20806873920

Names of 20806873920

• Cardinal: 20806873920 can be written as Twenty billion, eight hundred six million, eight hundred seventy-three thousand, nine hundred twenty.

Scientific notation

• Scientific notation: 2.080687392 × 10¹⁰

Factors of 20806873920

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 16
• Sum of prime factors: 93

Divisors of 20806873920

• Number of divisors d(n): 1120
• Complete list of divisors:
  1 2 3 4 5 6 7 8 9 10 12 14 15 16 17 18 20 21 24 27 28 30 32 34 35 36 40 42 45 48 49 51 54 56 59 60 63 64 68 70 72 80 84 85 90 96 98 102 105 108 112 118 119 120 126 135 136 140 144 147 153 160 168 170 177 180 189 192 196 204 210 216 224 236 238 240 245 252 255 270 272 280 288 294 295 306 315 320 336 340 343 354 357 360 378 392 408 413 420 432 441 448 459 472 476 480 490 504 510 531 540 544 560 576 588 590 595 612 630 672 680 686 708 714 720 735 756 765 784 816 826 833 840 864 882 885 918 944 945 952 960 980 1003 1008 1020 1029 1062 1071 1080 1088 1120 1176 1180 1190 1224 1239 1260 1323 1344 1360 1372 1416 1428 1440 1470 1512 1530 1568 1593 1632 1652 1666 1680 1715 1728 1764 1770 1785 1836 1888 1890 1904 1960 2006 2016 2040 2058 2065 2124 2142 2160 2205 2240 2295 2352 2360 2380 2401 2448 2478 2499 2520 2646 2655 2720 2744 2832 2856 2880 2891 2940 3009 3024 3060 3087 3136 3186 3213 3264 3304 3332 3360 3430 3528 3540 3570 3672 3717 3776 3780 3808 3920 4012 4032 4080 4116 4130 4165 4248 4284 4320 4410 4590 4704 4720 4760 4802 4896 4956 4998 5015 5040 5145 5292 5310 5355 5440 5488 5664 5712 5782 5831 5880 6018 6048 6120 6174 6195 6372 6426 6608 6615 6664 6720 6860 7021 7056 7080 7140 7203 7344 7434 7497 7560 7616 7840 7965 8024 8160 8232 8260 8330 8496 8568 8640 8673 8820 9027 9180 9261 9408 9440 9520 9604 9792 9912 9996 10030 10080 10290 10584 10620 10710 10976 11151 11328 11424 11564 11662 11760 12005 12036 12096 12240 12348 12390 12495 12744 12852 13216 13230 13328 13720 14042 14112 14160 14280 14406 14455 14688 14868 14994 15045 15120 15435 15680 15930 16048 16065 16320 16464 16520 16660 16992 17136 17346 17493 17640 18054 18360 18522 18585 18880 19040 19208 19824 19992 20060 20160 20237 20580 21063 21168 21240 21420 21609 21952 22302 22491 22848 23128 23324 23520 24010 24072 24480 24696 24780 24990 25488 25704 26019 26432 26460 26656 27081 27440 28084 28224 28320 28560 28812 28910 29155 29376 29736 29988 30090 30240 30870 31860 32096 32130 32928 33040 33320 33984 34272 34692 34986 35105 35280 36015 36108 36720 37044 37170 37485 38080 38416 39648 39984 40120 40474 40817 41160 42126 42336 42480 42840 43218 43365 44604 44982 45135 46256 46305 46648 47040 48020 48144 48960 49147 49392 49560 49980 50976 51408 52038 52479 52920 53312 54162 54880 55755 56168 56640 57120 57624 57820 58310 59472 59976 60180 60480 60711 61740 63189 63720 64192 64260 64827 65856 66080 66640 68544 69384 69972 70210 70560 72030 72216 73440 74088 74340 74970 76832 78057 79296 79968 80240 80948 81634 82320 84252 84672 84960 85680 86436 86730 87465 89208 89964 90270 92512 92610 93296 96040 96288 98294 98784 99120 99960 101185 101952 102816 104076 104958 105315 105840 108045 108324 109760 111510 112336 112455 114240 115248 115640 116620 118944 119952 120360 121422 122451 123480 126378 127440 128520 129654 130095 132160 133280 135405 138768 139944 140420 141120 141659 144060 144432 146880 147441 148176 148680 149940 153664 156114 157437 159936 160480 161896 163268 164640 168504 169920 171360 172872 173460 174930 178416 179928 180540 182133 185024 185220 186592 189567 192080 192576 196588 197568 198240 199920 202370 204085 205632 208152 209916 210630 211680 216090 216648 223020 224672 224910 230496 231280 233240 237888 239904 240720 242844 244902 245735 246960 252756 254880 257040 259308 260190 262395 266560 270810 277536 279888 280840 283318 288120 288864 294882 296352 297360 299880 303555 312228 314874 315945 320960 323792 324135 326536 329280 337008 342720 344029 345744 346920 349860 356832 359856 361080 364266 367353 370440 373184 379134 384160 390285 393176 396480 399840 404740 408170 416304 419832 421260 423360 424977 432180 433296 442323 446040 449344 449820 460992 462560 466480 479808 481440 485688 489804 491470 493920 505512 509760 514080 518616 520380 524790 541620 546399 555072 559776 561680 566636 576240 577728 589764 592704 594720 599760 607110 612255 624456 629748 631890 647584 648270 653072 674016 688058 691488 693840 699720 708295 713664 719712 722160 728532 734706 737205 740880 758268 768320 780570 786352 787185 799680 809480 