142979136

Names of 142979136

• Cardinal: 142979136 can be written as One hundred forty-two million, nine hundred seventy-nine thousand, one hundred thirty-six.

Scientific notation

• Scientific notation: 1.42979136 × 10⁸

Factors of 142979136

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 489

Divisors of 142979136

• Number of divisors d(n): 84
• Complete list of divisors:
  1 2 3 4 6 8 12 16 24 32 41 48 64 82 96 123 164 192 246 328 443 492 656 886 984 1312 1329 1681 1772 1968 2624 2658 3362 3544 3936 5043 5316 6724 7088 7872 10086 10632 13448 14176 18163 20172 21264 26896 28352 36326 40344 42528 53792 54489 72652 80688 85056 107584 108978 145304 161376 217956 290608 322752 435912 581216 744683 871824 1162432 1489366 1743648 2234049 2978732 3487296 4468098 5957464 8936196 11914928 17872392 23829856 35744784 47659712 71489568 142979136
• Sum of all divisors σ(n): 388626096
• Sum of proper divisors (its aliquot sum) s(n): 245646960
• 142979136 is an abundant number, because the sum of its proper divisors (245646960) is greater than itself. Its abundance is 102667824

Bases of 142979136

• Binary: 1000100001011011000001000000₂
• Hexadecimal: 0x885B040
• Base-36: 2D4JEO

Squares and roots of 142979136

• 142979136 squared (142979136²) is 20443033331306496
• 142979136 cubed (142979136³) is 2922927242929404549267456
• The square root of 142979136 is 11957.3883436141
• The cube root of 142979136 is 522.9067196393

Scales and comparisons

• 142,979,136 seconds is equal to 4 years, 28 weeks, 2 days, 20 hours, 25 minutes, 36 seconds.
• To count from 1 to 142,979,136 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 142979136 cubic inches would be around 43.6 feet tall.

Recreational maths with 142979136

• 142979136 backwards is 631979241
• The number of decimal digits it has is: 9
• The sum of 142979136's digits is 42
• More coming soon!