3968801388

Names of 3968801388

• Cardinal: 3968801388 can be written as Three billion, nine hundred sixty-eight million, eight hundred one thousand, three hundred eighty-eight.

Scientific notation

• Scientific notation: 3.968801388 × 10⁹

Factors of 3968801388

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 15
• Sum of prime factors: 1872

Divisors of 3968801388

• Number of divisors d(n): 78
• Complete list of divisors:
  1 2 3 4 6 9 12 18 27 36 54 81 108 162 243 324 486 729 972 1458 1867 2187 2916 3734 4374 5601 6561 7468 8748 11202 13122 16803 19683 22404 26244 33606 39366 50409 59049 67212 78732 100818 118098 151227 177147 201636 236196 302454 354294 453681 531441 604908 708588 907362 1062882 1361043 1814724 2125764 2722086 4083129 5444172 8166258 12249387 16332516 24498774 36748161 48997548 73496322 110244483 146992644 220488966 330733449 440977932 661466898 992200347 1322933796 1984400694 3968801388
• Sum of all divisors σ(n): 10423677236
• Sum of proper divisors (its aliquot sum) s(n): 6454875848
• 3968801388 is an abundant number, because the sum of its proper divisors (6454875848) is greater than itself. Its abundance is 2486074460

Bases of 3968801388

• Binary: 11101100100011110001101001101100₂
• Hexadecimal: 0xEC8F1A6C
• Base-36: 1TMX6R0

Squares and roots of 3968801388

• 3968801388 squared (3968801388²) is 15751384457390726544
• 3968801388 cubed (3968801388³) is 62514116497413942366155643072
• The square root of 3968801388 is 62998.4236945653
• The cube root of 3968801388 is 1583.2632162289

Scales and comparisons

• 3,968,801,388 seconds is equal to 126 years, 10 weeks, 1 day, 4 hours, 49 minutes, 48 seconds.
• To count from 1 to 3,968,801,388 would take you about two hundred fifty-two 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 3968801388 cubic inches would be around 131.9 feet tall.

Recreational maths with 3968801388

• 3968801388 backwards is 8831088693
• 3968801388 is a Harshad number.
• The number of decimal digits it has is: 10
• The sum of 3968801388's digits is 54
• More coming soon!