × 383)See below for interesting mathematical facts about the number 21218270472 from the Numbermatics database.
Names of 21218270472
- Cardinal: 21218270472 can be written as Twenty-one billion, two hundred eighteen million, two hundred seventy thousand, four hundred seventy-two.
Scientific notation
- Scientific notation: 2.1218270472 × 1010
Factors of 21218270472
Divisors of 21218270472
- Number of divisors d(n): 216
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Complete list of divisors:
1 2 3 4 6 7 8 9 12 14 18 21 24 28 36 41 42 49 56 63 72 82 84 98 123 126 147 164 168 196 246 252 287 294 328 369 383 392 441 492 504 574 588 738 766 861 882 984 1148 1149 1176 1476 1532 1722 1764 2009 2296 2298 2583 2681 2952 3064 3444 3447 3528 4018 4596 5166 5362 6027 6888 6894 8036 8043 9192 10332 10724 12054 13788 15703 16072 16086 18081 18767 20664 21448 24108 24129 27576 31406 32172 36162 37534 47109 48216 48258 56301 62812 64344 72324 75068 94218 96516 109921 112602 125624 141327 144648 146689 150136 168903 188436 193032 219842 225204 282654 293378 329763 337806 376872 439684 440067 450408 565308 586756 659526 675612 769447 879368 880134 989289 1026823 1130616 1173512 1319052 1320201 1351224 1538894 1760268 1978578 2053646 2308341 2638104 2640402 3077788 3080469 3520536 3957156 4107292 4616682 5280804 6014249 6155576 6160938 6925023 7187761 7914312 8214584 9233364 9241407 10561608 12028498 12321876 13850046 14375522 18042747 18466728 18482814 21563283 24056996 24643752 27700092 28751044 36085494 36965628 42099743 43126566 48113992 54128241 55400184 57502088 64689849 72170988 73931256 84199486 86253132 108256482 126299229 129379698 144341976 168398972 172506264 216512964 252598458 258759396 294698201 336797944 378897687 433025928 505196916 517518792 589396402 757795374 884094603 1010393832 1178792804 1515590748 1768189206 2357585608 2652283809 3031181496 3536378412 5304567618 7072756824 10609135236 21218270472
- Sum of all divisors σ(n): 68658088590
- Sum of proper divisors (its aliquot sum) s(n): 47439818118
- 21218270472 is an abundant number, because the sum of its proper divisors (47439818118) is greater than itself. Its abundance is 26221547646
Bases of 21218270472
- Binary: 100111100001011010100011101000010002
- Hexadecimal: 0x4F0B51D08
- Base-36: 9QWT6A0
Squares and roots of 21218270472
- 21218270472 squared (212182704722) is 450215001822947102784
- 21218270472 cubed (212182704723) is 9552783679231264683019696194048
-
The
square root of 21218270472 is 145664.9253320785 -
The
cube root of 21218270472 is 2768.4498476031
Scales and comparisons
How big is 21218270472?- 21,218,270,472 seconds is equal to 674 years, 35 weeks, 20 hours, 1 minute, 12 seconds.
-
To count from 1 to 21,218,270,472 would take you about one thousand, three hundred forty-nine 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 21218270472 cubic inches would be around 230.7 feet tall.
Recreational maths with 21218270472
- 21218270472 backwards is 27407281212
- 21218270472 is a
Harshad number . - The number of decimal digits it has is: 11
- The sum of 21218270472's digits is 36
- More coming soon!
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The information we have on file for 21218270472 includes mathematical data and numerical statistics calculated using standard algorithms and methods. We are adding more all the time. If there are any features you would like to see, please contact us. Information provided for educational use, intellectual curiosity and fun!
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