238154486990

Names of 238154486990

• Cardinal: 238154486990 can be written as Two hundred thirty-eight billion, one hundred fifty-four million, four hundred eighty-six thousand, nine hundred ninety.

Scientific notation

• Scientific notation: 2.3815448699 × 10¹¹

Factors of 238154486990

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 6
• Sum of prime factors: 577121

Divisors of 238154486990

• Number of divisors d(n): 64
• Complete list of divisors:
  1 2 5 7 10 14 17 34 35 70 85 119 170 238 347 595 694 1190 1735 2429 3470 4858 5899 11798 12145 24290 29495 41293 58990 82586 206465 412930 576743 1153486 2883715 4037201 5767430 8074402 9804631 19609262 20186005 40372010 49023155 68632417 98046310 137264834 200129821 343162085 400259642 686324170 1000649105 1400908747 2001298210 2801817494 3402206957 6804413914 7004543735 14009087470 17011034785 23815448699 34022069570 47630897398 119077243495 238154486990
• Sum of all divisors σ(n): 520232315904
• Sum of proper divisors (its aliquot sum) s(n): 282077828914
• 238154486990 is an abundant number, because the sum of its proper divisors (282077828914) is greater than itself. Its abundance is 43923341924

Bases of 238154486990

• Binary: 11011101110011000111010001010011001110₂
• Hexadecimal: 0x37731D14CE
• Base-36: 31EN168E

Squares and roots of 238154486990

• 238154486990 squared (238154486990²) is 56717559673470079260100
• 238154486990 cubed (238154486990³) is 13507541327359978639303754276099000
• The square root of 238154486990 is 488010.7447485147
• The cube root of 238154486990 is 6198.4950127011

Scales and comparisons

• 238,154,486,990 seconds is equal to 7,572 years, 29 weeks, 6 days, 16 hours, 9 minutes, 50 seconds.
• To count from 1 to 238,154,486,990 would take you about fifteen thousand, one hundred forty-five 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 238154486990 cubic inches would be around 516.5 feet tall.

Recreational maths with 238154486990

• 238154486990 backwards is 099684451832
• The number of decimal digits it has is: 12
• The sum of 238154486990's digits is 59
• More coming soon!