20852169840

Names of 20852169840

• Cardinal: 20852169840 can be written as Twenty billion, eight hundred fifty-two million, one hundred sixty-nine thousand, eight hundred forty.

Scientific notation

• Scientific notation: 2.085216984 × 10¹⁰

Factors of 20852169840

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 484

Divisors of 20852169840

• Number of divisors d(n): 480
• Complete list of divisors:
  1 2 3 4 5 6 8 9 10 12 15 16 18 20 23 24 30 31 36 40 45 46 48 60 62 69 72 80 90 92 93 115 120 124 138 144 151 155 180 184 186 207 230 240 248 269 276 279 302 310 345 360 368 372 414 453 460 465 496 538 552 558 604 620 690 713 720 744 755 807 828 906 920 930 1035 1076 1104 1116 1208 1240 1345 1359 1380 1395 1426 1488 1510 1614 1656 1812 1840 1860 2070 2139 2152 2232 2265 2416 2421 2480 2690 2718 2760 2790 2852 3020 3228 3312 3473 3565 3624 3720 4035 4140 4278 4304 4464 4530 4681 4842 5380 5436 5520 5580 5704 6040 6187 6417 6456 6795 6946 7130 7248 7440 8070 8280 8339 8556 9060 9362 9684 10419 10695 10760 10872 11160 11408 12080 12105 12374 12834 12912 13590 13892 14043 14260 16140 16560 16678 17112 17365 18120 18561 18724 19368 20838 21390 21520 21744 22320 23405 24210 24748 25017 25668 27180 27784 28086 28520 30935 31257 32085 32280 33356 34224 34730 36240 37122 37448 38736 40619 41676 41695 42129 42780 46810 48420 49496 50034 51336 52095 54360 55568 55683 56172 57040 61870 62514 64170 64560 66712 69460 70215 74244 74896 75051 81238 83352 83390 84258 85560 92805 93620 96840 98992 100068 102672 104190 107663 108720 111366 112344 121857 123740 125028 125085 128340 133424 138920 140430 148488 150102 156285 162476 166704 166780 168516 171120 185610 187240 191797 193680 200136 203095 208380 210645 215326 222732 224688 243714 247480 250056 250170 256680 277840 278415 280860 296976 300204 312570 322989 324952 333560 337032 365571 371220 374480 375255 383594 400272 406190 416760 421290 430652 445464 487428 494960 500112 500340 513360 538315 556830 561720 575391 600408 609285 625140 645978 649904 667120 674064 731142 742440 750510 767188 812380 833520 842580 861304 890928 934237 958985 968967 974856 1000680 1076630 1113660 1123440 1150782 1200816 1218570 1250280 1259189 1291956 1462284 1484880 1501020 1534376 1614945 1624760 1685160 1722608 1726173 1827855 1868474 1917970 1937934 1949712 2001360 2153260 2227320 2301564 2437140 2500560 2518378 2583912 2802711 2876955 2924568 3002040 3068752 3229890 3249520 3370320 3452346 3655710 3736948 3777567 3835940 3875868 4306520 4454640 4603128 4671185 4844835 4874280 5036756 5167824 5605422 5753910 5849136 6004080 6295945 6459780 6904692 7311420 7473896 7555134 7671880 7751736 8408133 8613040 8630865 9206256 9342370 9689670 9748560 10073512 11210844 11332701 11507820 12591890 12919560 13809384 14013555 14622840 14947792 15110268 15343760 15503472 16816266 17261730 18684740 18887835 19379340 20147024 22421688 22665402 23015640 25183780 25839120 27618768 28027110 28961347 29245680 30220536 33632532 34523460 37369480 37775670 38758680 42040665 44843376 45330804 46031280 50367560 56054220 56663505 57922694 60441072 67265064 69046920 74738960 75551340 77517360 84081330 86884041 90661608 100735120 112108440 113327010 115845388 134530128 138093840 144806735 151102680 168162660 173768082 181323216 224216880 226654020 231690776 260652123 289613470 302205360 336325320 347536164 434420205 453308040 463381552 521304246 579226940 672650640 695072328 868840410 906616080 1042608492 1158453880 1303260615 1390144656 1737680820 2085216984 2316907760 2606521230 3475361640 4170433968 5213042460 6950723280 10426084920 20852169840
• Sum of all divisors σ(n): 76212264960
• Sum of proper divisors (its aliquot sum) s(n): 55360095120
• 20852169840 is an abundant number, because the sum of its proper divisors (55360095120) is greater than itself. Its abundance is 34507925280

Bases of 20852169840

• Binary: 10011011010111000101101110001110000₂
• Hexadecimal: 0x4DAE2DC70
• Base-36: 9KUUD80

Squares and roots of 20852169840

• 20852169840 squared (20852169840²) is 434812987036205625600
• 20852169840 cubed (20852169840³) is 9066794254316677934174651904000
• The square root of 20852169840 is 144402.8041278977
• The cube root of 20852169840 is 2752.4350812645

Scales and comparisons

• 20,852,169,840 seconds is equal to 663 years, 1 week, 5 days, 13 hours, 24 minutes.
• To count from 1 to 20,852,169,840 would take you about one thousand, three hundred twenty-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 20852169840 cubic inches would be around 229.4 feet tall.

Recreational maths with 20852169840

• 20852169840 backwards is 04896125802
• 20852169840 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 20852169840's digits is 45
• More coming soon!