138772405356613631999

Names of 138772405356613631999

• Cardinal: 138772405356613631999 can be written as One hundred thirty-eight quintillion, seven hundred seventy-two quadrillion, four hundred five trillion, three hundred fifty-six billion, six hundred thirteen million, six hundred thirty-one thousand, nine hundred ninety-nine.

Scientific notation

• Scientific notation: 1.38772405356613631999 × 10²⁰

Factors of 138772405356613631999

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 4
• Sum of prime factors: 4695402346

Divisors of 138772405356613631999

• Number of divisors d(n): 16
• Complete list of divisors:
  1 11 10337 113707 259937 2859307 2686968769 4695132061 29556656459 51646452671 48533580114557 533869381260127 1220438542540157 13424823967941727 12615673214237602909 138772405356613631999
• Sum of all divisors σ(n): 151403306324911544736
• Sum of proper divisors (its aliquot sum) s(n): 12630900968297912737
• 138772405356613631999 is a deficient number, because the sum of its proper divisors (12630900968297912737) is less than itself. Its deficiency is 126141504388315719262

Bases of 138772405356613631999

• Binary: 1111000010111011010100111110110110010010011011110000111111111111111₂
• Hexadecimal: 0x785DA9F6C93787FFF
• Base-36: TABSO4TXBZZZZ

Squares and roots of 138772405356613631999

• 138772405356613631999 squared (138772405356613631999²) is 19257780488460287863745657717518196736001
• 138772405356613631999 cubed (138772405356613631999³) is 2672448520213295938073596792134210627327257358803343568895999
• The square root of 138772405356613631999 is 11780170005.4207041141
• The cube root of 138772405356613631999 is 5177272.6726581061

Scales and comparisons

• 138,772,405,356,613,631,999 seconds is equal to 293,274,701,009 years, 3 weeks, 3 days, 15 hours, 30 minutes, 7 seconds.
• To count from 1 to 138,772,405,356,613,631,999 would take you about two hundred ninety-three billion, two hundred seventy-four million, seven hundred one thousand and nine 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 138772405356613631999 cubic inches would be around 431439.4 feet tall.

Recreational maths with 138772405356613631999

• 138772405356613631999 backwards is 999136316653504277831
• The number of decimal digits it has is: 21
• The sum of 138772405356613631999's digits is 98
• More coming soon!