142983540

Names of 142983540

• Cardinal: 142983540 can be written as One hundred forty-two million, nine hundred eighty-three thousand, five hundred forty.

Scientific notation

• Scientific notation: 1.4298354 × 10⁸

Factors of 142983540

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 3121

Divisors of 142983540

• Number of divisors d(n): 144
• Complete list of divisors:
  1 2 3 4 5 6 7 9 10 12 14 15 18 20 21 28 30 35 36 37 42 45 60 63 70 74 84 90 105 111 126 140 148 180 185 210 222 252 259 315 333 370 420 444 518 555 630 666 740 777 1036 1110 1260 1295 1332 1554 1665 2220 2331 2590 3067 3108 3330 3885 4662 5180 6134 6660 7770 9201 9324 11655 12268 15335 15540 18402 21469 23310 27603 30670 36804 42938 46005 46620 55206 61340 64407 85876 92010 107345 110412 113479 128814 138015 184020 193221 214690 226958 257628 276030 322035 340437 386442 429380 453916 552060 567395 644070 680874 772884 794353 966105 1021311 1134790 1288140 1361748 1588706 1702185 1932210 2042622 2269580 2383059 3177412 3404370 3864420 3971765 4085244 4766118 5106555 6808740 7149177 7943530 9532236 10213110 11915295 14298354 15887060 20426220 23830590 28596708 35745885 47661180 71491770 142983540
• Sum of all divisors σ(n): 509238912
• Sum of proper divisors (its aliquot sum) s(n): 366255372
• 142983540 is an abundant number, because the sum of its proper divisors (366255372) is greater than itself. Its abundance is 223271832

Bases of 142983540

• Binary: 1000100001011100000101110100₂
• Hexadecimal: 0x885C174
• Base-36: 2D4MT0

Squares and roots of 142983540

• 142983540 squared (142983540²) is 20444292710931600
• 142983540 cubed (142983540³) is 2923197344605196865864000
• The square root of 142983540 is 11957.5724961215
• The cube root of 142983540 is 522.9120883889

Scales and comparisons

• 142,983,540 seconds is equal to 4 years, 28 weeks, 2 days, 21 hours, 39 minutes.
• To count from 1 to 142,983,540 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 142983540 cubic inches would be around 43.6 feet tall.

Recreational maths with 142983540

• 142983540 backwards is 045389241
• 142983540 is a Harshad number.
• The number of decimal digits it has is: 9
• The sum of 142983540's digits is 36
• More coming soon!