20386585440

Names of 20386585440

• Cardinal: 20386585440 can be written as Twenty billion, three hundred eighty-six million, five hundred eighty-five thousand, four hundred forty.

Scientific notation

• Scientific notation: 2.038658544 × 10¹⁰

Factors of 20386585440

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 13
• Sum of prime factors: 5307

Divisors of 20386585440

• Number of divisors d(n): 480
• Complete list of divisors:
  1 2 3 4 5 6 8 9 10 12 13 15 16 18 20 23 24 26 27 30 32 36 39 40 45 46 48 52 54 60 65 69 72 78 80 81 90 92 96 104 108 115 117 120 130 135 138 144 156 160 162 180 184 195 207 208 216 230 234 240 260 270 276 288 299 312 324 345 351 360 368 390 405 414 416 432 460 468 480 520 540 552 585 598 621 624 648 690 702 720 736 780 810 828 864 897 920 936 1035 1040 1053 1080 1104 1170 1196 1242 1248 1296 1380 1404 1440 1495 1560 1620 1656 1755 1794 1840 1863 1872 2070 2080 2106 2160 2208 2340 2392 2484 2592 2691 2760 2808 2990 3105 3120 3240 3312 3510 3588 3680 3726 3744 4140 4212 4320 4485 4680 4784 4968 5261 5265 5382 5520 5616 5980 6210 6240 6480 6624 7020 7176 7452 8073 8280 8424 8970 9315 9360 9568 9936 10522 10530 10764 11040 11232 11960 12420 12960 13455 14040 14352 14904 15783 16146 16560 16848 17940 18630 18720 19872 21044 21060 21528 23920 24219 24840 26305 26910 28080 28704 29808 31566 32292 33120 33696 35880 37260 40365 42088 42120 43056 47349 47840 48438 49680 52610 53820 56160 59616 63132 64584 68393 71760 74520 78915 80730 84176 84240 86112 94698 96876 99360 105220 107640 121003 121095 126264 129168 136786 142047 143520 149040 157830 161460 168352 168480 189396 193752 205179 210440 215280 236745 242006 242190 252528 258336 273572 284094 298080 315660 322920 341965 363009 378792 387504 410358 420880 426141 430560 473490 484012 484380 505056 547144 568188 605015 615537 631320 645840 683930 710235 726018 757584 775008 820716 841760 852282 946980 968024 968760 1025895 1089027 1094288 1136376 1210030 1231074 1262640 1291680 1367860 1420470 1452036 1515168 1573039 1641432 1704564 1815045 1846611 1893960 1936048 1937520 2051790 2130705 2178054 2188576 2272752 2420060 2462148 2525280 2735720 2840940 2904072 3077685 3146078 3267081 3282864 3409128 3630090 3693222 3787920 3872096 3875040 4103580 4261410 4356108 4545504 4719117 4840120 4924296 5445135 5471440 5539833 5681880 5808144 6155370 6292156 6534162 6565728 6818256 7260180 7386444 7575840 7865195 8207160 8522820 8712216 9233055 9438234 9680240 9801243 9848592 10890270 10942880 11079666 11363760 11616288 12310740 12584312 13068324 13636512 14157351 14520360 14772888 15730390 16335405 16414320 17045640 17424432 18466110 18876468 19360480 19602486 19697184 21780540 22159332 22727520 23595585 24621480 25168624 26136648 27699165 28314702 29040720 29545776 31460780 32670810 32828640 34091280 34848864 36932220 37752936 39204972 42472053 43561080 44318664 47191170 49006215 49242960 50337248 52273296 55398330 56629404 58081440 59091552 62921560 65341620 68182560 70786755 73864440 75505872 78409944 84944106 87122160 88637328 94382340 98012430 98485920 104546592 110796660 113258808 125843120 127416159 130683240 141573510 147728880 151011744 156819888 169888212 174244320 177274656 188764680 196024860 212360265 221593320 226517616 251686240 254832318 261366480 283147020 295457760 313639776 339776424 377529360 392049720 424720530 443186640 453035232 509664636 522732960 566294040 637080795 679552848 755058720 784099440 849441060 886373280 1019329272 1132588080 1274161590 1359105696 1568198880 1698882120 2038658544 2265176160 2548323180 3397764240 4077317088 5096646360 6795528480 10193292720 20386585440
• Sum of all divisors σ(n): 80866247616
• Sum of proper divisors (its aliquot sum) s(n): 60479662176
• 20386585440 is an abundant number, because the sum of its proper divisors (60479662176) is greater than itself. Its abundance is 40093076736

Bases of 20386585440

• Binary: 10010111111001000101001101101100000₂
• Hexadecimal: 0x4BF229B60
• Base-36: 9D5NA00

Squares and roots of 20386585440

• 20386585440 squared (20386585440²) is 415612865902419993600
• 20386585440 cubed (20386585440³) is 8472927200682947902290653184000
• The square root of 20386585440 is 142781.6004953019
• The cube root of 20386585440 is 2731.7953653425

Scales and comparisons

• 20,386,585,440 seconds is equal to 648 years, 11 weeks, 6 days, 20 hours, 24 minutes.
• To count from 1 to 20,386,585,440 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 20386585440 cubic inches would be around 227.6 feet tall.

Recreational maths with 20386585440

• 20386585440 backwards is 04458568302
• 20386585440 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 20386585440's digits is 45
• More coming soon!