18131203701

Names of 18131203701

• Cardinal: 18131203701 can be written as Eighteen billion, one hundred thirty-one million, two hundred three thousand, seven hundred one.

Scientific notation

• Scientific notation: 1.8131203701 × 10¹⁰

Factors of 18131203701

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 1258

Divisors of 18131203701

• Number of divisors d(n): 108
• Complete list of divisors:
  1 3 9 13 19 27 39 57 81 117 169 171 243 247 351 361 507 513 741 1053 1083 1223 1521 1539 2223 3159 3211 3249 3669 4563 4617 4693 6669 9633 9747 11007 13689 14079 15899 20007 23237 28899 29241 33021 41067 42237 47697 60021 61009 69711 86697 87723 99063 126711 143091 183027 206687 209133 260091 297189 302081 380133 429273 441503 549081 620061 627399 780273 906243 1140399 1287819 1324509 1647243 1860183 1882197 2718729 3863457 3927053 3973527 4941729 5580549 5646591 5739539 8156187 11781159 11920581 14825187 16741647 17218617 24468561 35343477 35761743 50224941 51655851 73405683 74614007 106030431 107285229 154967553 223842021 318091293 464902659 671526063 954273879 1394707977 2014578189 6043734567 18131203701
• Sum of all divisors σ(n): 31064106528
• Sum of proper divisors (its aliquot sum) s(n): 12932902827
• 18131203701 is a deficient number, because the sum of its proper divisors (12932902827) is less than itself. Its deficiency is 5198300874

Bases of 18131203701

• Binary: 10000111000101101000011011001110101₂
• Hexadecimal: 0x438B43675
• Base-36: 8BUUMB9

Squares and roots of 18131203701

• 18131203701 squared (18131203701²) is 328740547647156097401
• 18131203701 cubed (18131203701³) is 5960461834168883475321727681101
• The square root of 18131203701 is 134652.1581743123
• The cube root of 18131203701 is 2627.0935957465

Scales and comparisons

• 18,131,203,701 seconds is equal to 576 years, 26 weeks, 5 days, 21 hours, 28 minutes, 21 seconds.
• To count from 1 to 18,131,203,701 would take you about one thousand, one hundred fifty-three 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 18131203701 cubic inches would be around 218.9 feet tall.

Recreational maths with 18131203701

• 18131203701 backwards is 10730213181
• 18131203701 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 18131203701's digits is 27
• More coming soon!