20998027820
20,998,027,820 is an even composite number composed of six prime numbers multiplied together.
20998027820 is an even composite number. It is composed of six distinct prime numbers multiplied together. It has a total of two hundred eighty-eight divisors.
Prime factorization of 20998027820:
22 × 5 × 73 × 112 × 41 × 617
(2 × 2 × 5 × 7 × 7 × 7 × 11 × 11 × 41 × 617)See below for interesting mathematical facts about the number 20998027820 from the Numbermatics database.
Names of 20998027820
- Cardinal: 20998027820 can be written as Twenty billion, nine hundred ninety-eight million, twenty-seven thousand, eight hundred twenty.
Scientific notation
- Scientific notation: 2.099802782 × 1010
Factors of 20998027820
Divisors of 20998027820
- Number of divisors d(n): 288
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Complete list of divisors:
1 2 4 5 7 10 11 14 20 22 28 35 41 44 49 55 70 77 82 98 110 121 140 154 164 196 205 220 242 245 287 308 343 385 410 451 484 490 539 574 605 617 686 770 820 847 902 980 1078 1148 1210 1234 1372 1435 1540 1694 1715 1804 2009 2156 2255 2420 2468 2695 2870 3085 3157 3388 3430 3773 4018 4235 4319 4510 4961 5390 5740 5929 6170 6314 6787 6860 7546 8036 8470 8638 9020 9922 10045 10780 11858 12340 12628 13574 14063 15092 15785 16940 17276 18865 19844 20090 21595 22099 23716 24805 25297 27148 28126 29645 30233 31570 33935 34727 37730 40180 41503 43190 44198 47509 49610 50594 56252 59290 60466 63140 67870 69454 70315 74657 75460 83006 86380 88396 95018 99220 101188 110495 118580 120932 126485 135740 138908 140630 149314 151165 154693 166012 173635 177079 190036 207515 211631 220990 237545 243089 252970 278267 281260 298628 302330 309386 332563 347270 354158 373285 415030 423262 441980 475090 486178 505940 522599 556534 604660 618772 665126 694540 708316 746570 773465 830060 846524 885395 950180 972356 1045198 1058155 1113068 1215445 1239553 1330252 1391335 1493140 1546930 1662815 1701623 1770790 1947869 2090396 2116310 2327941 2430890 2479106 2612995 2782670 3060937 3093860 3325630 3403246 3541580 3658193 3895738 4232620 4655882 4861780 4958212 5225990 5565340 6121874 6197765 6651260 6806492 7316386 7791476 8508115 8676871 9311764 9739345 10451980 11639705 12243748 12395530 13635083 14632772 15304685 17016230 17353742 18290965 19478690 21426559 23279410 24791060 25607351 27270166 30609370 34032460 34707484 36581930 38957380 42853118 43384355 46558820 51214702 54540332 61218740 68175415 73163860 85706236 86768710 95445581 102429404 107132795 128036755 136350830 149985913 173537420 190891162 214265590 256073510 272701660 299971826 381782324 428531180 477227905 512147020 599943652 749929565 954455810 1049901391 1499859130 1908911620 2099802782 2999718260 4199605564 5249506955 10499013910 20998027820
- Sum of all divisors σ(n): 57996086400
- Sum of proper divisors (its aliquot sum) s(n): 36998058580
- 20998027820 is an abundant number, because the sum of its proper divisors (36998058580) is greater than itself. Its abundance is 16000030760
Bases of 20998027820
- Binary: 100111000111001010001111010001011002
- Hexadecimal: 0x4E3947A2C
- Base-36: 9N9OLYK
Squares and roots of 20998027820
- 20998027820 squared (209980278202) is 440917172329493952400
- 20998027820 cubed (209980278203) is 9258391050890448219016955768000
-
The
square root of 20998027820 is 144906.9626346507 -
The
cube root of 20998027820 is 2758.8378070887
Scales and comparisons
How big is 20998027820?- 20,998,027,820 seconds is equal to 667 years, 34 weeks, 6 days, 17 hours, 30 minutes, 20 seconds.
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To count from 1 to 20,998,027,820 would take you about one thousand, three hundred thirty-five 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 20998027820 cubic inches would be around 229.9 feet tall.
Recreational maths with 20998027820
- 20998027820 backwards is 02872089902
- The number of decimal digits it has is: 11
- The sum of 20998027820's digits is 47
- More coming soon!
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