20893838490
20,893,838,490 is an even composite number composed of seven prime numbers multiplied together.
20893838490 is an even composite number. It is composed of seven distinct prime numbers multiplied together. It has a total of three hundred eighty-four divisors.
Prime factorization of 20893838490:
2 × 33 × 5 × 7 × 19 × 31 × 1372
(2 × 3 × 3 × 3 × 5 × 7 × 19 × 31 × 137 × 137)See below for interesting mathematical facts about the number 20893838490 from the Numbermatics database.
Names of 20893838490
- Cardinal: 20893838490 can be written as Twenty billion, eight hundred ninety-three million, eight hundred thirty-eight thousand, four hundred ninety.
Scientific notation
- Scientific notation: 2.089383849 × 1010
Factors of 20893838490
Divisors of 20893838490
- Number of divisors d(n): 384
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Complete list of divisors:
1 2 3 5 6 7 9 10 14 15 18 19 21 27 30 31 35 38 42 45 54 57 62 63 70 90 93 95 105 114 126 133 135 137 155 171 186 189 190 210 217 266 270 274 279 285 310 315 342 378 399 411 434 465 513 558 570 589 630 651 665 685 798 822 837 855 930 945 959 1026 1085 1178 1197 1233 1302 1330 1370 1395 1674 1710 1767 1890 1918 1953 1995 2055 2170 2394 2466 2565 2603 2790 2877 2945 3255 3534 3591 3699 3906 3990 4110 4123 4185 4247 4795 5130 5206 5301 5754 5859 5890 5985 6165 6510 7182 7398 7809 8246 8370 8494 8631 8835 9590 9765 10602 11718 11970 12330 12369 12741 13015 14385 15618 15903 17262 17670 17955 18221 18495 18769 19530 20615 21235 23427 24738 25482 25893 26030 26505 28770 29295 29729 31806 35910 36442 36990 37107 37538 38223 39045 41230 42470 43155 46854 51786 53010 54663 56307 58590 59458 61845 63705 70281 74214 76446 78090 79515 80693 86310 89187 91105 93845 109326 111321 112614 114669 117135 123690 127410 129465 131383 140562 148645 159030 161386 163989 168921 178374 182210 185535 187690 191115 222642 229338 234270 242079 258930 262766 267561 273315 281535 297290 327978 337842 351405 356611 371070 382230 394149 403465 445935 484158 491967 506763 535122 546630 556605 563070 564851 573345 581839 656915 702810 713222 726237 788298 802683 806930 819945 844605 891870 983934 1013526 1069833 1113210 1129702 1146690 1163678 1182447 1210395 1313830 1337805 1452474 1605366 1639890 1689210 1694553 1745517 1783055 1970745 2139666 2178711 2364894 2420790 2459835 2496277 2533815 2675610 2824255 2909195 3209499 3389106 3491034 3547341 3566110 3631185 3941490 4013415 4072873 4357422 4919670 4992554 5067630 5083659 5236551 5349165 5648510 5818390 5912235 6418998 7094682 7262370 7488831 8026830 8145746 8472765 8727585 9628497 10167318 10473102 10698330 10893555 11054941 11824470 12218619 12481385 14977662 15250977 15709653 16047495 16945530 17455170 17736705 19256994 20364365 21787110 22109882 22466493 24437238 24962770 25418295 26182755 30501954 31419306 32094990 33164823 35473410 36655857 37444155 40728730 44932986 48142485 50836590 52365510 55274705 61093095 66329646 67399479 73311714 74888310 76254885 77384587 78548265 96284970 99494469 109967571 110549410 112332465 122186190 134798958 152509770 154769174 157096530 165824115 183279285 198988938 219935142 224664930 232153761 298483407 331648230 336997395 366558570 386922935 464307522 497472345 549837855 596966814 673994790 696461283 773845870 994944690 1099675710 1160768805 1392922566 1492417035 2089383849 2321537610 2984834070 3482306415 4178767698 6964612830 10446919245 20893838490
- Sum of all divisors σ(n): 69698764800
- Sum of proper divisors (its aliquot sum) s(n): 48804926310
- 20893838490 is an abundant number, because the sum of its proper divisors (48804926310) is greater than itself. Its abundance is 27911087820
Bases of 20893838490
- Binary: 100110111010101111010101100100110102
- Hexadecimal: 0x4DD5EAC9A
- Base-36: 9LJNGYI
Squares and roots of 20893838490
- 20893838490 squared (208938384902) is 436552486846205480100
- 20893838490 cubed (208938384903) is 9121257152572466770562309049000
-
The
square root of 20893838490 is 144547.0113492491 -
The
cube root of 20893838490 is 2754.2672478113
Scales and comparisons
How big is 20893838490?- 20,893,838,490 seconds is equal to 664 years, 18 weeks, 4 days, 20 hours, 1 minute, 30 seconds.
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To count from 1 to 20,893,838,490 would take you about one thousand, three hundred twenty-eight 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 20893838490 cubic inches would be around 229.5 feet tall.
Recreational maths with 20893838490
- 20893838490 backwards is 09483839802
- 20893838490 is a
Harshad number . - The number of decimal digits it has is: 11
- The sum of 20893838490's digits is 54
- More coming soon!
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