138610135040

Names of 138610135040

• Cardinal: 138610135040 can be written as One hundred thirty-eight billion, six hundred ten million, one hundred thirty-five thousand and forty.

Scientific notation

• Scientific notation: 1.3861013504 × 10¹¹

Factors of 138610135040

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 15
• Sum of prime factors: 520641

Divisors of 138610135040

• Number of divisors d(n): 104
• Complete list of divisors:
  1 2 4 5 8 10 13 16 20 26 32 40 52 64 65 80 104 128 130 160 208 256 260 320 416 512 520 640 832 1024 1040 1280 1664 2048 2080 2560 3328 4096 4160 5120 6656 8320 10240 13312 16640 20480 26624 33280 53248 66560 133120 266240 520621 1041242 2082484 2603105 4164968 5206210 6768073 8329936 10412420 13536146 16659872 20824840 27072292 33319744 33840365 41649680 54144584 66639488 67680730 83299360 108289168 133278976 135361460 166598720 216578336 266557952 270722920 333197440 433156672 533115904 541445840 666394880 866313344 1066231808 1082891680 1332789760 1732626688 2132463616 2165783360 2665579520 3465253376 4331566720 5331159040 6930506752 8663133440 10662318080 13861013504 17326266880 27722027008 34652533760 69305067520 138610135040
• Sum of all divisors σ(n): 358210843368
• Sum of proper divisors (its aliquot sum) s(n): 219600708328
• 138610135040 is an abundant number, because the sum of its proper divisors (219600708328) is greater than itself. Its abundance is 80990573288

Bases of 138610135040

• Binary: 10000001000101110011101101000000000000₂
• Hexadecimal: 0x2045CED000
• Base-36: 1ROCW8OW

Squares and roots of 138610135040

• 138610135040 squared (138610135040²) is 19212769535807035801600
• 138610135040 cubed (138610135040³) is 2663084579850611347841890648064000
• The square root of 138610135040 is 372303.8208775193
• The cube root of 138610135040 is 5175.2539107293

Scales and comparisons

• 138,610,135,040 seconds is equal to 4,407 years, 19 weeks, 2 days, 23 hours, 17 minutes, 20 seconds.
• To count from 1 to 138,610,135,040 would take you about eight thousand, eight hundred fourteen 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 138610135040 cubic inches would be around 431.3 feet tall.

Recreational maths with 138610135040

• 138610135040 backwards is 040531016831
• 138610135040 is a Harshad number.
• The number of decimal digits it has is: 12
• The sum of 138610135040's digits is 32
• More coming soon!