138285405000

Names of 138285405000

• Cardinal: 138285405000 can be written as One hundred thirty-eight billion, two hundred eighty-five million, four hundred five thousand.

Scientific notation

• Scientific notation: 1.38285405 × 10¹¹

Factors of 138285405000

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 1763

Divisors of 138285405000

• Number of divisors d(n): 180
• Complete list of divisors:
  1 2 3 4 5 6 8 9 10 12 15 18 20 24 25 30 36 40 45 50 60 72 75 90 100 120 125 150 180 200 225 250 300 360 375 450 500 600 625 750 900 1000 1125 1250 1500 1753 1800 1875 2250 2500 3000 3506 3750 4500 5000 5259 5625 7012 7500 8765 9000 10518 11250 14024 15000 15777 17530 21036 22500 26295 31554 35060 42072 43825 45000 52590 63108 70120 78885 87650 105180 126216 131475 157770 175300 210360 219125 262950 315540 350600 394425 438250 525900 631080 657375 788850 876500 1051800 1095625 1314750 1577700 1753000 1972125 2191250 2629500 3073009 3155400 3286875 3944250 4382500 5259000 6146018 6573750 7888500 8765000 9219027 9860625 12292036 13147500 15365045 15777000 18438054 19721250 24584072 26295000 27657081 30730090 36876108 39442500 46095135 55314162 61460180 73752216 76825225 78885000 92190270 110628324 122920360 138285405 153650450 184380540 221256648 230475675 276570810 307300900 368761080 384126125 460951350 553141620 614601800 691427025 768252250 921902700 1106283240 1152378375 1382854050 1536504500 1843805400 1920630625 2304756750 2765708100 3073009000 3457135125 3841261250 4609513500 5531416200 5761891875 6914270250 7682522500 9219027000 11523783750 13828540500 15365045000 17285675625 23047567500 27657081000 34571351250 46095135000 69142702500 138285405000
• Sum of all divisors σ(n): 468271031085
• Sum of proper divisors (its aliquot sum) s(n): 329985626085
• 138285405000 is an abundant number, because the sum of its proper divisors (329985626085) is greater than itself. Its abundance is 191700221085

Bases of 138285405000

• Binary: 10000000110010011100111101001101001000₂
• Hexadecimal: 0x203273D348
• Base-36: 1RIZK5E0

Squares and roots of 138285405000

• 138285405000 squared (138285405000²) is 19122853236014025000000
• 138285405000 cubed (138285405000³) is 2644411504497760032805125000000000
• The square root of 138285405000 is 371867.4562260053
• The cube root of 138285405000 is 5171.2092942661

Scales and comparisons

• 138,285,405,000 seconds is equal to 4,397 years, 2 weeks, 3 days, 12 hours, 30 minutes.
• To count from 1 to 138,285,405,000 would take you about eight thousand, seven hundred ninety-four 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 138285405000 cubic inches would be around 430.9 feet tall.

Recreational maths with 138285405000

• 138285405000 backwards is 000504582831
• 138285405000 is a Harshad number.
• The number of decimal digits it has is: 12
• The sum of 138285405000's digits is 36
• More coming soon!