142139556

Names of 142139556

• Cardinal: 142139556 can be written as One hundred forty-two million, one hundred thirty-nine thousand, five hundred fifty-six.

Scientific notation

• Scientific notation: 1.42139556 × 10⁸

Factors of 142139556

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 3538

Divisors of 142139556

• Number of divisors d(n): 96
• Complete list of divisors:
  1 2 3 4 6 9 12 13 18 26 27 29 36 39 52 54 58 78 87 108 116 117 156 174 234 261 348 351 377 468 522 702 754 783 1044 1131 1404 1508 1566 2262 3132 3393 3491 4524 6786 6982 10179 10473 13572 13964 20358 20946 31419 40716 41892 45383 62838 90766 94257 101239 125676 136149 181532 188514 202478 272298 303717 377028 404956 408447 544596 607434 816894 911151 1214868 1225341 1316107 1633788 1822302 2450682 2632214 2733453 3644604 3948321 4901364 5264428 5466906 7896642 10933812 11844963 15793284 23689926 35534889 47379852 71069778 142139556
• Sum of all divisors σ(n): 410659200
• Sum of proper divisors (its aliquot sum) s(n): 268519644
• 142139556 is an abundant number, because the sum of its proper divisors (268519644) is greater than itself. Its abundance is 126380088

Bases of 142139556

• Binary: 1000011110001110000010100100₂
• Hexadecimal: 0x878E0A4
• Base-36: 2CMJL0

Squares and roots of 142139556

• 142139556 squared (142139556²) is 20203653379877136
• 142139556 cubed (142139556³) is 2871738320993635445591616
• The square root of 142139556 is 11922.2294894873
• The cube root of 142139556 is 521.8811990181

Scales and comparisons

• 142,139,556 seconds is equal to 4 years, 27 weeks, 3 hours, 12 minutes, 36 seconds.
• To count from 1 to 142,139,556 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 142139556 cubic inches would be around 43.5 feet tall.

Recreational maths with 142139556

• 142139556 backwards is 655931241
• 142139556 is a Harshad number.
• The number of decimal digits it has is: 9
• The sum of 142139556's digits is 36
• More coming soon!