18913989790080

Names of 18913989790080

• Cardinal: 18913989790080 can be written as Eighteen trillion, nine hundred thirteen billion, nine hundred eighty-nine million, seven hundred ninety thousand and eighty.

Scientific notation

• Scientific notation: 1.891398979008 × 10¹³

Factors of 18913989790080

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 14
• Sum of prime factors: 46288

Divisors of 18913989790080

• Number of divisors d(n): 768
• Complete list of divisors:
  1 2 3 4 5 6 7 8 9 10 11 12 14 15 16 18 20 21 22 24 28 30 32 33 35 36 40 42 44 45 48 55 56 60 63 64 66 70 72 77 80 84 88 90 96 99 105 110 112 120 126 128 132 140 144 154 160 165 168 176 180 192 198 210 220 224 231 240 252 264 280 288 308 315 320 330 336 352 360 384 385 396 420 440 448 462 480 495 504 528 560 576 616 630 640 660 672 693 704 720 770 792 840 880 896 924 941 960 990 1008 1056 1120 1152 1155 1232 1260 1320 1344 1386 1408 1440 1540 1584 1680 1760 1848 1882 1920 1980 2016 2112 2240 2310 2464 2520 2640 2688 2772 2823 2880 3080 3168 3360 3465 3520 3696 3764 3960 4032 4224 4480 4620 4705 4928 5040 5280 5544 5646 5760 6160 6336 6587 6720 6930 7040 7392 7528 7920 8064 8469 9240 9410 9856 10080 10351 10560 11088 11292 12320 12672 13174 13440 13860 14115 14784 15056 15840 16938 18480 18820 19761 20160 20702 21120 22176 22584 24640 26348 27720 28230 29568 30112 31053 31680 32935 33876 36960 37640 39522 40320 41404 42345 44352 45168 45319 49280 51755 52696 55440 56460 59283 60224 62106 63360 65870 67752 72457 73920 75280 79044 82808 84690 88704 90336 90638 93159 98805 103510 105392 110880 112920 118566 120448 124212 131740 135504 135957 144914 147840 150560 155265 158088 165616 169380 180672 181276 186318 197610 207020 210784 217371 221760 225840 226595 237132 248424 263480 271008 271914 289828 296415 301120 310530 316176 317233 331232 338760 361344 362285 362552 372636 395220 407871 414040 421568 434742 443520 451680 453190 465795 474264 496848 498509 526960 542016 543828 579656 592830 602240 621060 632352 634466 652113 662464 677520 679785 724570 725104 745272 790440 815742 828080 843136 869484 903360 906380 931590 948528 951699 993696 997018 1053920 1084032 1086855 1087656 1159312 1185660 1242120 1264704 1268932 1304226 1324928 1355040 1359570 1449140 1450208 1490544 1495527 1580880 1586165 1631484 1656160 1738968 1806720 1812760 1863180 1897056 1903398 1987392 1994036 2039355 2107840 2173710 2175312 2318624 2371320 2484240 2492545 2529408 2537864 2608452 2710080 2719140 2855097 2898280 2900416 2981088 2991054 3161760 3172330 3260565 3262968 3312320 3477936 3489563 3625520 3726360 3794112 3806796 3974784 3988072 4078710 4215680 4347420 4350624 4486581 4637248 4742640 4758495 4968480 4985090 5075728 5216904 5420160 5438280 5710194 5796560 5800832 5962176 5982108 6323520 6344660 6521130 6525936 6624640 6955872 6979126 7251040 7452720 7477635 7588224 7613592 7976144 8157420 8694840 8701248 8973162 9274496 9485280 9516990 9936960 9970180 10151456 10433808 10468689 10876560 11420388 11593120 11924352 11964216 12647040 12689320 13042260 13051872 13911744 13958252 14275485 14502080 14905440 14955270 15227184 15952288 16314840 17389680 17402496 17447815 17946324 18970560 19033980 19873920 19940360 20302912 20867616 20937378 21753120 22432905 22840776 23186240 23928432 25378640 26084520 26103744 27823488 27916504 28550970 29004160 29810880 29910540 30454368 31406067 31904576 32629680 34779360 34895630 35892648 37941120 38067960 39880720 40605824 41735232 41874756 42645179 43506240 44865810 45681552 46372480 47856864 50757280 52169040 52207488 52343445 55833008 57101940 59621760 59821080 60908736 62812134 63809152 65259360 69558720 69791260 71785296 76135920 79761440 83470464 83749512 85290358 87012480 89731620 91363104 95713728 101514560 104338080 104686890 111666016 114203880 119642160 121817472 125624268 127935537 130518720 139117440 139582520 143570592 152271840 157030335 159522880 167499024 170580716 179463240 182726208 191427456 203029120 208676160 209373780 213225895 