138487050

Names of 138487050

• Cardinal: 138487050 can be written as One hundred thirty-eight million, four hundred eighty-seven thousand and fifty.

Scientific notation

• Scientific notation: 1.3848705 × 10⁸

Factors of 138487050

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 630

Divisors of 138487050

• Number of divisors d(n): 144
• Complete list of divisors:
  1 2 3 5 6 9 10 13 15 18 25 26 27 30 39 45 50 54 65 75 78 90 117 130 135 150 169 195 225 234 270 325 338 351 390 450 507 585 607 650 675 702 845 975 1014 1170 1214 1350 1521 1690 1755 1821 1950 2535 2925 3035 3042 3510 3642 4225 4563 5070 5463 5850 6070 7605 7891 8450 8775 9105 9126 10926 12675 15175 15210 15782 16389 17550 18210 22815 23673 25350 27315 30350 32778 38025 39455 45525 45630 47346 54630 71019 76050 78910 81945 91050 102583 114075 118365 136575 142038 163890 197275 205166 213057 228150 236730 273150 307749 355095 394550 409725 426114 512915 591825 615498 710190 819450 923247 1025830 1065285 1183650 1538745 1775475 1846494 2130570 2564575 2769741 3077490 3550950 4616235 5129150 5326425 5539482 7693725 9232470 10652850 13848705 15387450 23081175 27697410 46162350 69243525 138487050
• Sum of all divisors σ(n): 413902080
• Sum of proper divisors (its aliquot sum) s(n): 275415030
• 138487050 is an abundant number, because the sum of its proper divisors (275415030) is greater than itself. Its abundance is 136927980

Bases of 138487050

• Binary: 1000010000010010010100001010₂
• Hexadecimal: 0x841250A
• Base-36: 2AG9AI

Squares and roots of 138487050

• 138487050 squared (138487050²) is 19178663017702500
• 138487050 cubed (138487050³) is 2655996464265717002625000
• The square root of 138487050 is 11768.0520902993
• The cube root of 138487050 is 517.3721591377

Scales and comparisons

• 138,487,050 seconds is equal to 4 years, 20 weeks, 6 days, 20 hours, 37 minutes, 30 seconds.
• To count from 1 to 138,487,050 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 138487050 cubic inches would be around 43.1 feet tall.

Recreational maths with 138487050

• 138487050 backwards is 050784831
• The number of decimal digits it has is: 9
• The sum of 138487050's digits is 36
• More coming soon!