18542439968000

Names of 18542439968000

• Cardinal: 18542439968000 can be written as Eighteen trillion, five hundred forty-two billion, four hundred thirty-nine million, nine hundred sixty-eight thousand.

Scientific notation

• Scientific notation: 1.8542439968 × 10¹³

Factors of 18542439968000

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 14
• Sum of prime factors: 14014

Divisors of 18542439968000

• Number of divisors d(n): 288
• Complete list of divisors:
  1 2 4 5 8 10 13 16 20 25 26 32 40 50 52 64 65 80 100 104 125 128 130 160 200 208 250 256 260 320 325 400 416 500 520 640 650 800 832 1000 1040 1280 1300 1600 1625 1664 2000 2080 2600 3200 3250 3328 4000 4160 4903 5200 6400 6500 8000 8320 9091 9806 10400 13000 16000 16640 18182 19612 20800 24515 26000 32000 36364 39224 41600 45455 49030 52000 63739 72728 78448 83200 90910 98060 104000 118183 122575 127478 145456 156896 181820 196120 208000 227275 236366 245150 254956 290912 313792 318695 363640 392240 416000 454550 472732 490300 509912 581824 590915 612875 627584 637390 727280 784480 909100 945464 980600 1019824 1136375 1163648 1181830 1225750 1255168 1274780 1454560 1568960 1593475 1818200 1890928 1961200 2039648 2272750 2327296 2363660 2451500 2549560 2909120 2954575 3137920 3186950 3636400 3781856 3922400 4079296 4545500 4727320 4903000 5099120 5818240 5909150 6275840 6373900 7272800 7563712 7844800 7967375 8158592 9091000 9454640 9806000 10198240 11636480 11818300 12747800 14545600 14772875 15127424 15689600 15934750 16317184 18182000 18909280 19612000 20396480 23636600 25495600 29091200 29545750 30254848 31379200 31869500 36364000 37818560 39224000 40792960 44573173 47273200 50991200 58182400 59091500 63739000 72728000 75637120 78448000 81585920 89146346 94546400 101982400 118183000 127478000 145456000 151274240 156896000 178292692 189092800 203964800 222865865 236366000 254956000 290912000 356585384 378185600 407929600 445731730 472732000 509912000 579451249 713170768 756371200 891463460 945464000 1019824000 1114329325 1158902498 1426341536 1782926920 1890928000 2039648000 2228658650 2317804996 2852683072 2897256245 3565853840 3781856000 4457317300 4635609992 5571646625 5705366144 5794512490 7131707680 8914634600 9271219984 11143293250 11410732288 11589024980 14263415360 14486281225 17829269200 18542439968 22286586500 23178049960 28526830720 28972562450 35658538400 37084879936 44573173000 46356099920 57053661440 57945124900 71317076800 72431406125 74169759872 89146346000 92712199840 115890249800 142634153600 144862812250 148339519744 178292692000 185424399680 231780499600 285268307200 289725624500 356585384000 370848799360 463560999200 579451249000 713170768000 741697598720 927121998400 1158902498000 1426341536000 1854243996800 2317804996000 3708487993600 4635609992000 9271219984000 18542439968000
• Sum of all divisors σ(n): 49760349580032
• Sum of proper divisors (its aliquot sum) s(n): 31217909612032
• 18542439968000 is an abundant number, because the sum of its proper divisors (31217909612032) is greater than itself. Its abundance is 12675469644032

Bases of 18542439968000

• Binary: 100001101110100111111100011000010110100000000₂
• Hexadecimal: 0x10DD3F8C2D00
• Base-36: 6KMA206WW

Squares and roots of 18542439968000

• 18542439968000 squared (18542439968000²) is 343822079966883841024000000
• 18542439968000 cubed (18542439968000³) is 6375300277458839050216775647232000000000
• The square root of 18542439968000 is 4306093.3533772813
• The cube root of 18542439968000 is 26468.0711780235

Scales and comparisons

• 18,542,439,968,000 seconds is equal to 589,592 years, 12 weeks, 1 day, 16 hours, 53 minutes, 20 seconds.
• To count from 1 to 18,542,439,968,000 would take you about one million, four hundred seventy-three thousand, nine hundred eighty 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 18542439968000 cubic inches would be around 2205.7 feet tall.

Recreational maths with 18542439968000

• 18542439968000 backwards is 00086993424581
• The number of decimal digits it has is: 14
• The sum of 18542439968000's digits is 59
• More coming soon!