142720500

Names of 142720500

• Cardinal: 142720500 can be written as One hundred forty-two million, seven hundred twenty thousand, five hundred.

Scientific notation

• Scientific notation: 1.427205 × 10⁸

Factors of 142720500

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 586

Divisors of 142720500

• Number of divisors d(n): 144
• Complete list of divisors:
  1 2 3 4 5 6 10 12 13 15 20 25 26 30 39 50 52 60 65 75 78 100 125 130 150 156 169 195 250 260 300 325 338 375 390 500 507 563 650 676 750 780 845 975 1014 1126 1300 1500 1625 1689 1690 1950 2028 2252 2535 2815 3250 3378 3380 3900 4225 4875 5070 5630 6500 6756 7319 8445 8450 9750 10140 11260 12675 14075 14638 16890 16900 19500 21125 21957 25350 28150 29276 33780 36595 42225 42250 43914 50700 56300 63375 70375 73190 84450 84500 87828 95147 109785 126750 140750 146380 168900 182975 190294 211125 219570 253500 281500 285441 365950 380588 422250 439140 475735 548925 570882 731900 844500 914875 951470 1097850 1141764 1427205 1829750 1902940 2195700 2378675 2744625 2854410 3659500 4757350 5489250 5708820 7136025 9514700 10978500 11893375 14272050 23786750 28544100 35680125 47573500 71360250 142720500
• Sum of all divisors σ(n): 450830016
• Sum of proper divisors (its aliquot sum) s(n): 308109516
• 142720500 is an abundant number, because the sum of its proper divisors (308109516) is greater than itself. Its abundance is 165389016

Bases of 142720500

• Binary: 1000100000011011110111110100₂
• Hexadecimal: 0x881BDF4
• Base-36: 2CYZUC

Squares and roots of 142720500

• 142720500 squared (142720500²) is 20369141120250000
• 142720500 cubed (142720500³) is 2907094005252640125000000
• The square root of 142720500 is 11946.5685449837
• The cube root of 142720500 is 522.5912327433

Scales and comparisons

• 142,720,500 seconds is equal to 4 years, 27 weeks, 6 days, 20 hours, 35 minutes.
• To count from 1 to 142,720,500 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 142720500 cubic inches would be around 43.5 feet tall.

Recreational maths with 142720500

• 142720500 backwards is 005027241
• The number of decimal digits it has is: 9
• The sum of 142720500's digits is 21
• More coming soon!