18942920617920

Names of 18942920617920

• Cardinal: 18942920617920 can be written as Eighteen trillion, nine hundred forty-two billion, nine hundred twenty million, six hundred seventeen thousand, nine hundred twenty.

Scientific notation

• Scientific notation: 1.894292061792 × 10¹³

Factors of 18942920617920

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 13
• Sum of prime factors: 1313

Divisors of 18942920617920

• Number of divisors d(n): 504
• Complete list of divisors:
  1 2 3 4 5 6 8 10 12 13 15 16 20 24 26 30 32 39 40 48 52 60 64 65 78 80 96 104 120 130 156 160 169 192 195 208 240 260 312 320 338 353 390 416 480 507 520 624 676 706 780 832 845 937 960 1014 1040 1059 1248 1352 1412 1560 1690 1765 1874 2028 2080 2118 2496 2535 2704 2811 2824 3120 3380 3530 3748 4056 4160 4236 4589 4685 5070 5295 5408 5622 5648 6240 6760 7060 7496 8112 8472 9178 9370 10140 10590 10816 11244 11296 12181 12480 13520 13767 14055 14120 14992 16224 16944 18356 18740 20280 21180 22488 22592 22945 24362 27040 27534 28110 28240 29984 32448 33888 36543 36712 37480 40560 42360 44976 45890 48724 54080 55068 56220 56480 59657 59968 60905 67776 68835 73086 73424 74960 81120 84720 89952 91780 97448 110136 112440 112960 119314 121810 124609 137670 146172 146848 149920 158353 162240 169440 178971 179904 182715 183560 194896 220272 224880 238628 243620 249218 275340 292344 293696 298285 299840 316706 330761 338880 357942 365430 367120 373827 389792 440544 449760 475059 477256 487240 498436 550680 584688 596570 623045 633412 661522 715884 730860 734240 747654 779584 791765 881088 894855 899520 950118 954512 974480 992283 996872 1101360 1169376 1193140 1246090 1266824 1323044 1431768 1461720 1468480 1495308 1583530 1619917 1653805 1789710 1869135 1900236 1909024 1948960 1984566 1993744 2202720 2338752 2375295 2386280 2492180 2533648 2646088 2863536 2923440 2990616 3167060 3239834 3307610 3579420 3738270 3800472 3818048 3897920 3969132 3987488 4299893 4405440 4750590 4772560 4859751 4961415 4984360 5067296 5292176 5727072 5846880 5981232 6334120 6479668 6615220 7158840 7476540 7600944 7938264 7974976 8099585 8599786 9501180 9545120 9719502 9922830 9968720 10134592 10584352 11454144 11693760 11962464 12668240 12899679 12959336 13230440 14317680 14953080 15201888 15876528 16199170 17199572 19002360 19090240 19439004 19845660 19937440 21058921 21168704 21499465 23924928 24298755 25336480 25799358 25918672 26460880 28635360 29906160 30403776 31753056 32398340 34399144 38004720 38878008 39691320 39874880 42117842 42998930 48597510 50672960 51598716 51837344 52921760 55898609 57270720 59812320 63176763 63506112 64498395 64796680 68798288 76009440 77756016 79382640 84235684 85997860 97195020 103197432 103674688 105294605 105843520 111797218 116758633 119624640 126353526 128996790 129593360 137596576 152018880 155512032 158765280 167695827 168471368 171995720 194390040 206394864 210589210 223594436 233517266 252707052 257993580 259186720 275193152 279493045 311024064 315883815 317530560 335391654 336942736 343991440 350275899 388780080 412789728 421178420 447188872 467034532 505414104 515987160 518373440 558986090 583793165 631767630 670783308 673885472 687982880 700551798 777560160 825579456 838479135 842356840 894377744 934069064 1010828208 1031974320 1117972180 1167586330 1263535260 1341566616 1347770944 1375965760 1401103596 1517862229 1555120320 1676958270 1684713680 1751379495 1788755488 1868138128 2021656416 2063948640 2235944360 2335172660 2527070520 2683133232 2802207192 3035724458 3353916540 3369427360 3502758990 3577510976 3736276256 4043312832 4127897280 4471888720 4553586687 4670345320 5054141040 5366266464 5604414384 6071448916 6707833080 6738854720 7005517980 7472552512 7589311145 8943777440 9107173374 9340690640 10108282080 10732532928 11208828768 12142897832 13415666160 14011035960 15178622290 17887554880 18214346748 18681381280 19732208977 20216564160 22417657536 22767933435 24285795664 26831332320 28022071920 30357244580 36428693496 37362762560 39464417954 45535866870 48571591328 53662664640 56044143840 59196626931 60714489160 72857386992 78928835908 91071733740 97143182656 98661044885 112088287680 118393253862 121428978320 145714773984 157857671816 182143467480 197322089770 236786507724 242857956640 291429547968 295983134655 315715343632 364286934960 394644179540 473573015448 485715913280 591966269310 631430687264 728573869920 789288359080 947146030896 1183932538620 1262861374528 1457147739840 1578576718160 1894292061792 2367865077240 3157153436320 3788584123584 4735730154480 6314306872640 9471460308960 18942920617920
• Sum of all divisors σ(n): 65380815548496
• Sum of proper divisors (its aliquot sum) s(n): 46437894930576
• 18942920617920 is an abundant number, because the sum of its proper divisors (46437894930576) is greater than itself. Its abundance is 27494974312656

Bases of 18942920617920

• Binary: 100010011101001111110000011011110111111000000₂
• Hexadecimal: 0x113A7E0DEFC0
• Base-36: 6PQ99UE2O

Squares and roots of 18942920617920

• 18942920617920 squared (18942920617920²) is 358834241536818634625126400
• 18942920617920 cubed (18942920617920³) is 6797368552423486980643970092646105088000
• The square root of 18942920617920 is 4352346.5645465321
• The cube root of 18942920617920 is 26657.2685056133

Scales and comparisons

• 18,942,920,617,920 seconds is equal to 602,326 years, 14 weeks, 4 days, 9 hours, 52 minutes.
• To count from 1 to 18,942,920,617,920 would take you about one million, five hundred five thousand, eight 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 18942920617920 cubic inches would be around 2221.4 feet tall.

Recreational maths with 18942920617920

• 18942920617920 backwards is 02971602924981
• 18942920617920 is a Harshad number.
• The number of decimal digits it has is: 14
• The sum of 18942920617920's digits is 60
• More coming soon!