20820765420
20,820,765,420 is an even composite number composed of six prime numbers multiplied together.
20820765420 is an even composite number. It is composed of six distinct prime numbers multiplied together. It has a total of three hundred eighty-four divisors.
Prime factorization of 20820765420:
22 × 33 × 5 × 73 × 13 × 8647
(2 × 2 × 3 × 3 × 3 × 5 × 7 × 7 × 7 × 13 × 8647)See below for interesting mathematical facts about the number 20820765420 from the Numbermatics database.
Names of 20820765420
- Cardinal: 20820765420 can be written as Twenty billion, eight hundred twenty million, seven hundred sixty-five thousand, four hundred twenty.
Scientific notation
- Scientific notation: 2.082076542 × 1010
Factors of 20820765420
Divisors of 20820765420
- Number of divisors d(n): 384
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Complete list of divisors:
1 2 3 4 5 6 7 9 10 12 13 14 15 18 20 21 26 27 28 30 35 36 39 42 45 49 52 54 60 63 65 70 78 84 90 91 98 105 108 117 126 130 135 140 147 156 180 182 189 195 196 210 234 245 252 260 270 273 294 315 343 351 364 378 390 420 441 455 468 490 540 546 585 588 630 637 686 702 735 756 780 819 882 910 945 980 1029 1092 1170 1260 1274 1323 1365 1372 1404 1470 1638 1715 1755 1764 1820 1890 1911 2058 2205 2340 2457 2548 2646 2730 2940 3087 3185 3276 3430 3510 3780 3822 4095 4116 4410 4459 4914 5145 5292 5460 5733 6174 6370 6615 6860 7020 7644 8190 8647 8820 8918 9261 9555 9828 10290 11466 12285 12348 12740 13230 13377 15435 16380 17199 17294 17836 18522 19110 20580 22295 22932 24570 25941 26460 26754 28665 30870 34398 34588 37044 38220 40131 43235 44590 46305 49140 51882 53508 57330 60529 61740 66885 68796 77823 80262 85995 86470 89180 92610 103764 112411 114660 120393 121058 129705 133770 155646 160524 171990 172940 181587 185220 200655 224822 233469 240786 242116 259410 267540 302645 311292 337233 343980 363174 389115 401310 423703 449644 466938 481572 518820 544761 562055 601965 605290 674466 726348 778230 786877 802620 847406 907935 933876 1011699 1089522 1124110 1167345 1203930 1210580 1271109 1348932 1556460 1573754 1634283 1686165 1694812 1815870 2023398 2118515 2179044 2248220 2334690 2360631 2407860 2542218 2723805 2965921 3035097 3147508 3268566 3372330 3631740 3813327 3934385 4046796 4237030 4669380 4721262 5058495 5084436 5447610 5508139 5931842 6070194 6355545 6537132 6744660 7081893 7626654 7868770 8171415 8474060 8897763 9442524 10116990 10895220 11016278 11439981 11803155 11863684 12140388 12711090 14163786 14829605 15175485 15253308 15737540 16342830 16524417 17795526 19066635 20233980 21245679 22032556 22879962 23606310 25422180 26693289 27540695 28327572 29659210 30350970 32685660 33048834 35409465 35591052 38133270 38556973 42491358 44488815 45759924 47212620 49573251 53386578 55081390 57199905 59318420 60701940 66097668 70818930 76266540 77113946 80079867 82622085 84982716 88977630 99146502 106228395 106773156 110162780 114399810 115670919 133466445 141637860 148719753 154227892 160159734 165244170 177955260 192784865 198293004 212456790 228799620 231341838 247866255 266932890 297439506 320319468 330488340 347012757 385569730 400399335 424913580 462683676 495732510 533865780 578354595 594879012 694025514 743598765 771139460 800798670 991465020 1041038271 1156709190 1388051028 1487197530 1601597340 1735063785 2082076542 2313418380 2974395060 3470127570 4164153084 5205191355 6940255140 10410382710 20820765420
- Sum of all divisors σ(n): 81360384000
- Sum of proper divisors (its aliquot sum) s(n): 60539618580
- 20820765420 is an abundant number, because the sum of its proper divisors (60539618580) is greater than itself. Its abundance is 39718853160
Bases of 20820765420
- Binary: 100110110010000001110101010111011002
- Hexadecimal: 0x4D903AAEC
- Base-36: 9KC59F0
Squares and roots of 20820765420
- 20820765420 squared (208207654202) is 433504272674667776400
- 20820765420 cubed (208207654203) is 9025890769926973748857412088000
-
The
square root of 20820765420 is 144294.0242005885 -
The
cube root of 20820765420 is 2751.0526183047
Scales and comparisons
How big is 20820765420?- 20,820,765,420 seconds is equal to 662 years, 1 week, 6 days, 1 hour, 57 minutes.
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To count from 1 to 20,820,765,420 would take you about one thousand, three hundred twenty-four 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 20820765420 cubic inches would be around 229.3 feet tall.
Recreational maths with 20820765420
- 20820765420 backwards is 02456702802
- 20820765420 is a
Harshad number . - The number of decimal digits it has is: 11
- The sum of 20820765420's digits is 36
- More coming soon!
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The information we have on file for 20820765420 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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