142805000

Names of 142805000

• Cardinal: 142805000 can be written as One hundred forty-two million, eight hundred five thousand.

Scientific notation

• Scientific notation: 1.42805 × 10⁸

Factors of 142805000

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 20

Divisors of 142805000

• Number of divisors d(n): 100
• Complete list of divisors:
  1 2 4 5 8 10 13 20 25 26 40 50 52 65 100 104 125 130 169 200 250 260 325 338 500 520 625 650 676 845 1000 1250 1300 1352 1625 1690 2197 2500 2600 3250 3380 4225 4394 5000 6500 6760 8125 8450 8788 10985 13000 16250 16900 17576 21125 21970 28561 32500 33800 42250 43940 54925 57122 65000 84500 87880 105625 109850 114244 142805 169000 211250 219700 228488 274625 285610 422500 439400 549250 571220 714025 845000 1098500 1142440 1373125 1428050 2197000 2746250 2856100 3570125 5492500 5712200 7140250 10985000 14280500 17850625 28561000 35701250 71402500 142805000
• Sum of all divisors σ(n): 362473815
• Sum of proper divisors (its aliquot sum) s(n): 219668815
• 142805000 is an abundant number, because the sum of its proper divisors (219668815) is greater than itself. Its abundance is 76863815

Bases of 142805000

• Binary: 1000100000110000100000001000₂
• Hexadecimal: 0x8830808
• Base-36: 2D0T1K

Squares and roots of 142805000

• 142805000 squared (142805000²) is 20393268025000000
• 142805000 cubed (142805000³) is 2912260640310125000000000
• The square root of 142805000 is 11950.1046020527
• The cube root of 142805000 is 522.6943486165

Scales and comparisons

• 142,805,000 seconds is equal to 4 years, 28 weeks, 20 hours, 3 minutes, 20 seconds.
• To count from 1 to 142,805,000 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 142805000 cubic inches would be around 43.6 feet tall.

Recreational maths with 142805000

• 142805000 backwards is 000508241
• 142805000 is a Harshad number.
• The number of decimal digits it has is: 9
• The sum of 142805000's digits is 20
• More coming soon!