138126080

Names of 138126080

• Cardinal: 138126080 can be written as One hundred thirty-eight million, one hundred twenty-six thousand and eighty.

Scientific notation

• Scientific notation: 1.3812608 × 10⁸

Factors of 138126080

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 97

Divisors of 138126080

• Number of divisors d(n): 108
• Complete list of divisors:
  1 2 4 5 8 10 16 20 31 32 40 59 62 64 80 118 124 128 155 160 236 248 256 295 310 320 472 496 590 620 640 944 992 1180 1240 1280 1829 1888 1984 2360 2480 3481 3658 3776 3968 4720 4960 6962 7316 7552 7936 9145 9440 9920 13924 14632 15104 17405 18290 18880 19840 27848 29264 34810 36580 37760 39680 55696 58528 69620 73160 75520 107911 111392 117056 139240 146320 215822 222784 234112 278480 292640 431644 445568 468224 539555 556960 585280 863288 891136 1079110 1113920 1170560 1726576 2158220 2227840 2341120 3453152 4316440 4455680 6906304 8632880 13812608 17265760 27625216 34531520 69063040 138126080
• Sum of all divisors σ(n): 347414592
• Sum of proper divisors (its aliquot sum) s(n): 209288512
• 138126080 is an abundant number, because the sum of its proper divisors (209288512) is greater than itself. Its abundance is 71162432

Bases of 138126080

• Binary: 1000001110111010001100000000₂
• Hexadecimal: 0x83BA300
• Base-36: 2A8IRK

Squares and roots of 138126080

• 138126080 squared (138126080²) is 19078813976166400
• 138126080 cubed (138126080³) is 2635281785577078259712000
• The square root of 138126080 is 11752.7052205013
• The cube root of 138126080 is 516.9222534727

Scales and comparisons

• 138,126,080 seconds is equal to 4 years, 20 weeks, 2 days, 16 hours, 21 minutes, 20 seconds.
• To count from 1 to 138,126,080 would take you about six 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 138126080 cubic inches would be around 43.1 feet tall.

Recreational maths with 138126080

• 138126080 backwards is 080621831
• The number of decimal digits it has is: 9
• The sum of 138126080's digits is 29
• More coming soon!