1813236642

Names of 1813236642

• Cardinal: 1813236642 can be written as One billion, eight hundred thirteen million, two hundred thirty-six thousand, six hundred forty-two.

Scientific notation

• Scientific notation: 1.813236642 × 10⁹

Factors of 1813236642

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 236

Divisors of 1813236642

• Number of divisors d(n): 96
• Complete list of divisors:
  1 2 3 6 7 9 14 18 21 42 43 63 86 126 129 181 258 301 362 387 543 602 774 903 1086 1267 1629 1806 1849 2534 2709 3258 3698 3801 5418 5547 7602 7783 11094 11403 12943 15566 16641 22806 23349 25886 33282 38829 46698 54481 70047 77658 79507 108962 116487 140094 159014 163443 232974 238521 326886 334669 477042 490329 556549 669338 715563 980658 1004007 1113098 1431126 1669647 2008014 2342683 3012021 3339294 4685366 5008941 6024042 7028049 10017882 14056098 14390767 21084147 28781534 42168294 43172301 86344602 100735369 129516903 201470738 259033806 302206107 604412214 906618321 1813236642
• Sum of all divisors σ(n): 4622217600
• Sum of proper divisors (its aliquot sum) s(n): 2808980958
• 1813236642 is an abundant number, because the sum of its proper divisors (2808980958) is greater than itself. Its abundance is 995744316

Bases of 1813236642

• Binary: 1101100000100111100101110100010₂
• Hexadecimal: 0x6C13CBA2
• Base-36: TZJYCI

Squares and roots of 1813236642

• 1813236642 squared (1813236642²) is 3287827119891436164
• 1813236642 cubed (1813236642³) is 5961608606348479114568721288
• The square root of 1813236642 is 42582.1164574989
• The cube root of 1813236642 is 1219.4148950119

Scales and comparisons

• 1,813,236,642 seconds is equal to 57 years, 34 weeks, 12 hours, 50 minutes, 42 seconds.
• To count from 1 to 1,813,236,642 would take you about one hundred fifteen 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 1813236642 cubic inches would be around 101.6 feet tall.

Recreational maths with 1813236642

• 1813236642 backwards is 2466323181
• The number of decimal digits it has is: 10
• The sum of 1813236642's digits is 36
• More coming soon!