18358629345

Names of 18358629345

• Cardinal: 18358629345 can be written as Eighteen billion, three hundred fifty-eight million, six hundred twenty-nine thousand, three hundred forty-five.

Scientific notation

• Scientific notation: 1.8358629345 × 10¹⁰

Factors of 18358629345

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 17
• Sum of prime factors: 62

Divisors of 18358629345

• Number of divisors d(n): 168
• Complete list of divisors:
  1 3 5 7 9 15 21 27 35 45 47 49 63 81 105 135 141 147 189 235 243 245 315 329 405 423 441 567 705 729 735 945 987 1215 1269 1323 1645 1701 2115 2187 2205 2303 2835 2961 3645 3807 3969 4935 5103 6345 6561 6615 6909 8505 8883 10935 11421 11515 11907 14805 15309 19035 19683 19845 20727 25515 26649 32805 34263 34545 35721 44415 45927 57105 59049 59535 62181 76545 79947 98415 102789 103635 107163 133245 137781 171315 177147 178605 186543 229635 239841 295245 308367 310905 321489 399735 413343 513945 531441 535815 559629 688905 719523 885735 925101 932715 964467 1199205 1240029 1541835 1594323 1607445 1678887 2066715 2158569 2657205 2775303 2798145 2893401 3597615 3720087 4625505 4822335 5036661 6200145 6475707 7971615 8325909 8394435 8680203 10792845 11160261 13876515 14467005 15109983 18600435 19427121 24977727 25183305 26040609 32378535 41629545 43401015 45329949 55801305 58281363 74933181 75549915 78121827 97135605 124888635 130203045 135989847 174844089 226649745 291406815 374665905 390609135 407969541 524532267 679949235 874220445 1223908623 2039847705 2622661335 3671725869 6119543115 18358629345
• Sum of all divisors σ(n): 39258601344
• Sum of proper divisors (its aliquot sum) s(n): 20899971999
• 18358629345 is an abundant number, because the sum of its proper divisors (20899971999) is greater than itself. Its abundance is 2541342654

Bases of 18358629345

• Binary: 10001000110010000100111001111100001₂
• Hexadecimal: 0x4464273E1
• Base-36: 8FM9529

Squares and roots of 18358629345

• 18358629345 squared (18358629345²) is 337039271427095129025
• 18358629345 cubed (18358629345³) is 6187579058838888663824926238625
• The square root of 18358629345 is 135494.0195912721
• The cube root of 18358629345 is 2638.0321531149

Scales and comparisons

• 18,358,629,345 seconds is equal to 583 years, 38 weeks, 6 days, 3 hours, 15 minutes, 45 seconds.
• To count from 1 to 18,358,629,345 would take you about one thousand, one hundred sixty-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 18358629345 cubic inches would be around 219.8 feet tall.

Recreational maths with 18358629345

• 18358629345 backwards is 54392685381
• The number of decimal digits it has is: 11
• The sum of 18358629345's digits is 54
• More coming soon!