21221117100
21,221,117,100 is an even composite number composed of five prime numbers multiplied together.
21221117100 is an even composite number. It is composed of five distinct prime numbers multiplied together. It has a total of two hundred eighty-eight divisors.
Prime factorization of 21221117100:
22 × 37 × 52 × 19 × 5107
(2 × 2 × 3 × 3 × 3 × 3 × 3 × 3 × 3 × 5 × 5 × 19 × 5107)See below for interesting mathematical facts about the number 21221117100 from the Numbermatics database.
Names of 21221117100
- Cardinal: 21221117100 can be written as Twenty-one billion, two hundred twenty-one million, one hundred seventeen thousand, one hundred.
Scientific notation
- Scientific notation: 2.12211171 × 1010
Factors of 21221117100
Divisors of 21221117100
- Number of divisors d(n): 288
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Complete list of divisors:
1 2 3 4 5 6 9 10 12 15 18 19 20 25 27 30 36 38 45 50 54 57 60 75 76 81 90 95 100 108 114 135 150 162 171 180 190 225 228 243 270 285 300 324 342 380 405 450 475 486 513 540 570 675 684 729 810 855 900 950 972 1026 1140 1215 1350 1425 1458 1539 1620 1710 1900 2025 2052 2187 2430 2565 2700 2850 2916 3078 3420 3645 4050 4275 4374 4617 4860 5107 5130 5700 6075 6156 7290 7695 8100 8550 8748 9234 10214 10260 10935 12150 12825 13851 14580 15321 15390 17100 18225 18468 20428 21870 23085 24300 25535 25650 27702 30642 30780 36450 38475 41553 43740 45963 46170 51070 51300 54675 55404 61284 69255 72900 76605 76950 83106 91926 92340 97033 102140 109350 115425 127675 137889 138510 153210 153900 166212 183852 194066 207765 218700 229815 230850 255350 275778 277020 291099 306420 346275 383025 388132 413667 415530 459630 461700 485165 510700 551556 582198 689445 692550 766050 827334 831060 873297 919260 970330 1038825 1149075 1164396 1241001 1378890 1385100 1455495 1532100 1654668 1746594 1940660 2068335 2077650 2298150 2425825 2482002 2619891 2757780 2910990 3447225 3493188 3723003 4136670 4155300 4366485 4596300 4851650 4964004 5239782 5821980 6205005 6894450 7277475 7446006 7859673 8273340 8732970 9703300 10341675 10479564 11169009 12410010 13099455 13788900 14554950 14892012 15719346 17465940 18615015 20683350 21832425 22338018 23579019 24820020 26198910 29109900 31025025 31438692 37230030 39298365 41366700 43664850 44676036 47158038 52397820 55845045 62050050 65497275 70737057 74460060 78596730 87329700 93075075 94316076 111690090 117895095 124100100 130994550 141474114 157193460 186150150 196491825 212211171 223380180 235790190 261989100 279225225 282948228 353685285 372300300 392983650 424422342 471580380 558450450 589475475 707370570 785967300 848844684 1061055855 1116900900 1178950950 1414741140 1768426425 2122111710 2357901900 3536852850 4244223420 5305279275 7073705700 10610558550 21221117100
- Sum of all divisors σ(n): 72713401600
- Sum of proper divisors (its aliquot sum) s(n): 51492284500
- 21221117100 is an abundant number, because the sum of its proper divisors (51492284500) is greater than itself. Its abundance is 30271167400
Bases of 21221117100
- Binary: 100111100001110000010001100101011002
- Hexadecimal: 0x4F0E08CAC
- Base-36: 9QYI6R0
Squares and roots of 21221117100
- 21221117100 squared (212211171002) is 450335810971912410000
- 21221117100 cubed (212211171003) is 9556628978958418063553211000000
-
The
square root of 21221117100 is 145674.6961555095 -
The
cube root of 21221117100 is 2768.5736464847
Scales and comparisons
How big is 21221117100?- 21,221,117,100 seconds is equal to 674 years, 39 weeks, 5 days, 18 hours, 45 minutes.
-
To count from 1 to 21,221,117,100 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 21221117100 cubic inches would be around 230.7 feet tall.
Recreational maths with 21221117100
- 21221117100 backwards is 00171112212
- 21221117100 is a
Harshad number . - The number of decimal digits it has is: 11
- The sum of 21221117100's digits is 18
- More coming soon!
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