142985830

Names of 142985830

• Cardinal: 142985830 can be written as One hundred forty-two million, nine hundred eighty-five thousand, eight hundred thirty.

Scientific notation

• Scientific notation: 1.4298583 × 10⁸

Factors of 142985830

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 173

Divisors of 142985830

• Number of divisors d(n): 96
• Complete list of divisors:
  1 2 5 10 13 19 26 38 61 65 73 95 122 130 146 169 190 247 305 338 365 494 610 730 793 845 949 1159 1235 1387 1586 1690 1898 2318 2470 2774 3211 3965 4453 4745 5795 6422 6935 7930 8906 9490 10309 11590 12337 13870 15067 16055 18031 20618 22265 24674 30134 32110 36062 44530 51545 57889 61685 75335 84607 90155 103090 115778 123370 150670 169214 180310 195871 234403 289445 391742 423035 468806 578890 752557 846070 979355 1099891 1172015 1505114 1958710 2199782 2344030 3762785 5499455 7525570 10998910 14298583 28597166 71492915 142985830
• Sum of all divisors σ(n): 302257440
• Sum of proper divisors (its aliquot sum) s(n): 159271610
• 142985830 is an abundant number, because the sum of its proper divisors (159271610) is greater than itself. Its abundance is 16285780

Bases of 142985830

• Binary: 1000100001011100101001100110₂
• Hexadecimal: 0x885CA66
• Base-36: 2D4OKM

Squares and roots of 142985830

• 142985830 squared (142985830²) is 20444947580788900
• 142985830 cubed (142985830³) is 2923337799145592921287000
• The square root of 142985830 is 11957.6682509593
• The cube root of 142985830 is 522.9148799975

Scales and comparisons

• 142,985,830 seconds is equal to 4 years, 28 weeks, 2 days, 22 hours, 17 minutes, 10 seconds.
• To count from 1 to 142,985,830 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 142985830 cubic inches would be around 43.6 feet tall.

Recreational maths with 142985830

• 142985830 backwards is 038589241
• The number of decimal digits it has is: 9
• The sum of 142985830's digits is 40
• More coming soon!