142638272

Names of 142638272

• Cardinal: 142638272 can be written as One hundred forty-two million, six hundred thirty-eight thousand, two hundred seventy-two.

Scientific notation

• Scientific notation: 1.42638272 × 10⁸

Factors of 142638272

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 268

Divisors of 142638272

• Number of divisors d(n): 112
• Complete list of divisors:
  1 2 4 7 8 14 16 23 28 32 46 56 64 92 109 112 127 161 184 218 224 254 322 368 436 448 508 644 736 763 872 889 1016 1288 1472 1526 1744 1778 2032 2507 2576 2921 3052 3488 3556 4064 5014 5152 5842 6104 6976 7112 8128 10028 10304 11684 12208 13843 14224 17549 20056 20447 23368 24416 27686 28448 35098 40112 40894 46736 48832 55372 56896 70196 80224 81788 93472 96901 110744 140392 160448 163576 186944 193802 221488 280784 318389 327152 387604 442976 561568 636778 654304 775208 885952 1123136 1273556 1308608 1550416 2228723 2547112 3100832 4457446 5094224 6201664 8914892 10188448 17829784 20376896 35659568 71319136 142638272
• Sum of all divisors σ(n): 343326720
• Sum of proper divisors (its aliquot sum) s(n): 200688448
• 142638272 is an abundant number, because the sum of its proper divisors (200688448) is greater than itself. Its abundance is 58050176

Bases of 142638272

• Binary: 1000100000000111110011000000₂
• Hexadecimal: 0x8807CC0
• Base-36: 2CX8E8

Squares and roots of 142638272

• 142638272 squared (142638272²) is 20345676639145984
• 142638272 cubed (142638272³) is 2902072158478550713499648
• The square root of 142638272 is 11943.1265588203
• The cube root of 142638272 is 522.4908503239

Scales and comparisons

• 142,638,272 seconds is equal to 4 years, 27 weeks, 5 days, 21 hours, 44 minutes, 32 seconds.
• To count from 1 to 142,638,272 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 142638272 cubic inches would be around 43.5 feet tall.

Recreational maths with 142638272

• 142638272 backwards is 272836241
• The number of decimal digits it has is: 9
• The sum of 142638272's digits is 35
• More coming soon!