1388443974948900

Names of 1388443974948900

• Cardinal: 1388443974948900 can be written as One quadrillion, three hundred eighty-eight trillion, four hundred forty-three billion, nine hundred seventy-four million, nine hundred forty-eight thousand, nine hundred.

Scientific notation

• Scientific notation: 1.3884439749489 × 10¹⁵

Factors of 1388443974948900

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 1242071

Divisors of 1388443974948900

• Number of divisors d(n): 81
• Complete list of divisors:
  1 2 3 4 5 6 9 10 12 15 18 20 25 30 36 45 50 60 75 90 100 150 180 225 300 450 900 1242061 2484122 3726183 4968244 6210305 7452366 11178549 12420610 14904732 18630915 22357098 24841220 31051525 37261830 44714196 55892745 62103050 74523660 93154575 111785490 124206100 186309150 223570980 279463725 372618300 558927450 1117854900 1542715527721 3085431055442 4628146583163 6170862110884 7713577638605 9256293166326 13884439749489 15427155277210 18512586332652 23140732915815 27768879498978 30854310554420 38567888193025 46281465831630 55537758997956 69422198747445 77135776386050 92562931663260 115703664579075 138844397494890 154271552772100 231407329158150 277688794989780 347110993737225 462814658316300 694221987474450 1388443974948900
• Sum of all divisors σ(n): 4352004007557843
• Sum of proper divisors (its aliquot sum) s(n): 2963560032608943
• 1388443974948900 is an abundant number, because the sum of its proper divisors (2963560032608943) is greater than itself. Its abundance is 1575116057660043

Bases of 1388443974948900

• Binary: 100111011101100100001001101111010101101100000100100₂
• Hexadecimal: 0x4EEC84DEAD824
• Base-36: DO5UCU4G10

Squares and roots of 1388443974948900

• 1388443974948900 squared (1388443974948900²) is 1927776671571901650757611210000
• 1388443974948900 cubed (1388443974948900³) is 2676609904691051238369635295563245817169000000
• 1388443974948900 is a perfect square number. Its square root is 37261830
• The cube root of 1388443974948900 is 111560.2434726201

Scales and comparisons

• 1,388,443,974,948,900 seconds is equal to 44,148,223 years, 34 weeks, 3 days, 18 hours, 15 minutes.
• To count from 1 to 1,388,443,974,948,900 would take you about one hundred thirty-two million, four hundred forty-four thousand, six hundred seventy 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 1388443974948900 cubic inches would be around 9296.7 feet tall.

Recreational maths with 1388443974948900

• 1388443974948900 backwards is 0098494793448831
• The number of decimal digits it has is: 16
• The sum of 1388443974948900's digits is 81
• More coming soon!