21010490820
21,010,490,820 is an even composite number composed of six prime numbers multiplied together.
21010490820 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 21010490820:
22 × 32 × 5 × 112 × 79 × 12211
(2 × 2 × 3 × 3 × 5 × 11 × 11 × 79 × 12211)See below for interesting mathematical facts about the number 21010490820 from the Numbermatics database.
Names of 21010490820
- Cardinal: 21010490820 can be written as Twenty-one billion, ten million, four hundred ninety thousand, eight hundred twenty.
Scientific notation
- Scientific notation: 2.101049082 × 1010
Factors of 21010490820
Divisors of 21010490820
- Number of divisors d(n): 216
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Complete list of divisors:
1 2 3 4 5 6 9 10 11 12 15 18 20 22 30 33 36 44 45 55 60 66 79 90 99 110 121 132 158 165 180 198 220 237 242 316 330 363 395 396 474 484 495 605 660 711 726 790 869 948 990 1089 1185 1210 1422 1452 1580 1738 1815 1980 2178 2370 2420 2607 2844 3476 3555 3630 4345 4356 4740 5214 5445 7110 7260 7821 8690 9559 10428 10890 12211 13035 14220 15642 17380 19118 21780 24422 26070 28677 31284 36633 38236 39105 47795 48844 52140 57354 61055 73266 78210 86031 95590 109899 114708 122110 134321 143385 146532 156420 172062 183165 191180 219798 244220 268642 286770 344124 366330 402963 430155 439596 537284 549495 573540 671605 732660 805926 860310 964669 1098990 1208889 1343210 1477531 1611852 1720620 1929338 2014815 2197980 2417778 2686420 2894007 2955062 3858676 4029630 4432593 4823345 4835556 5788014 5910124 6044445 7387655 8059260 8682021 8865186 9646690 10611359 11576028 12088890 13297779 14470035 14775310 17364042 17730372 19293380 21222718 22162965 24177780 26595558 28940070 29550620 31834077 34728084 42445436 43410105 44325930 53056795 53191116 57880140 63668154 66488895 86820210 88651860 95502231 106113590 116724949 127336308 132977790 159170385 173640420 191004462 212227180 233449898 265955580 318340770 350174847 382008924 466899796 477511155 583624745 636681540 700349694 955022310 1050524541 1167249490 1400699388 1750874235 1910044620 2101049082 2334498980 3501748470 4202098164 5252622705 7003496940 10505245410 21010490820
- Sum of all divisors σ(n): 70944881280
- Sum of proper divisors (its aliquot sum) s(n): 49934390460
- 21010490820 is an abundant number, because the sum of its proper divisors (49934390460) is greater than itself. Its abundance is 28923899640
Bases of 21010490820
- Binary: 100111001000101001010100101110001002
- Hexadecimal: 0x4E452A5C4
- Base-36: 9NH3QH0
Squares and roots of 21010490820
- 21010490820 squared (210104908202) is 441440724497304272400
- 21010490820 cubed (210104908203) is 9274886289624760530006979368000
-
The
square root of 21010490820 is 144949.9597102393 -
The
cube root of 21010490820 is 2759.3835185809
Scales and comparisons
How big is 21010490820?- 21,010,490,820 seconds is equal to 668 years, 3 weeks, 3 days, 23 hours, 27 minutes.
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To count from 1 to 21,010,490,820 would take you about one thousand, three hundred thirty-six 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 21010490820 cubic inches would be around 229.9 feet tall.
Recreational maths with 21010490820
- 21010490820 backwards is 02809401012
- The number of decimal digits it has is: 11
- The sum of 21010490820's digits is 27
- More coming soon!
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The information we have on file for 21010490820 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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