18909854421600

Names of 18909854421600

• Cardinal: 18909854421600 can be written as Eighteen trillion, nine hundred nine billion, eight hundred fifty-four million, four hundred twenty-one thousand, six hundred.

Scientific notation

• Scientific notation: 1.89098544216 × 10¹³

Factors of 18909854421600

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 13
• Sum of prime factors: 196

Divisors of 18909854421600

• Number of divisors d(n): 360
• Complete list of divisors:
  1 2 3 4 5 6 8 10 12 15 16 20 24 25 30 32 40 48 50 60 75 80 89 96 97 100 120 150 160 178 194 200 240 267 291 300 356 388 400 445 480 485 534 582 600 712 776 800 890 970 1068 1164 1200 1335 1424 1455 1552 1780 1940 2136 2225 2328 2400 2425 2670 2848 2910 3104 3560 3880 4272 4450 4656 4850 5340 5820 6675 7120 7275 7760 8544 8633 8900 9312 9409 9700 10680 11640 13350 14240 14550 15520 17266 17800 18818 19400 21360 23280 25899 26700 28227 29100 34532 35600 37636 38800 42720 43165 46560 47045 51798 53400 56454 58200 69064 71200 75272 77600 86330 94090 103596 106800 112908 116400 129495 138128 141135 150544 172660 188180 207192 213600 215825 225816 232800 235225 258990 276256 282270 301088 345320 376360 414384 431650 451632 470450 517980 564540 647475 690640 705675 752720 828768 837401 863300 903264 912673 940900 1035960 1129080 1294950 1381280 1411350 1505440 1674802 1726600 1825346 1881800 2071920 2258160 2512203 2589900 2738019 2822700 3349604 3453200 3650692 3763600 4143840 4187005 4516320 4563365 5024406 5179800 5476038 5645400 6699208 6906400 7301384 7527200 8374010 9126730 10048812 10359600 10952076 11290800 12561015 13398416 13690095 14602768 16748020 18253460 20097624 20719200 20935025 21904152 22581600 22816825 25122030 26796832 27380190 29205536 33496040 36506920 40195248 41870050 43808304 45633650 50244060 54760380 62805075 66992080 68450475 73013840 80390496 81227897 83740100 87616608 88529281 91267300 100488120 109520760 125610150 133984160 136900950 146027680 162455794 167480200 177058562 182534600 200976240 219041520 243683691 251220300 265587843 273801900 324911588 334960400 354117124 365069200 401952480 406139485 438083040 442646405 487367382 502440600 531175686 547603800 649823176 669920800 708234248 730138400 812278970 885292810 974734764 1004881200 1062351372 1095207600 1218418455 1299646352 1327939215 1416468496 1624557940 1770585620 1949469528 2009762400 2030697425 2124702744 2190415200 2213232025 2436836910 2599292704 2655878430 2832936992 3249115880 3541171240 3898939056 4061394850 4249405488 4426464050 4873673820 5311756860 6092092275 6498231760 6639696075 7082342480 7797878112 7879106009 8122789700 8498810976 8852928100 9747347640 10623513720 12184184550 12996463520 13279392150 14164684960 15758212018 16245579400 17705856200 19494695280 21247027440 23637318027 24368369100 26558784300 31516424036 32491158800 35411712400 38989390560 39395530045 42494054880 47274636054 48736738200 53117568600 63032848072 64982317600 70823424800 78791060090 94549272108 97473476400 106235137200 118186590135 126065696144 157582120180 189098544216 194946952800 196977650225 212470274400 236373180270 252131392288 315164240360 378197088432 393955300450 472746360540 590932950675 630328480720 756394176864 787910600900 945492721080 1181865901350 1260656961440 1575821201800 1890985442160 2363731802700 3151642403600 3781970884320 4727463605400 6303284807200 9454927210800 18909854421600
• Sum of all divisors σ(n): 62891533199880
• Sum of proper divisors (its aliquot sum) s(n): 43981678778280
• 18909854421600 is an abundant number, because the sum of its proper divisors (43981678778280) is greater than itself. Its abundance is 25071824356680

Bases of 18909854421600

• Binary: 100010011001011001011001001111101001001100000₂
• Hexadecimal: 0x1132CB27D260
• Base-36: 6PB2F31PC

Squares and roots of 18909854421600

• 18909854421600 squared (18909854421600²) is 357582594246105070546560000
• 18909854421600 cubed (18909854421600³) is 6761834800891908686853047544669696000000
• The square root of 18909854421600 is 4348546.2423205299
• The cube root of 18909854421600 is 26641.7487613299

Scales and comparisons

• 18,909,854,421,600 seconds is equal to 601,274 years, 45 weeks, 4 days, 19 hours, 20 minutes.
• To count from 1 to 18,909,854,421,600 would take you about one million, five hundred three thousand, one hundred eighty-seven 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 18909854421600 cubic inches would be around 2220.1 feet tall.

Recreational maths with 18909854421600

• 18909854421600 backwards is 00612445890981
• The number of decimal digits it has is: 14
• The sum of 18909854421600's digits is 57
• More coming soon!