20385308790
20,385,308,790 is an even composite number composed of seven prime numbers multiplied together.
20385308790 is an even composite number. It is composed of seven distinct prime numbers multiplied together. It has a total of four hundred thirty-two divisors.
Prime factorization of 20385308790:
2 × 32 × 5 × 72 × 11 × 61 × 832
(2 × 3 × 3 × 5 × 7 × 7 × 11 × 61 × 83 × 83)See below for interesting mathematical facts about the number 20385308790 from the Numbermatics database.
Names of 20385308790
- Cardinal: 20385308790 can be written as Twenty billion, three hundred eighty-five million, three hundred eight thousand, seven hundred ninety.
Scientific notation
- Scientific notation: 2.038530879 × 1010
Factors of 20385308790
Divisors of 20385308790
- Number of divisors d(n): 432
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Complete list of divisors:
1 2 3 5 6 7 9 10 11 14 15 18 21 22 30 33 35 42 45 49 55 61 63 66 70 77 83 90 98 99 105 110 122 126 147 154 165 166 183 198 210 231 245 249 294 305 315 330 366 385 415 427 441 462 490 495 498 539 549 581 610 630 671 693 735 747 770 830 854 882 913 915 990 1078 1098 1155 1162 1245 1281 1342 1386 1470 1494 1617 1743 1826 1830 2013 2135 2205 2310 2490 2562 2695 2739 2745 2905 2989 3234 3355 3465 3486 3735 3843 4026 4067 4270 4410 4565 4697 4851 5063 5229 5390 5478 5490 5810 5978 6039 6391 6405 6710 6889 6930 7470 7686 8085 8134 8217 8715 8967 9130 9394 9702 10065 10126 10458 12078 12201 12782 12810 13695 13778 14091 14945 15189 16170 16434 17430 17934 19173 19215 20130 20335 20667 23485 24255 24402 25315 26145 26901 27390 28182 29890 30195 30378 31955 32879 34445 35441 36603 38346 38430 40670 41085 41334 42273 44737 44835 45567 46970 48223 48510 50630 52290 53802 55693 57519 60390 61005 62001 63910 65758 68890 70455 70882 73206 75779 75945 82170 84546 89474 89670 91134 95865 96446 98637 103335 106323 111386 115038 122010 124002 134211 134505 140910 144669 151558 151890 164395 167079 177205 183015 191730 197274 206670 211365 212646 223685 227337 227835 241115 248087 268422 269010 278465 287595 289338 295911 310005 318969 328790 334158 337561 354410 366030 378895 389851 402633 420229 422730 434007 447370 454674 455670 482230 493185 496174 501237 530453 531615 556930 575190 591822 620010 637938 671055 675122 682011 723345 744261 757790 779702 805266 835395 840458 868014 986370 1002474 1012683 1060906 1063230 1136685 1169553 1240435 1260687 1342110 1364022 1446690 1479555 1488522 1591359 1594845 1670790 1687805 1949255 2013165 2025366 2101145 2170035 2232783 2273370 2339106 2480870 2506185 2521374 2652265 2728957 2941603 2959110 3038049 3182718 3189690 3375610 3410055 3508659 3713171 3721305 3782061 3898510 4026330 4202290 4340070 4465566 4622519 4774077 5012370 5063415 5304530 5457914 5847765 5883206 6076098 6303435 6820110 7017318 7426342 7442610 7564122 7956795 8186871 8824809 9245038 9548154 10126830 11139513 11163915 11695530 12606870 13644785 13867557 14708015 15190245 15913590 16373742 17543295 17649618 18565855 18910305 20591221 22279026 22327830 23112595 23870385 24560613 26474427 27289570 27735114 29416030 30380490 32357633 33418539 35086590 37131710 37820610 40934355 41182442 41602671 44124045 46225190 47740770 49121226 52948854 55697565 61773663 64715266 66837078 69337785 81868710 83205342 88248090 97072899 102956105 111395130 122803065 123547326 132372135 138675570 161788165 167092695 185320989 194145798 205912210 208013355 226503431 245606130 264744270 291218697 308868315 323576330 334185390 370641978 416026710 453006862 485364495 582437394 617736630 679510293 926604945 970728990 1132517155 1359020586 1456093485 1853209890 2038530879 2265034310 2912186970 3397551465 4077061758 6795102930 10192654395 20385308790
- Sum of all divisors σ(n): 69196370256
- Sum of proper divisors (its aliquot sum) s(n): 48811061466
- 20385308790 is an abundant number, because the sum of its proper divisors (48811061466) is greater than itself. Its abundance is 28425752676
Bases of 20385308790
- Binary: 100101111110000111100100000011101102
- Hexadecimal: 0x4BF0F2076
- Base-36: 9D4VWXI
Squares and roots of 20385308790
- 20385308790 squared (203853087902) is 415560814463651264100
- 20385308790 cubed (203853087903) is 8471335523865429249552341439000
-
The
square root of 20385308790 is 142777.1297862511 -
The
cube root of 20385308790 is 2731.7383406001
Scales and comparisons
How big is 20385308790?- 20,385,308,790 seconds is equal to 648 years, 9 weeks, 6 days, 1 hour, 46 minutes, 30 seconds.
-
To count from 1 to 20,385,308,790 would take you about one thousand, two hundred ninety-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 20385308790 cubic inches would be around 227.6 feet tall.
Recreational maths with 20385308790
- 20385308790 backwards is 09780358302
- 20385308790 is a
Harshad number . - The number of decimal digits it has is: 11
- The sum of 20385308790's digits is 45
- More coming soon!
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The information we have on file for 20385308790 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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