21199306149

Names of 21199306149

• Cardinal: 21199306149 can be written as Twenty-one billion, one hundred ninety-nine million, three hundred six thousand, one hundred forty-nine.

Scientific notation

• Scientific notation: 2.1199306149 × 10¹⁰

Factors of 21199306149

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 13
• Sum of prime factors: 141

Divisors of 21199306149

• Number of divisors d(n): 216
• Complete list of divisors:
  1 3 7 9 21 23 27 47 49 61 63 69 81 141 147 161 183 189 207 243 329 423 427 441 483 549 567 621 729 987 1081 1127 1269 1281 1323 1403 1449 1647 1701 1863 2187 2303 2867 2961 2989 3243 3381 3807 3843 3969 4209 4347 4941 5103 5589 6561 6909 7567 8601 8883 8967 9729 9821 10143 11421 11529 11907 12627 13041 14823 15309 16767 20069 20727 22701 25803 26649 26901 29187 29463 30429 34263 34587 35721 37881 39123 44469 45927 50301 52969 60207 62181 65941 68103 68747 77409 79947 80703 87561 88389 91287 102789 103761 107163 113643 117369 133407 140483 150903 158907 180621 186543 197823 204309 206241 232227 239841 242109 262683 265167 273861 308367 311283 321489 340929 352107 400221 421449 461587 476721 541863 559629 593469 612927 618723 696681 719523 726327 788049 795501 821583 933849 1022787 1056321 1264347 1384761 1430163 1625589 1678887 1780407 1838781 1856169 2090043 2158569 2178981 2364147 2386503 2464749 2801547 3068361 3231109 3793041 4154283 4290489 4876767 5036661 5341221 5516343 5568507 6270129 6536943 7092441 7159509 7394247 9205083 9693327 11379123 12462849 12871467 14630301 15109983 16023663 16549029 16705521 18810387 19610829 21478527 29079981 34137369 37388547 38614401 43890903 48070989 49647087 50116563 64435581 87239943 102412107 112165641 115843203 131672709 144212967 150349689 261719829 307236321 336496923 347529609 432638901 451049067 785159487 921708963 1009490769 2355478461 3028472307 7066435383 21199306149
• Sum of all divisors σ(n): 40064364288
• Sum of proper divisors (its aliquot sum) s(n): 18865058139
• 21199306149 is a deficient number, because the sum of its proper divisors (18865058139) is less than itself. Its deficiency is 2334248010

Bases of 21199306149

• Binary: 10011101111100100111011110110100101₂
• Hexadecimal: 0x4EF93BDA5
• Base-36: 9QLIPB9

Squares and roots of 21199306149

• 21199306149 squared (21199306149²) is 449410581199029210201
• 21199306149 cubed (21199306149³) is 9527192497438243728644672825949
• The square root of 21199306149 is 145599.8150719979
• The cube root of 21199306149 is 2767.6248129313

Scales and comparisons

• 21,199,306,149 seconds is equal to 674 years, 3 weeks, 5 days, 8 hours, 9 minutes, 9 seconds.
• To count from 1 to 21,199,306,149 would take you about one thousand, three hundred forty-eight 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 21199306149 cubic inches would be around 230.6 feet tall.

Recreational maths with 21199306149

• 21199306149 backwards is 94160399112
• The number of decimal digits it has is: 11
• The sum of 21199306149's digits is 45
• More coming soon!