142205220

Names of 142205220

• Cardinal: 142205220 can be written as One hundred forty-two million, two hundred five thousand, two hundred twenty.

Scientific notation

• Scientific notation: 1.4220522 × 10⁸

Factors of 142205220

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 2192

Divisors of 142205220

• Number of divisors d(n): 120
• Complete list of divisors:
  1 2 3 4 5 6 9 10 12 15 18 20 27 30 36 41 45 54 60 81 82 90 108 123 135 162 164 180 205 246 270 324 369 405 410 492 540 615 738 810 820 1107 1230 1476 1620 1845 2141 2214 2460 3321 3690 4282 4428 5535 6423 6642 7380 8564 10705 11070 12846 13284 16605 19269 21410 22140 25692 32115 33210 38538 42820 57807 64230 66420 77076 87781 96345 115614 128460 173421 175562 192690 231228 263343 289035 346842 351124 385380 438905 526686 578070 693684 790029 867105 877810 1053372 1156140 1316715 1580058 1734210 1755620 2370087 2633430 3160116 3468420 3950145 4740174 5266860 7110261 7900290 9480348 11850435 14220522 15800580 23700870 28441044 35551305 47401740 71102610 142205220
• Sum of all divisors σ(n): 457197048
• Sum of proper divisors (its aliquot sum) s(n): 314991828
• 142205220 is an abundant number, because the sum of its proper divisors (314991828) is greater than itself. Its abundance is 172786608

Bases of 142205220

• Binary: 1000011110011110000100100100₂
• Hexadecimal: 0x879E124
• Base-36: 2CNY90

Squares and roots of 142205220

• 142205220 squared (142205220²) is 20222324595248400
• 142205220 cubed (142205220³) is 2875720117978709676648000
• The square root of 142205220 is 11924.9830188559
• The cube root of 142205220 is 521.9615508739

Scales and comparisons

• 142,205,220 seconds is equal to 4 years, 27 weeks, 21 hours, 27 minutes.
• To count from 1 to 142,205,220 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 142205220 cubic inches would be around 43.5 feet tall.

Recreational maths with 142205220

• 142205220 backwards is 022502241
• 142205220 is a Harshad number.
• The number of decimal digits it has is: 9
• The sum of 142205220's digits is 18
• More coming soon!