142800020

Names of 142800020

• Cardinal: 142800020 can be written as One hundred forty-two million, eight hundred thousand and twenty.

Scientific notation

• Scientific notation: 1.4280002 × 10⁸

Factors of 142800020

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 439

Divisors of 142800020

• Number of divisors d(n): 96
• Complete list of divisors:
  1 2 4 5 10 11 20 22 37 44 53 55 74 106 110 148 185 212 220 265 331 370 407 530 583 662 740 814 1060 1166 1324 1628 1655 1961 2035 2332 2915 3310 3641 3922 4070 5830 6620 7282 7844 8140 9805 11660 12247 14564 17543 18205 19610 21571 24494 35086 36410 39220 43142 48988 61235 70172 72820 86284 87715 107855 122470 134717 175430 192973 215710 244940 269434 350860 385946 431420 538868 649091 673585 771892 964865 1298182 1347170 1929730 2596364 2694340 3245455 3859460 6490910 7140001 12981820 14280002 28560004 35700005 71400010 142800020
• Sum of all divisors σ(n): 343357056
• Sum of proper divisors (its aliquot sum) s(n): 200557036
• 142800020 is an abundant number, because the sum of its proper divisors (200557036) is greater than itself. Its abundance is 57757016

Bases of 142800020

• Binary: 1000100000101111010010010100₂
• Hexadecimal: 0x882F494
• Base-36: 2D0P78

Squares and roots of 142800020

• 142800020 squared (142800020²) is 20391845712000400
• 142800020 cubed (142800020³) is 2911955975510571360008000
• The square root of 142800020 is 11949.8962338591
• The cube root of 142800020 is 522.6882726199

Scales and comparisons

• 142,800,020 seconds is equal to 4 years, 28 weeks, 18 hours, 40 minutes, 20 seconds.
• To count from 1 to 142,800,020 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 142800020 cubic inches would be around 43.6 feet tall.

Recreational maths with 142800020

• 142800020 backwards is 020008241
• The number of decimal digits it has is: 9
• The sum of 142800020's digits is 17
• More coming soon!