21428696100
21,428,696,100 is an even composite number composed of six prime numbers multiplied together.
21428696100 is an even composite number. It is composed of six distinct prime numbers multiplied together. It has a total of two hundred sixteen divisors.
Prime factorization of 21428696100:
22 × 3 × 52 × 7 × 61 × 4092
(2 × 2 × 3 × 5 × 5 × 7 × 61 × 409 × 409)See below for interesting mathematical facts about the number 21428696100 from the Numbermatics database.
Names of 21428696100
- Cardinal: 21428696100 can be written as Twenty-one billion, four hundred twenty-eight million, six hundred ninety-six thousand, one hundred.
Scientific notation
- Scientific notation: 2.14286961 × 1010
Factors of 21428696100
Divisors of 21428696100
- Number of divisors d(n): 216
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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 61 70 75 84 100 105 122 140 150 175 183 210 244 300 305 350 366 409 420 427 525 610 700 732 818 854 915 1050 1220 1227 1281 1525 1636 1708 1830 2045 2100 2135 2454 2562 2863 3050 3660 4090 4270 4575 4908 5124 5726 6100 6135 6405 8180 8540 8589 9150 10225 10675 11452 12270 12810 14315 17178 18300 20450 21350 24540 24949 25620 28630 30675 32025 34356 40900 42700 42945 49898 57260 61350 64050 71575 74847 85890 99796 122700 124745 128100 143150 149694 167281 171780 174643 214725 249490 286300 299388 334562 349286 374235 429450 498980 501843 523929 623725 669124 698572 748470 836405 858900 873215 1003686 1047858 1170967 1247450 1496940 1672810 1746430 1871175 2007372 2095716 2341934 2494900 2509215 2619645 3345620 3492860 3512901 3742350 4182025 4366075 4683868 5018430 5239290 5854835 7025802 7484700 8364050 8732150 10036860 10204141 10478580 11709670 12546075 13098225 14051604 16728100 17464300 17564505 20408282 23419340 25092150 26196450 29274175 30612423 35129010 40816564 50184300 51020705 52392900 58548350 61224846 70258020 71428987 87822525 102041410 117096700 122449692 142857974 153062115 175645050 204082820 214286961 255103525 285715948 306124230 351290100 357144935 428573922 510207050 612248460 714289870 765310575 857147844 1020414100 1071434805 1428579740 1530621150 1785724675 2142869610 3061242300 3571449350 4285739220 5357174025 7142898700 10714348050 21428696100
- Sum of all divisors σ(n): 72195670848
- Sum of proper divisors (its aliquot sum) s(n): 50766974748
- 21428696100 is an abundant number, because the sum of its proper divisors (50766974748) is greater than itself. Its abundance is 29338278648
Bases of 21428696100
- Binary: 100111111010011111111110100001001002
- Hexadecimal: 0x4FD3FF424
- Base-36: 9UE3BQC
Squares and roots of 21428696100
- 21428696100 squared (214286961002) is 459189016546155210000
- 21428696100 cubed (214286961003) is 9839821888025431618521681000000
-
The
square root of 21428696100 is 146385.4367756575 -
The
cube root of 21428696100 is 2777.5715080553
Scales and comparisons
How big is 21428696100?- 21,428,696,100 seconds is equal to 681 years, 19 weeks, 7 hours, 35 minutes.
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To count from 1 to 21,428,696,100 would take you about one thousand, three hundred sixty-two 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 21428696100 cubic inches would be around 231.5 feet tall.
Recreational maths with 21428696100
- 21428696100 backwards is 00169682412
- The number of decimal digits it has is: 11
- The sum of 21428696100's digits is 39
- More coming soon!
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