138165143641491470

Names of 138165143641491470

• Cardinal: 138165143641491470 can be written as One hundred thirty-eight quadrillion, one hundred sixty-five trillion, one hundred forty-three billion, six hundred forty-one million, four hundred ninety-one thousand, four hundred seventy.

Scientific notation

• Scientific notation: 1.3816514364149147 × 10¹⁷

Factors of 138165143641491470

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 5
• Sum of prime factors: 281969680901017

Divisors of 138165143641491470

• Number of divisors d(n): 24
• Complete list of divisors:
  1 2 5 7 10 14 35 49 70 98 245 490 281969680901003 563939361802006 1409848404505015 1973787766307021 2819696809010030 3947575532614042 9868938831535105 13816514364149147 19737877663070210 27633028728298294 69082571820745735 138165143641491470
• Sum of all divisors σ(n): 289300892604430104
• Sum of proper divisors (its aliquot sum) s(n): 151135748962938634
• 138165143641491470 is an abundant number, because the sum of its proper divisors (151135748962938634) is greater than itself. Its abundance is 12970605321447164

Bases of 138165143641491470

• Binary: 111101010110111000111011101010011000101111000100000001110₂
• Hexadecimal: 0x1EADC775317880E
• Base-36: 11SFGEQTUKGE

Squares and roots of 138165143641491470

• 138165143641491470 squared (138165143641491470²) is 19089606917473970783171726082760900
• 138165143641491470 cubed (138165143641491470³) is 2637518281812400375247289732215371410576331399523000
• The square root of 138165143641491470 is 371705721.8304440763
• The cube root of 138165143641491470 is 516970.9793959233

Scales and comparisons

• 138,165,143,641,491,470 seconds is equal to 4,393,224,194 years, 49 weeks, 2 days, 16 hours, 57 minutes, 50 seconds.
• To count from 1 to 138,165,143,641,491,470 would take you about thirteen billion, one hundred seventy-nine million, six hundred seventy-two thousand, five hundred eighty-four 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 138165143641491470 cubic inches would be around 43080.9 feet tall.

Recreational maths with 138165143641491470

• 138165143641491470 backwards is 074194146341561831
• The number of decimal digits it has is: 18
• The sum of 138165143641491470's digits is 68
• More coming soon!