18844515742

Names of 18844515742

• Cardinal: 18844515742 can be written as Eighteen billion, eight hundred forty-four million, five hundred fifteen thousand, seven hundred forty-two.

Scientific notation

• Scientific notation: 1.8844515742 × 10¹⁰

Factors of 18844515742

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 6
• Sum of prime factors: 3197

Divisors of 18844515742

• Number of divisors d(n): 64
• Complete list of divisors:
  1 2 13 17 19 26 34 38 221 247 323 442 494 646 1093 2053 2186 4106 4199 8398 14209 18581 20767 26689 28418 34901 37162 39007 41534 53378 69802 78014 241553 269971 353039 453713 483106 507091 539942 663119 706078 907426 1014182 1326238 2243929 4487858 4589507 8620547 9179014 17241094 29171077 38146793 42634651 58342154 76293586 85269302 495908309 554250463 724789067 991816618 1108500926 1449578134 9422257871 18844515742
• Sum of all divisors σ(n): 33975789120
• Sum of proper divisors (its aliquot sum) s(n): 15131273378
• 18844515742 is a deficient number, because the sum of its proper divisors (15131273378) is less than itself. Its deficiency is 3713242364

Bases of 18844515742

• Binary: 10001100011001110000111110110011110₂
• Hexadecimal: 0x463387D9E
• Base-36: 8NNJDEM

Squares and roots of 18844515742

• 18844515742 squared (18844515742²) is 355115773550485810564
• 18844515742 cubed (18844515742³) is 6691984784904637088920927898488
• The square root of 18844515742 is 137275.3282349017
• The cube root of 18844515742 is 2661.1028527479

Scales and comparisons

• 18,844,515,742 seconds is equal to 599 years, 10 weeks, 1 day, 19 hours, 42 minutes, 22 seconds.
• To count from 1 to 18,844,515,742 would take you about one thousand, one hundred ninety-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 18844515742 cubic inches would be around 221.8 feet tall.

Recreational maths with 18844515742

• 18844515742 backwards is 24751544881
• The number of decimal digits it has is: 11
• The sum of 18844515742's digits is 49
• More coming soon!