138805500

Names of 138805500

• Cardinal: 138805500 can be written as One hundred thirty-eight million, eight hundred five thousand, five hundred.

Scientific notation

• Scientific notation: 1.388055 × 10⁸

Factors of 138805500

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 149

Divisors of 138805500

• Number of divisors d(n): 192
• Complete list of divisors:
  1 2 3 4 5 6 10 12 15 20 25 30 37 41 50 60 61 74 75 82 100 111 122 123 125 148 150 164 183 185 205 222 244 246 250 300 305 366 370 375 410 444 492 500 555 610 615 732 740 750 820 915 925 1025 1110 1220 1230 1500 1517 1525 1830 1850 2050 2220 2257 2460 2501 2775 3034 3050 3075 3660 3700 4100 4514 4551 4575 4625 5002 5125 5550 6068 6100 6150 6771 7503 7585 7625 9028 9102 9150 9250 10004 10250 11100 11285 12300 12505 13542 13875 15006 15170 15250 15375 18204 18300 18500 20500 22570 22755 22875 25010 27084 27750 30012 30340 30500 30750 33855 37515 37925 45140 45510 45750 50020 55500 56425 61500 62525 67710 75030 75850 91020 91500 92537 112850 113775 125050 135420 150060 151700 169275 185074 187575 189625 225700 227550 250100 277611 282125 312625 338550 370148 375150 379250 455100 462685 555222 564250 568875 625250 677100 750300 758500 846375 925370 937875 1110444 1128500 1137750 1250500 1388055 1692750 1850740 1875750 2275500 2313425 2776110 3385500 3751500 4626850 5552220 6940275 9253700 11567125 13880550 23134250 27761100 34701375 46268500 69402750 138805500
• Sum of all divisors σ(n): 432222336
• Sum of proper divisors (its aliquot sum) s(n): 293416836
• 138805500 is an abundant number, because the sum of its proper divisors (293416836) is greater than itself. Its abundance is 154611336

Bases of 138805500

• Binary: 1000010001100000000011111100₂
• Hexadecimal: 0x84600FC
• Base-36: 2AN30C

Squares and roots of 138805500

• 138805500 squared (138805500²) is 19266966830250000
• 138805500 cubed (138805500³) is 2674360964356266375000000
• The square root of 138805500 is 11781.5745976503
• The cube root of 138805500 is 517.7684201097

Scales and comparisons

• 138,805,500 seconds is equal to 4 years, 21 weeks, 3 days, 13 hours, 5 minutes.
• To count from 1 to 138,805,500 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 138805500 cubic inches would be around 43.1 feet tall.

Recreational maths with 138805500

• 138805500 backwards is 005508831
• 138805500 is a Harshad number.
• The number of decimal digits it has is: 9
• The sum of 138805500's digits is 30
• More coming soon!