142218240

Names of 142218240

• Cardinal: 142218240 can be written as One hundred forty-two million, two hundred eighteen thousand, two hundred forty.

Scientific notation

• Scientific notation: 1.4221824 × 10⁸

Factors of 142218240

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 14
• Sum of prime factors: 254

Divisors of 142218240

• Number of divisors d(n): 176
• Complete list of divisors:
  1 2 3 4 5 6 8 10 12 15 16 20 24 30 32 40 47 48 60 64 80 94 96 120 128 141 160 188 192 197 235 240 256 282 320 376 384 394 470 480 512 564 591 640 705 752 768 788 940 960 985 1024 1128 1182 1280 1410 1504 1536 1576 1880 1920 1970 2256 2364 2560 2820 2955 3008 3072 3152 3760 3840 3940 4512 4728 5120 5640 5910 6016 6304 7520 7680 7880 9024 9259 9456 11280 11820 12032 12608 15040 15360 15760 18048 18518 18912 22560 23640 24064 25216 27777 30080 31520 36096 37036 37824 45120 46295 47280 48128 50432 55554 60160 63040 72192 74072 75648 90240 92590 94560 100864 111108 120320 126080 138885 144384 148144 151296 180480 185180 189120 201728 222216 240640 252160 277770 296288 302592 360960 370360 378240 444432 504320 555540 592576 605184 721920 740720 756480 888864 1008640 1111080 1185152 1481440 1512960 1777728 2222160 2370304 2962880 3025920 3555456 4444320 4740608 5925760 7110912 8888640 9481216 11851520 14221824 17777280 23703040 28443648 35554560 47406080 71109120 142218240
• Sum of all divisors σ(n): 466912512
• Sum of proper divisors (its aliquot sum) s(n): 324694272
• 142218240 is an abundant number, because the sum of its proper divisors (324694272) is greater than itself. Its abundance is 182476032

Bases of 142218240

• Binary: 1000011110100001010000000000₂
• Hexadecimal: 0x87A1400
• Base-36: 2CO8AO

Squares and roots of 142218240

• 142218240 squared (142218240²) is 20226027788697600
• 142218240 cubed (142218240³) is 2876510074299664564224000
• The square root of 142218240 is 11925.5289190879
• The cube root of 142218240 is 521.9774802751

Scales and comparisons

• 142,218,240 seconds is equal to 4 years, 27 weeks, 1 day, 1 hour, 4 minutes.
• To count from 1 to 142,218,240 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 142218240 cubic inches would be around 43.5 feet tall.

Recreational maths with 142218240

• 142218240 backwards is 042812241
• 142218240 is a Harshad number.
• The number of decimal digits it has is: 9
• The sum of 142218240's digits is 24
• More coming soon!