138268615210999999

Names of 138268615210999999

• Cardinal: 138268615210999999 can be written as One hundred thirty-eight quadrillion, two hundred sixty-eight trillion, six hundred fifteen billion, two hundred ten million, nine hundred ninety-nine thousand, nine hundred ninety-nine.

Scientific notation

• Scientific notation: 1.38268615210999999 × 10¹⁷

Factors of 138268615210999999

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 6
• Sum of prime factors: 114752

Divisors of 138268615210999999

• Number of divisors d(n): 64
• Complete list of divisors:
  1 11 29 319 883 1621 2767 9713 17831 25607 30437 47009 80243 109441 281677 517099 882673 1203851 1431343 2443261 3173789 4485307 15744773 26875871 34911679 41508947 49338377 70854569 96636403 130073903 177403861 302823247 456598417 779400259 1063000433 1430812933 1951442471 2802455687 3331055717 3960526081 5144711969 8781874163 30827012557 43565786891 56591831659 96600615793 114855256349 156647609263 267392927101 490876483387 1263407819839 1723123701893 2941322198111 4542780668627 5399641317257 7754394885929 14235418018223 49970587354897 85298343745219 156589598200453 433443934830721 4767883283137931 12569874110090909 138268615210999999
• Sum of all divisors σ(n): 156370823177287680
• Sum of proper divisors (its aliquot sum) s(n): 18102207966287681
• 138268615210999999 is a deficient number, because the sum of its proper divisors (18102207966287681) is less than itself. Its deficiency is 120166407244712318

Bases of 138268615210999999

• Binary: 111101011001110101001001010101101001111001010000010111111₂
• Hexadecimal: 0x1EB3A92AD3CA0BF
• Base-36: 11TG4SXERZY7

Squares and roots of 138268615210999999

• 138268615210999999 squared (138268615210999999²) is 19118209952367580297983769578000001
• 138268615210999999 cubed (138268615210999999³) is 2643448415427023579534852602536189691242845632999999
• The square root of 138268615210999999 is 371844880.5765651509
• The cube root of 138268615210999999 is 517099.9999999989

Scales and comparisons

• 138,268,615,210,999,999 seconds is equal to 4,396,514,270 years, 41 weeks, 4 days, 18 hours, 13 minutes, 19 seconds.
• To count from 1 to 138,268,615,210,999,999 would take you about thirteen billion, one hundred eighty-nine million, five hundred forty-two thousand, eight hundred twelve 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 138268615210999999 cubic inches would be around 43091.7 feet tall.

Recreational maths with 138268615210999999

• 138268615210999999 backwards is 999999012516862831
• The number of decimal digits it has is: 18
• The sum of 138268615210999999's digits is 97
• More coming soon!