142462740

Names of 142462740

• Cardinal: 142462740 can be written as One hundred forty-two million, four hundred sixty-two thousand, seven hundred forty.

Scientific notation

• Scientific notation: 1.4246274 × 10⁸

Factors of 142462740

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 1235

Divisors of 142462740

• Number of divisors d(n): 96
• Complete list of divisors:
  1 2 3 4 5 6 7 10 12 14 15 20 21 28 30 35 42 60 70 84 105 140 210 420 431 787 862 1293 1574 1724 2155 2361 2586 3017 3148 3935 4310 4722 5172 5509 6034 6465 7870 8620 9051 9444 11018 11805 12068 12930 15085 15740 16527 18102 22036 23610 25860 27545 30170 33054 36204 45255 47220 55090 60340 66108 82635 90510 110180 165270 181020 330540 339197 678394 1017591 1356788 1695985 2035182 2374379 3391970 4070364 4748758 5087955 6783940 7123137 9497516 10175910 11871895 14246274 20351820 23743790 28492548 35615685 47487580 71231370 142462740
• Sum of all divisors σ(n): 457519104
• Sum of proper divisors (its aliquot sum) s(n): 315056364
• 142462740 is an abundant number, because the sum of its proper divisors (315056364) is greater than itself. Its abundance is 172593624

Bases of 142462740

• Binary: 1000011111011100111100010100₂
• Hexadecimal: 0x87DCF14
• Base-36: 2CTGYC

Squares and roots of 142462740

• 142462740 squared (142462740²) is 20295632288307600
• 142462740 cubed (142462740³) is 2891371385824770658824000
• The square root of 142462740 is 11935.7756346205
• The cube root of 142462740 is 522.2764349599

Scales and comparisons

• 142,462,740 seconds is equal to 4 years, 27 weeks, 3 days, 20 hours, 59 minutes.
• To count from 1 to 142,462,740 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 142462740 cubic inches would be around 43.5 feet tall.

Recreational maths with 142462740

• 142462740 backwards is 047264241
• 142462740 is a Harshad number.
• The number of decimal digits it has is: 9
• The sum of 142462740's digits is 30
• More coming soon!