18309938989775199040

Names of 18309938989775199040

• Cardinal: 18309938989775199040 can be written as Eighteen quintillion, three hundred nine quadrillion, nine hundred thirty-eight trillion, nine hundred eighty-nine billion, seven hundred seventy-five million, one hundred ninety-nine thousand and forty.

Scientific notation

• Scientific notation: 1.830993898977519904 × 10¹⁹

Factors of 18309938989775199040

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 29647510

Divisors of 18309938989775199040

• Number of divisors d(n): 112
• Complete list of divisors:
  1 2 4 5 8 10 16 20 32 40 64 80 160 320 5813 11626 23252 29065 46504 58130 93008 116260 186016 232520 335879 372032 465040 671758 930080 1343516 1679395 1860160 2687032 3358790 5374064 6717580 10748128 13435160 21496256 26870320 29305811 53740640 58611622 107481280 117223244 146529055 234446488 293058110 468892976 586116220 937785952 1172232440 1875571904 1952464627 2344464880 3904929254 4688929760 7809858508 9377859520 9762323135 15619717016 19524646270 31239434032 39049292540 62478868064 78098585080 124957736128 156197170160 170354679343 312394340320 340709358686 624788680640 681418717372 851773396715 1362837434744 1703546793430 2725674869488 3407093586860 5451349738976 6814187173720 9843206492869 10902699477952 13628374347440 19686412985738 27256748694880 39372825971476 49216032464345 54513497389760 78745651942952 98432064928690 157491303885904 196864129857380 314982607771808 393728259714760 629965215543616 787456519429520 1574913038859040 3149826077718080 57218559343047497 114437118686094994 228874237372189988 286092796715237485 457748474744379976 572185593430474970 915496949488759952 1144371186860949940 1830993898977519904 2288742373721899880 3661987797955039808 4577484747443799760 9154969494887599520 18309938989775199040
• Sum of all divisors σ(n): 43608174063384862080
• Sum of proper divisors (its aliquot sum) s(n): 25298235073609663040
• 18309938989775199040 is an abundant number, because the sum of its proper divisors (25298235073609663040) is greater than itself. Its abundance is 6988296083834464000

Bases of 18309938989775199040

• Binary: 1111111000011001111110001000000001000000101000000001101101000000₂
• Hexadecimal: 0xFE19F88040A01B40
• Base-36: 3V3YZOA88VCXS

Squares and roots of 18309938989775199040

• 18309938989775199040 squared (18309938989775199040²) is 335253865809290036375063674671616921600
• 18309938989775199040 cubed (18309938989775199040³) is 6138477829054382150364657063506964885020306015272075264000
• The square root of 18309938989775199040 is 4279011450.0635773643
• The cube root of 18309938989775199040 is 2635697.9112284377

Scales and comparisons

• 18,309,938,989,775,199,040 seconds is equal to 293,274,701,009 years, 3 weeks, 3 days, 15 hours, 30 minutes, 7 seconds.
• To count from 1 to 18,309,938,989,775,199,040 would take you about two hundred ninety-three billion, two hundred seventy-four million, seven hundred one thousand and nine 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 18309938989775199040 cubic inches would be around 219641.5 feet tall.

Recreational maths with 18309938989775199040

• 18309938989775199040 backwards is 04099157798983990381
• The number of decimal digits it has is: 20
• The sum of 18309938989775199040's digits is 109
• More coming soon!