138420116240

Names of 138420116240

• Cardinal: 138420116240 can be written as One hundred thirty-eight billion, four hundred twenty million, one hundred sixteen thousand, two hundred forty.

Scientific notation

• Scientific notation: 1.3842011624 × 10¹¹

Factors of 138420116240

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 7973554

Divisors of 138420116240

• Number of divisors d(n): 80
• Complete list of divisors:
  1 2 4 5 7 8 10 14 16 20 28 31 35 40 56 62 70 80 112 124 140 155 217 248 280 310 434 496 560 620 868 1085 1240 1736 2170 2480 3472 4340 8680 17360 7973509 15947018 31894036 39867545 55814563 63788072 79735090 111629126 127576144 159470180 223258252 247178779 279072815 318940360 446516504 494357558 558145630 637880720 893033008 988715116 1116291260 1235893895 1730251453 1977430232 2232582520 2471787790 3460502906 3954860464 4465165040 4943575580 6921005812 8651257265 9887151160 13842011624 17302514530 19774302320 27684023248 34605029060 69210058120 138420116240
• Sum of all divisors σ(n): 379666652160
• Sum of proper divisors (its aliquot sum) s(n): 241246535920
• 138420116240 is an abundant number, because the sum of its proper divisors (241246535920) is greater than itself. Its abundance is 102826419680

Bases of 138420116240

• Binary: 10000000111010011110110101101100010000₂
• Hexadecimal: 0x203A7B5B10
• Base-36: 1RL7RH8W

Squares and roots of 138420116240

• 138420116240 squared (138420116240²) is 19160128579895111737600
• 138420116240 cubed (138420116240³) is 2652147225202427493726380378624000
• The square root of 138420116240 is 372048.5401664681
• The cube root of 138420116240 is 5172.8879335355

Scales and comparisons

• 138,420,116,240 seconds is equal to 4,401 years, 17 weeks, 1 day, 16 hours, 17 minutes, 20 seconds.
• To count from 1 to 138,420,116,240 would take you about eight thousand, eight hundred two 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 138420116240 cubic inches would be around 431.1 feet tall.

Recreational maths with 138420116240

• 138420116240 backwards is 042611024831
• The number of decimal digits it has is: 12
• The sum of 138420116240's digits is 32
• More coming soon!