16943723331990021

Names of 16943723331990021

• Cardinal: 16943723331990021 can be written as Sixteen quadrillion, nine hundred forty-three trillion, seven hundred twenty-three billion, three hundred thirty-one million, nine hundred ninety thousand and twenty-one.

Scientific notation

• Scientific notation: 1.6943723331990021 × 10¹⁶

Factors of 16943723331990021

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 16
• Sum of prime factors: 16709

Divisors of 16943723331990021

• Number of divisors d(n): 144
• Complete list of divisors:
  1 3 7 9 21 27 49 63 81 147 189 243 343 441 567 729 1029 1323 1701 2187 3087 3969 5103 6561 9261 11907 15309 16699 19683 27783 35721 45927 50097 59049 83349 107163 116893 137781 150291 177147 250047 321489 350679 413343 450873 750141 818251 964467 1052037 1240029 1352619 2250423 2454753 2893401 3156111 4057857 5727757 6751269 7364259 8680203 9468333 12173571 17183271 20253807 22092777 28404999 36520713 51549813 60761421 66278331 85214997 109562139 154649439 198834993 255644991 278856601 328686417 463948317 596504979 766934973 836569803 986059251 1391844951 1789514937 1951996207 2300804919 2509709409 2958177753 4175534853 5368544811 5855988621 6902414757 7529128227 12526604559 13663973449 16105634433 17567965863 20707244271 22587384681 37579813677 40991920347 48316903299 52703897589 67762154043 95647814143 112739441031 122975761041 144950709897 158111692767 203286462129 286943442429 338218323093 368927283123 474335078301 609859386387 860830327287 1014654969279 1106781849369 1423005234903 1829578159161 2582490981861 3320345548107 4269015704709 5488734477483 7747472945583 9961036644321 12807047114127 16466203432449 23242418836749 29883109932963 38421141342381 49398610297347 69727256510247 89649329798889 115263424027143 209181769530741 268947989396667 345790272081429 627545308592223 806843968190001 1882635925776669 2420531904570003 5647907777330007 16943723331990021
• Sum of all divisors σ(n): 29640885416688000
• Sum of proper divisors (its aliquot sum) s(n): 12697162084697979
• 16943723331990021 is a deficient number, because the sum of its proper divisors (12697162084697979) is less than itself. Its deficiency is 4246561247292042

Bases of 16943723331990021

• Binary: 111100001100100011101000000010011000000011001000000101₂
• Hexadecimal: 0x3C323A02603205
• Base-36: 4MU1R1HW7B9

Squares and roots of 16943723331990021

• 16943723331990021 squared (16943723331990021²) is 287089760351023019393740043580441
• 16943723331990021 cubed (16943723331990021³) is 4864369470835052375052258812446084858654522779261
• The square root of 16943723331990021 is 130168058.0326449405
• The cube root of 16943723331990021 is 256844.1137138909

Scales and comparisons

• 16,943,723,331,990,021 seconds is equal to 538,757,991 years, 30 weeks, 1 day, 1 hour, 40 minutes, 21 seconds.
• To count from 1 to 16,943,723,331,990,021 would take you about one billion, six hundred sixteen million, two hundred seventy-three thousand, nine hundred seventy-four 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 16943723331990021 cubic inches would be around 21403.7 feet tall.

Recreational maths with 16943723331990021

• 16943723331990021 backwards is 12009913332734961
• 16943723331990021 is a Harshad number.
• The number of decimal digits it has is: 17
• The sum of 16943723331990021's digits is 63
• More coming soon!