138403166629

Names of 138403166629

• Cardinal: 138403166629 can be written as One hundred thirty-eight billion, four hundred three million, one hundred sixty-six thousand, six hundred twenty-nine.

Scientific notation

• Scientific notation: 1.38403166629 × 10¹¹

Factors of 138403166629

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 539

Divisors of 138403166629

• Number of divisors d(n): 72
• Complete list of divisors:
  1 7 13 19 49 91 133 193 247 307 637 931 1351 1729 2149 2509 3667 3991 5833 9457 12103 15043 17563 25669 27937 37249 40831 47671 59251 75829 122941 179683 195559 260743 285817 333697 414757 484237 530803 707731 770263 1125769 1825201 2335879 2903299 3389659 3715621 4954117 5391841 7880383 9200503 11435443 14634997 23727613 34678819 37742887 55162681 64403521 80048101 102444979 148660759 217273417 450824647 560336707 717114853 1040625313 1520913919 2824554421 7284377191 10646397433 19771880947 138403166629
• Sum of all divisors σ(n): 184057806240
• Sum of proper divisors (its aliquot sum) s(n): 45654639611
• 138403166629 is a deficient number, because the sum of its proper divisors (45654639611) is less than itself. Its deficiency is 92748527018

Bases of 138403166629

• Binary: 10000000111001011110001011100110100101₂
• Hexadecimal: 0x203978B9A5
• Base-36: 1RKXO6UD

Squares and roots of 138403166629

• 138403166629 squared (138403166629²) is 19155436532934739223641
• 138403166629 cubed (138403166629³) is 2651173074319000759152247419076189
• The square root of 138403166629 is 372025.7607061641
• The cube root of 138403166629 is 5172.6767840301

Scales and comparisons

• 138,403,166,629 seconds is equal to 4,400 years, 41 weeks, 1 day, 12 hours, 3 minutes, 49 seconds.
• To count from 1 to 138,403,166,629 would take you about eight thousand, eight hundred one 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 138403166629 cubic inches would be around 431.1 feet tall.

Recreational maths with 138403166629

• 138403166629 backwards is 926661304831
• 138403166629 is a Harshad number.
• The number of decimal digits it has is: 12
• The sum of 138403166629's digits is 49
• More coming soon!