223332032 228407760 239284320 251248536 255871074 261037440 279165040 287141184 298516253 304543680 314060670 319045760 334998048 341161432 358926480 365452416 383806611 417352320 418747560 426451790 446664064 456815520 469096969 478568640 502497072 511742148 558330080 574282368 597032506 609087360 628121340 639677685 669996096 682322864 717852960 767613222 837495120 852903580 895548759 913631040 938193938 957137280 1004994144 1023484296 1116660160 1194065012 1256242680 1279355370 1339992192 1364645728 1407290907 1435705920 1492581265 1535226444 1674990240 1705807160 1791097518 1827262080 1876387876 1919033055 2009988288 2046968592 2233320320 2345484845 2388130024 2512485360 2558710740 2686646277 2729291456 2814581814 2871411840 2985162530 3070452888 3283678783 3349980480 3411614320 3582195036 3752775752 3838066110 4019976576 4093937184 4221872721 4477743795 4690969690 4776260048 5024970720 5117421480 5373292554 5458582912 5629163628 5970325060 6140905776 6567357566 6699960960 6823228640 7036454535 7164390072 7505551504 7676132220 8187874368 8443745442 8955487590 9381939380 9552520096 9851036349 10049941440 10234842960 10746585108 11258327256 11940650120 12281811552 13134715132 13433231385 13646457280 14072909070 14328780144 15011103008 15352264440 16375748736 16418393915 16887490884 17910975180 18763878760 19105040192 19702072698 20099882880 20469685920 21109363605 21493170216 22516654512 23881300240 24563623104 26269430264 26866462770 27292914560 28145818140 28657560288 29553109047 30022206016 30704528880 32836787830 33774981768 35821950360 37527757520 38210080384 39404145396 40939371840 42218727210 42986340432 45033309024 47762600480 49127246208 49255181745 52538860528 53732925540 56291636280 57315120576 59106218094 60044412032 61409057760 65673575660 67549963536 71643900720 75055515040 78808290792 81878743680 84437454420 85972680864 90066618048 95525200960 98510363490 105077721056 107465851080 112583272560 114630241152 118212436188 122818115520 131347151320 135099927072 143287801440 147765545235 150111030080 157616581584 168874908840 171945361728 180133236096 191050401920 197020726980 210155442112 214931702160 225166545120 236424872376 245636231040 262694302640 270199854144 286575602880 295531090470 300222060160 315233163168 337749817680 343890723456 394041453960 420310884224 429863404320 450333090240 472849744752 525388605280 540399708288 573151205760 591062180940 630466326336 675499635360 788082907920 859726808640 900666180480 945699489504 1050777210560 1182124361880 1260932652672 1350999270720 1576165815840 1719453617280 1891398979008 2101554421120 2364248723760 2701998541440 3152331631680 3782797958016 4728497447520 6304663263360 9456994895040 18913989790080
• Sum of all divisors σ(n): 81516743193600
• Sum of proper divisors (its aliquot sum) s(n): 62602753403520
• 18913989790080 is an abundant number, because the sum of its proper divisors (62602753403520) is greater than itself. Its abundance is 43688763613440

Bases of 18913989790080

• Binary: 100010011001111000001101001001000100110000000₂
• Hexadecimal: 0x1133C1A48980
• Base-36: 6PCYT6CG0

Squares and roots of 18913989790080

• 18913989790080 squared (18913989790080²) is 357739009779250482466406400
• 18913989790080 cubed (18913989790080³) is 6766271978478072900004524706187968512000
• The square root of 18913989790080 is 4349021.7049446879
• The cube root of 18913989790080 is 26643.6907015017

Scales and comparisons

• 18,913,989,790,080 seconds is equal to 601,406 years, 19 weeks, 1 day, 20 hours, 48 minutes.
• To count from 1 to 18,913,989,790,080 would take you about one million, five hundred three thousand, five hundred fifteen 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 18913989790080 cubic inches would be around 2220.3 feet tall.

Recreational maths with 18913989790080

• 18913989790080 backwards is 08009798931981
• 18913989790080 is a Harshad number.
• The number of decimal digits it has is: 14
• The sum of 18913989790080's digits is 72
• More coming soon!