138704400

Names of 138704400

• Cardinal: 138704400 can be written as One hundred thirty-eight million, seven hundred four thousand, four hundred.

Scientific notation

• Scientific notation: 1.387044 × 10⁸

Factors of 138704400

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 1437

Divisors of 138704400

• Number of divisors d(n): 180
• Complete list of divisors:
  1 2 3 4 5 6 8 9 10 12 15 16 18 20 24 25 27 30 36 40 45 48 50 54 60 72 75 80 81 90 100 108 120 135 144 150 162 180 200 216 225 240 243 270 300 324 360 400 405 432 450 486 540 600 648 675 720 810 900 972 1080 1200 1215 1296 1350 1427 1620 1800 1944 2025 2160 2430 2700 2854 3240 3600 3888 4050 4281 4860 5400 5708 6075 6480 7135 8100 8562 9720 10800 11416 12150 12843 14270 16200 17124 19440 21405 22832 24300 25686 28540 32400 34248 35675 38529 42810 48600 51372 57080 64215 68496 71350 77058 85620 97200 102744 107025 114160 115587 128430 142700 154116 171240 192645 205488 214050 231174 256860 285400 308232 321075 342480 346761 385290 428100 462348 513720 570800 577935 616464 642150 693522 770580 856200 924696 963225 1027440 1155870 1284300 1387044 1541160 1712400 1733805 1849392 1926450 2311740 2568600 2774088 2889675 3082320 3467610 3852900 4623480 5137200 5548176 5779350 6935220 7705800 8669025 9246960 11558700 13870440 15411600 17338050 23117400 27740880 34676100 46234800 69352200 138704400
• Sum of all divisors σ(n): 499520112
• Sum of proper divisors (its aliquot sum) s(n): 360815712
• 138704400 is an abundant number, because the sum of its proper divisors (360815712) is greater than itself. Its abundance is 222111312

Bases of 138704400

• Binary: 1000010001000111011000010000₂
• Hexadecimal: 0x8447610
• Base-36: 2AKX00

Squares and roots of 138704400

• 138704400 squared (138704400²) is 19238910579360000
• 138704400 cubed (138704400³) is 2668521548563781184000000
• The square root of 138704400 is 11777.2832181281
• The cube root of 138704400 is 517.6426827737

Scales and comparisons

• 138,704,400 seconds is equal to 4 years, 21 weeks, 2 days, 9 hours.
• To count from 1 to 138,704,400 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 138704400 cubic inches would be around 43.1 feet tall.

Recreational maths with 138704400

• 138704400 backwards is 004407831
• 138704400 is a Harshad number.
• The number of decimal digits it has is: 9
• The sum of 138704400's digits is 27
• More coming soon!