20894887998720

Names of 20894887998720

• Cardinal: 20894887998720 can be written as Twenty trillion, eight hundred ninety-four billion, eight hundred eighty-seven million, nine hundred ninety-eight thousand, seven hundred twenty.

Scientific notation

• Scientific notation: 2.089488799872 × 10¹³

Factors of 20894887998720

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 15
• Sum of prime factors: 31043

Divisors of 20894887998720

• Number of divisors d(n): 648
• Complete list of divisors:
  1 2 3 4 5 6 8 9 10 12 15 16 18 20 24 30 31 32 36 40 45 48 60 61 62 64 72 80 90 93 96 120 122 124 128 144 155 160 180 183 186 192 240 244 248 256 279 288 305 310 320 360 366 372 384 465 480 488 496 549 558 576 610 620 640 720 732 744 768 915 930 960 961 976 992 1098 1116 1152 1220 1240 1280 1395 1440 1464 1488 1830 1860 1891 1920 1922 1952 1984 2196 2232 2304 2440 2480 2745 2790 2880 2883 2928 2976 3660 3720 3782 3840 3844 3904 3968 4392 4464 4805 4880 4960 5490 5580 5673 5760 5766 5856 5952 7320 7440 7564 7688 7808 7936 8649 8784 8928 9455 9610 9760 9920 10980 11160 11346 11520 11532 11712 11904 14415 14640 14880 15128 15376 15616 17019 17298 17568 17856 18910 19220 19520 19840 21960 22320 22692 23064 23424 23808 28365 28830 29280 29760 30256 30752 30941 34038 34596 35136 35712 37820 38440 39040 39680 43245 43920 44640 45384 46128 46848 56730 57660 58560 58621 59520 60512 61504 61882 68076 69192 70272 71424 75640 76880 78080 85095 86490 87840 89280 90768 92256 92823 113460 115320 117120 117242 119040 121024 123008 123764 136152 138384 140544 151280 153760 154705 170190 172980 175680 175863 178560 181536 184512 185646 226920 230640 234240 234484 242048 246016 247528 272304 276768 278469 293105 302560 307520 309410 340380 345960 351360 351726 357120 363072 369024 371292 453840 461280 464115 468968 484096 495056 527589 544608 553536 556938 586210 605120 615040 618820 680760 691920 702720 703452 726144 738048 742584 879315 907680 922560 928230 937936 959171 990112 1055178 1089216 1107072 1113876 1172420 1210240 1230080 1237640 1361520 1383840 1392345 1406904 1452288 1485168 1758630 1815360 1845120 1856460 1875872 1887401 1918342 1980224 2110356 2178432 2214144 2227752 2344840 2420480 2475280 2637945 2723040 2767680 2784690 2813808 2877513 2970336 3517260 3630720 3690240 3712920 3751744 3774802 3836684 3960448 4220712 4356864 4455504 4689680 4795855 4950560 5275890 5446080 5535360 5569380 5627616 5662203 5755026 5940672 7034520 7261440 7425840 7503488 7549604 7673368 7920896 8441424 8632539 8911008 9379360 9437005 9591710 9901120 10551780 10892160 11070720 11138760 11255232 11324406 11510052 11881344 14069040 14387565 14851680 15006976 15099208 15346736 16882848 16986609 17265078 17822016 18758720 18874010 19183420 19802240 21103560 21784320 22277520 22510464 22648812 23020104 23762688 28138080 28311015 28775130 29703360 29734301 30198416 30693472 33765696 33973218 34530156 35644032 37517440 37748020 38366840 39604480 42207120 43162695 44555040 45020928 45297624 46040208 56276160 56622030 57550260 58509431 59406720 59468602 60396832 61386944 67531392 67946436 69060312 71288064 75034880 75496040 76733680 84414240 84933045 86325390 89110080 89202903 90595248 92080416 112552320 113244060 115100520 117018862 118813440 118937204 120793664 122773888 135062784 135892872 138120624 148671505 150992080 153467360 168828480 169866090 172650780 175528293 178220160 178405806 181190496 184160832 225104640 226488120 230201040 234037724 237874408 241587328 245547776 267608709 271785744 