21055001220
21,055,001,220 is an even composite number composed of six prime numbers multiplied together.
21055001220 is an even composite number. It is composed of six distinct prime numbers multiplied together. It has a total of one hundred ninety-two divisors.
Prime factorization of 21055001220:
22 × 33 × 5 × 11 × 269 × 13177
(2 × 2 × 3 × 3 × 3 × 5 × 11 × 269 × 13177)See below for interesting mathematical facts about the number 21055001220 from the Numbermatics database.
Names of 21055001220
- Cardinal: 21055001220 can be written as Twenty-one billion, fifty-five million, one thousand, two hundred twenty.
Scientific notation
- Scientific notation: 2.105500122 × 1010
Factors of 21055001220
Divisors of 21055001220
- Number of divisors d(n): 192
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Complete list of divisors:
1 2 3 4 5 6 9 10 11 12 15 18 20 22 27 30 33 36 44 45 54 55 60 66 90 99 108 110 132 135 165 180 198 220 269 270 297 330 396 495 538 540 594 660 807 990 1076 1188 1345 1485 1614 1980 2421 2690 2959 2970 3228 4035 4842 5380 5918 5940 7263 8070 8877 9684 11836 12105 13177 14526 14795 16140 17754 24210 26354 26631 29052 29590 35508 36315 39531 44385 48420 52708 53262 59180 65885 72630 79062 79893 88770 106524 118593 131770 133155 144947 145260 158124 159786 177540 197655 237186 263540 266310 289894 319572 355779 395310 399465 434841 474372 532620 579788 592965 711558 724735 790620 798930 869682 1185930 1304523 1423116 1449470 1597860 1739364 1778895 2174205 2371860 2609046 2898940 3544613 3557790 3913569 4348410 5218092 6522615 7089226 7115580 7827138 8696820 10633839 13045230 14178452 15654276 17723065 19567845 21267678 26090460 31901517 35446130 38990743 39135690 42535356 53169195 63803034 70892260 77981486 78271380 95704551 106338390 116972229 127606068 155962972 159507585 191409102 194953715 212676780 233944458 319015170 350916687 382818204 389907430 467888916 478522755 584861145 638030340 701833374 779814860 957045510 1052750061 1169722290 1403666748 1754583435 1914091020 2105500122 2339444580 3509166870 4211000244 5263750305 7018333740 10527500610 21055001220
- Sum of all divisors σ(n): 71730489600
- Sum of proper divisors (its aliquot sum) s(n): 50675488380
- 21055001220 is an abundant number, because the sum of its proper divisors (50675488380) is greater than itself. Its abundance is 29620487160
Bases of 21055001220
- Binary: 100111001101111100111010010100001002
- Hexadecimal: 0x4E6F9D284
- Base-36: 9O7LQX0
Squares and roots of 21055001220
- 21055001220 squared (210550012202) is 443313076374201488400
- 21055001220 cubed (210550012203) is 9333957363900765514787815848000
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The
square root of 21055001220 is 145103.4156041821 -
The
cube root of 21055001220 is 2761.3307146349
Scales and comparisons
How big is 21055001220?- 21,055,001,220 seconds is equal to 669 years, 25 weeks, 1 day, 3 hours, 27 minutes.
-
To count from 1 to 21,055,001,220 would take you about one thousand, three hundred thirty-eight 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 21055001220 cubic inches would be around 230.1 feet tall.
Recreational maths with 21055001220
- 21055001220 backwards is 02210055012
- 21055001220 is a
Harshad number . - The number of decimal digits it has is: 11
- The sum of 21055001220's digits is 18
- More coming soon!
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The information we have on file for 21055001220 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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