142709900

Names of 142709900

• Cardinal: 142709900 can be written as One hundred forty-two million, seven hundred nine thousand, nine hundred.

Scientific notation

• Scientific notation: 1.427099 × 10⁸

Factors of 142709900

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 812

Divisors of 142709900

• Number of divisors d(n): 72
• Complete list of divisors:
  1 2 4 5 10 17 20 25 34 50 68 85 100 127 170 254 340 425 508 635 661 850 1270 1322 1700 2159 2540 2644 3175 3305 4318 6350 6610 8636 10795 11237 12700 13220 16525 21590 22474 33050 43180 44948 53975 56185 66100 83947 107950 112370 167894 215900 224740 280925 335788 419735 561850 839470 1123700 1427099 1678940 2098675 2854198 4197350 5708396 7135495 8394700 14270990 28541980 35677475 71354950 142709900
• Sum of all divisors σ(n): 330978816
• Sum of proper divisors (its aliquot sum) s(n): 188268916
• 142709900 is an abundant number, because the sum of its proper divisors (188268916) is greater than itself. Its abundance is 45559016

Bases of 142709900

• Binary: 1000100000011001010010001100₂
• Hexadecimal: 0x881948C
• Base-36: 2CYRNW

Squares and roots of 142709900

• 142709900 squared (142709900²) is 20366115558010000
• 142709900 cubed (142709900³) is 2906446314672051299000000
• The square root of 142709900 is 11946.1248947095
• The cube root of 142709900 is 522.5782946247

Scales and comparisons

• 142,709,900 seconds is equal to 4 years, 27 weeks, 6 days, 17 hours, 38 minutes, 20 seconds.
• To count from 1 to 142,709,900 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 142709900 cubic inches would be around 43.5 feet tall.

Recreational maths with 142709900

• 142709900 backwards is 009907241
• The number of decimal digits it has is: 9
• The sum of 142709900's digits is 32
• More coming soon!