276241248 292547155 297343010 301984160 306934720 337656960 339732180 345301560 351056586 356440320 356811612 362380992 368321664 446014515 452976240 460402080 468075448 475748816 483174656 526584879 535217418 543571488 552482496 585094310 594686020 603968320 613869440 675313920 679464360 690603120 702113172 713623224 724761984 736643328 877641465 892029030 905952480 920804160 936150896 951497632 1053169758 1070434836 1087142976 1104964992 1170188620 1189372040 1207936640 1227738880 1338043545 1358928720 1381206240 1404226344 1427246448 1449523968 1755282930 1784058060 1811904960 1813792361 1841608320 1872301792 1902995264 2106339516 2140869672 2174285952 2209929984 2340377240 2378744080 2415873280 2632924395 2676087090 2717857440 2762412480 2808452688 2854492896 3510565860 3568116120 3623809920 3627584722 3683216640 3744603584 3805990528 4212679032 4281739344 4348571904 4680754480 4757488160 5265848790 5352174180 5435714880 5441377083 5524824960 5616905376 5708985792 7021131720 7136232240 7247619840 7255169444 7489207168 7611981056 8425358064 8563478688 9068961805 9361508960 9514976320 10531697580 10704348360 10871429760 10882754166 11049649920 11233810752 11417971584 14042263440 14272464480 14510338888 14978414336 16324131249 16850716128 17126957376 18137923610 18723017920 19029952640 21063395160 21408696720 21742859520 21765508332 22467621504 22835943168 27206885415 28084526880 28544928960 29020677776 32648262498 33701432256 34253914752 36275847220 37446035840 38059905280 42126790320 42817393440 43531016664 44935243008 54413770830 56169053760 57089857920 58041355552 65296524996 67402864512 68507829504 72551694440 74892071680 81620656245 84253580640 85634786880 87062033328 108827541660 112338107520 114179715840 116082711104 130593049992 134805729024 145103388880 163241312490 168507161280 171269573760 174124066656 217655083320 224676215040 232165422208 261186099984 290206777760 326482624980 337014322560 342539147520 348248133312 435310166640 464330844416 522372199968 580413555520 652965249960 674028645120 696496266624 870620333280 1044744399936 1160827111040 1305930499920 1392992533248 1741240666560 2089488799872 2321654222080 2611860999840 3482481333120 4178977599744 5223721999680 6964962666240 10447443999360 20894887998720
• Sum of all divisors σ(n): 75928500405576
• Sum of proper divisors (its aliquot sum) s(n): 55033612406856
• 20894887998720 is an abundant number, because the sum of its proper divisors (55033612406856) is greater than itself. Its abundance is 34138724408136

Bases of 20894887998720

• Binary: 100110000000011111000011000000111010100000000₂
• Hexadecimal: 0x1300F8607500
• Base-36: 7EMZ8TOG0

Squares and roots of 20894887998720

• 20894887998720 squared (20894887998720²) is 436596344479053086721638400
• 20894887998720 cubed (20894887998720³) is 9122631718540389272169733593495502848000
• The square root of 20894887998720 is 4571092.6482319301
• The cube root of 20894887998720 is 27543.1336314627

Scales and comparisons

• 20,894,887,998,720 seconds is equal to 664,392 years, 41 weeks, 6 days, 11 hours, 12 minutes.
• To count from 1 to 20,894,887,998,720 would take you about one million, six hundred sixty thousand, nine hundred eighty-two 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 20894887998720 cubic inches would be around 2295.3 feet tall.

Recreational maths with 20894887998720

• 20894887998720 backwards is 02789978849802
• The number of decimal digits it has is: 14
• The sum of 20894887998720's digits is 81
• More coming soon!