18424207638

Names of 18424207638

• Cardinal: 18424207638 can be written as Eighteen billion, four hundred twenty-four million, two hundred seven thousand, six hundred thirty-eight.

Scientific notation

• Scientific notation: 1.8424207638 × 10¹⁰

Factors of 18424207638

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 15011

Divisors of 18424207638

• Number of divisors d(n): 96
• Complete list of divisors:
  1 2 3 6 9 18 23 41 46 69 73 82 123 138 146 207 219 246 369 414 438 657 738 943 1314 1679 1886 2829 2993 3358 5037 5658 5986 8487 8979 10074 14869 15111 16974 17958 26937 29738 30222 44607 53874 68839 89214 133821 137678 206517 267642 341987 413034 609629 619551 683974 1025961 1085437 1219258 1239102 1828887 2051922 2170874 3077883 3256311 3657774 5486661 6155766 6512622 9768933 10973322 14021467 19537866 24965051 28042934 42064401 44502917 49930102 74895153 84128802 89005834 126193203 133508751 149790306 224685459 252386406 267017502 400526253 449370918 801052506 1023567091 2047134182 3070701273 6141402546 9212103819 18424207638
• Sum of all divisors σ(n): 43258138560
• Sum of proper divisors (its aliquot sum) s(n): 24833930922
• 18424207638 is an abundant number, because the sum of its proper divisors (24833930922) is greater than itself. Its abundance is 6409723284

Bases of 18424207638

• Binary: 10001001010001010110001100100010110₂
• Hexadecimal: 0x44A2B1916
• Base-36: 8GPAPLI

Squares and roots of 18424207638

• 18424207638 squared (18424207638²) is 339451427088137539044
• 18424207638 cubed (18424207638³) is 6254123575687263746048988018072
• The square root of 18424207638 is 135735.8008706619
• The cube root of 18424207638 is 2641.1694982023

Scales and comparisons

• 18,424,207,638 seconds is equal to 585 years, 43 weeks, 2 days, 3 hours, 27 minutes, 18 seconds.
• To count from 1 to 18,424,207,638 would take you about one thousand, one hundred seventy-one 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 18424207638 cubic inches would be around 220.1 feet tall.

Recreational maths with 18424207638

• 18424207638 backwards is 83670242481
• The number of decimal digits it has is: 11
• The sum of 18424207638's digits is 45
• More coming soon!