142280740

Names of 142280740

• Cardinal: 142280740 can be written as One hundred forty-two million, two hundred eighty thousand, seven hundred forty.

Scientific notation

• Scientific notation: 1.4228074 × 10⁸

Factors of 142280740

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 723

Divisors of 142280740

• Number of divisors d(n): 96
• Complete list of divisors:
  1 2 4 5 7 10 14 19 20 28 35 38 70 76 89 95 133 140 178 190 266 356 380 445 532 601 623 665 890 1202 1246 1330 1691 1780 2404 2492 2660 3005 3115 3382 4207 6010 6230 6764 8414 8455 11419 11837 12020 12460 16828 16910 21035 22838 23674 33820 42070 45676 47348 53489 57095 59185 79933 84140 106978 114190 118370 159866 213956 228380 236740 267445 319732 374423 399665 534890 748846 799330 1016291 1069780 1497692 1598660 1872115 2032582 3744230 4065164 5081455 7114037 7488460 10162910 14228074 20325820 28456148 35570185 71140370 142280740
• Sum of all divisors σ(n): 364089600
• Sum of proper divisors (its aliquot sum) s(n): 221808860
• 142280740 is an abundant number, because the sum of its proper divisors (221808860) is greater than itself. Its abundance is 79528120

Bases of 142280740

• Binary: 1000011110110000100000100100₂
• Hexadecimal: 0x87B0824
• Base-36: 2CPKIS

Squares and roots of 142280740

• 142280740 squared (142280740²) is 20243808974947600
• 142280740 cubed (142280740³) is 2880304121374185989224000
• The square root of 142280740 is 11928.1490601015
• The cube root of 142280740 is 522.0539327627

Scales and comparisons

• 142,280,740 seconds is equal to 4 years, 27 weeks, 1 day, 18 hours, 25 minutes, 40 seconds.
• To count from 1 to 142,280,740 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 142280740 cubic inches would be around 43.5 feet tall.

Recreational maths with 142280740

• 142280740 backwards is 047082241
• 142280740 is a Harshad number.
• The number of decimal digits it has is: 9
• The sum of 142280740's digits is 28
• More coming soon!