142531380

Names of 142531380

• Cardinal: 142531380 can be written as One hundred forty-two million, five hundred thirty-one thousand, three hundred eighty.

Scientific notation

• Scientific notation: 1.4253138 × 10⁸

Factors of 142531380

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 4398

Divisors of 142531380

• Number of divisors d(n): 96
• Complete list of divisors:
  1 2 3 4 5 6 9 10 12 15 18 20 27 30 36 45 54 60 61 90 108 122 135 180 183 244 270 305 366 540 549 610 732 915 1098 1220 1647 1830 2196 2745 3294 3660 4327 5490 6588 8235 8654 10980 12981 16470 17308 21635 25962 32940 38943 43270 51924 64905 77886 86540 116829 129810 155772 194715 233658 259620 263947 389430 467316 527894 584145 778860 791841 1055788 1168290 1319735 1583682 2336580 2375523 2639470 3167364 3959205 4751046 5278940 7126569 7918410 9502092 11877615 14253138 15836820 23755230 28506276 35632845 47510460 71265690 142531380
• Sum of all divisors σ(n): 450804480
• Sum of proper divisors (its aliquot sum) s(n): 308273100
• 142531380 is an abundant number, because the sum of its proper divisors (308273100) is greater than itself. Its abundance is 165741720

Bases of 142531380

• Binary: 1000011111101101101100110100₂
• Hexadecimal: 0x87EDB34
• Base-36: 2CUXX0

Squares and roots of 142531380

• 142531380 squared (142531380²) is 20315194284704400
• 142531380 cubed (142531380³) is 2895552676367031024072000
• The square root of 142531380 is 11938.6506775263
• The cube root of 142531380 is 522.3603008621

Scales and comparisons

• 142,531,380 seconds is equal to 4 years, 27 weeks, 4 days, 16 hours, 3 minutes.
• To count from 1 to 142,531,380 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 142531380 cubic inches would be around 43.5 feet tall.

Recreational maths with 142531380

• 142531380 backwards is 083135241
• 142531380 is a Harshad number.
• The number of decimal digits it has is: 9
• The sum of 142531380's digits is 27
• More coming soon!