19438078912

Names of 19438078912

• Cardinal: 19438078912 can be written as Nineteen billion, four hundred thirty-eight million, seventy-eight thousand, nine hundred twelve.

Scientific notation

• Scientific notation: 1.9438078912 × 10¹⁰

Factors of 19438078912

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 950

Divisors of 19438078912

• Number of divisors d(n): 84
• Complete list of divisors:
  1 2 4 7 8 14 16 28 32 49 56 64 98 112 196 224 343 392 448 686 784 941 1372 1568 1882 2744 3136 3764 5488 6587 7528 10976 13174 15056 21952 26348 30112 46109 52696 60224 92218 105392 184436 210784 322763 368872 421568 645526 737744 885481 1291052 1475488 1770962 2582104 2950976 3541924 5164208 6198367 7083848 10328416 12396734 14167696 20656832 24793468 28335392 43388569 49586936 56670784 86777138 99173872 173554276 198347744 303719983 347108552 396695488 607439966 694217104 1214879932 1388434208 2429759864 2776868416 4859519728 9719039456 19438078912
• Sum of all divisors σ(n): 45030288400
• Sum of proper divisors (its aliquot sum) s(n): 25592209488
• 19438078912 is an abundant number, because the sum of its proper divisors (25592209488) is greater than itself. Its abundance is 6154130576

Bases of 19438078912

• Binary: 10010000110100110011000101111000000₂
• Hexadecimal: 0x486998BC0
• Base-36: 8XGXHOG

Squares and roots of 19438078912

• 19438078912 squared (19438078912²) is 377838911789139103744
• 19438078912 cubed (19438078912³) is 7344462583381493003120826646528
• The square root of 19438078912 is 139420.5110878597
• The cube root of 19438078912 is 2688.7542732789

Scales and comparisons

• 19,438,078,912 seconds is equal to 618 years, 3 weeks, 4 days, 18 hours, 21 minutes, 52 seconds.
• To count from 1 to 19,438,078,912 would take you about one thousand, two hundred thirty-six 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 19438078912 cubic inches would be around 224.1 feet tall.

Recreational maths with 19438078912

• 19438078912 backwards is 21987083491
• The number of decimal digits it has is: 11
• The sum of 19438078912's digits is 52
• More coming soon!