142718290

Names of 142718290

• Cardinal: 142718290 can be written as One hundred forty-two million, seven hundred eighteen thousand, two hundred ninety.

Scientific notation

• Scientific notation: 1.4271829 × 10⁸

Factors of 142718290

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 285

Divisors of 142718290

• Number of divisors d(n): 96
• Complete list of divisors:
  1 2 5 10 11 13 22 26 43 55 65 86 110 121 130 143 211 215 242 286 422 430 473 559 605 715 946 1055 1118 1210 1430 1573 2110 2321 2365 2743 2795 3146 4642 4730 5203 5486 5590 6149 7865 9073 10406 11605 12298 13715 15730 18146 23210 25531 26015 27430 30173 30745 45365 51062 52030 60346 61490 67639 90730 99803 117949 127655 135278 150865 199606 235898 255310 301730 331903 338195 499015 589745 663806 676390 998030 1097833 1179490 1297439 1659515 2195666 2594878 3319030 5489165 6487195 10978330 12974390 14271829 28543658 71359145 142718290
• Sum of all divisors σ(n): 312637248
• Sum of proper divisors (its aliquot sum) s(n): 169918958
• 142718290 is an abundant number, because the sum of its proper divisors (169918958) is greater than itself. Its abundance is 27200668

Bases of 142718290

• Binary: 1000100000011011010101010010₂
• Hexadecimal: 0x881B552
• Base-36: 2CYY4Y

Squares and roots of 142718290

• 142718290 squared (142718290²) is 20368510300524100
• 142718290 cubed (142718290³) is 2906958959938185655789000
• The square root of 142718290 is 11946.4760494465
• The cube root of 142718290 is 522.5885353205

Scales and comparisons

• 142,718,290 seconds is equal to 4 years, 27 weeks, 6 days, 19 hours, 58 minutes, 10 seconds.
• To count from 1 to 142,718,290 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 142718290 cubic inches would be around 43.5 feet tall.

Recreational maths with 142718290

• 142718290 backwards is 092817241
• The number of decimal digits it has is: 9
• The sum of 142718290's digits is 34
• More coming soon!