816340 832608 839664 842520 849954 864360 866592 884646 892080 899640 910665 925120 932960 947835 962880 971376 979608 982940 987840 1011024 1028160 1032087 1037232 1040760 1049580 1083240 1092798 1102059 1119552 1123360 1133272 1152480 1179528 1189440 1199520 1214220 1224510 1248912 1259496 1263780 1274931 1295168 1296540 1306144 1326969 1348032 1376116 1382976 1387680 1399440 1416590 1439424 1444320 1457064 1469412 1474410 1481760 1516536 1561140 1572704 1574370 1618960 1632680 1665216 1679328 1685040 1699908 1720145 1728720 1733184 1769292 1784160 1799280 1821330 1836765 1865920 1895670 1942752 1959216 1965880 2022048 2064174 2074464 2081520 2099160 2124885 2166480 2185596 2204118 2211615 2246720 2266544 2304960 2359056 2399040 2408203 2428440 2449020 2497824 2518992 2527560 2549862 2593080 2612288 2653938 2731995 2752232 2775360 2798880 2833180 2888640 2914128 2938824 2948820 2963520 3033072 3096261 3122280 3145408 3148740 3237920 3265360 3358656 3370080 3399816 3440290 3457440 3538584 3568320 3598560 3642660 3673530 3791340 3824793 3885504 3918432 3931760 4044096 4128348 4148928 4163040 4198320 4249770 4332960 4371192 4408236 4423230 4533088 4718112 4816406 4856880 4898040 4995648 5037984 5055120 5099724 5160435 5186160 5307876 5463990 5504464 5510295 5597760 5666360 5828256 5877648 5897640 6066144 6192522 6244560 6297480 6374655 6475840 6530720 6634845 6740160 6799632 6880580 6914880 7077168 7197120 7224609 7285320 7347060 7582680 7649586 7836864 7863520 8256696 8326080 8396640 8499540 8665920 8742384 8816472 8846460 9066176 9288783 9436224 9632812 9713760 9796080 10075968 10110240 10199448 10320870 10372320 10615752 10927980 11008928 11020590 11332720 11656512 11755296 11795280 12041015 12132288 12385044 12489120 12594960 12749310 13061440 13269690 13599264 13761160 14154336 14449218 14570640 14694120 15165360 15299172 15481305 15727040 16513392 16793280 16999080 17484768 17632944 17692920 18577566 19123965 19265624 19427520 19592160 20220480 20398896 20641740 20744640 21231504 21673827 21855960 22017856 22041180 22665440 23510592 23590560 24082030 24770088 24978240 25189920 25498620 26539380 27198528 27522320 28308672 28898436 29141280 29388240 30330720 30598344 30962610 33026784 33998160 34969536 35265888 35385840 36123045 37155132 38247930 38531248 39184320 40797792 41283480 42463008 43347654 43711920 44082360 45330880 46443915 47181120 48164060 49540176 50379840 50997240 53078760 55044640 57796872 58282560 58776480 60661440 61196688 61925220 65021481 66053568 67996320 70531776 70771680 72246090 74310264 76495860 77062496 81595584 82566960 84926016 86695308 87423840 88164720 92887830 96328120 99080352 101994480 106157520 108369135 110089280 115593744 117552960 122393376 123850440 130042962 135992640 141543360 144492180 148620528 152991720 154124992 165133920 173390616 174847680 176329440 185775660 192656240 198160704 203988960 212315040 216738270 231187488 244786752 247700880 260085924 288984360 297241056 305983440 325107405 330267840 346781232 352658880 371551320 385312480 407977920 424630080 433476540 462374976 495401760 520171848 577968720 594482112 611966880 650214810 693562464 743102640 770624960 866953080 990803520 1040343696 1155937440 1223933760 1300429620 1387124928 1486205280 1733906160 2080687392 2311874880 2600859240 2972410560 3467812320 4161374784 5201718480 6935624640 10403436960 20806873920
• Sum of all divisors σ(n): 92204438400
• Sum of proper divisors (its aliquot sum) s(n): 71397564480
• 20806873920 is an abundant number, because the sum of its proper divisors (71397564480) is greater than itself. Its abundance is 50590690560

Bases of 20806873920

• Binary: 10011011000001011111011001101000000₂
• Hexadecimal: 0x4D82FB340
• Base-36: 9K3VIO0

Squares and roots of 20806873920

• 20806873920 squared (20806873920²) is 432926002322776166400
• 20806873920 cubed (20806873920³) is 9007836747019630838665740288000
• The square root of 20806873920 is 144245.8800798137
• The cube root of 20806873920 is 2750.4406531337

Scales and comparisons

• 20,806,873,920 seconds is equal to 661 years, 30 weeks, 6 days, 7 hours, 12 minutes.
• To count from 1 to 20,806,873,920 would take you about one thousand, three hundred twenty-three 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 20806873920 cubic inches would be around 229.2 feet tall.

Recreational maths with 20806873920

• 20806873920 backwards is 02937860802
• 20806873920 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 20806873920's digits is 45
• More coming soon!