1979140390

Names of 1979140390

• Cardinal: 1979140390 can be written as One billion, nine hundred seventy-nine million, one hundred forty thousand, three hundred ninety.

Scientific notation

• Scientific notation: 1.97914039 × 10⁹

Factors of 1979140390

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 6
• Sum of prime factors: 637

Divisors of 1979140390

• Number of divisors d(n): 64
• Complete list of divisors:
  1 2 5 10 47 79 94 151 158 235 302 353 395 470 706 755 790 1510 1765 3530 3713 7097 7426 11929 14194 16591 18565 23858 27887 33182 35485 37130 53303 55774 59645 70970 82955 106606 119290 139435 165910 266515 278870 533030 560663 1121326 1310689 2505241 2621378 2803315 4210937 5010482 5606630 6553445 8421874 12526205 13106890 21054685 25052410 42109370 197914039 395828078 989570195 1979140390
• Sum of all divisors σ(n): 3719208960
• Sum of proper divisors (its aliquot sum) s(n): 1740068570
• 1979140390 is a deficient number, because the sum of its proper divisors (1740068570) is less than itself. Its deficiency is 239071820

Bases of 1979140390

• Binary: 1110101111101110100100100100110₂
• Hexadecimal: 0x75F74926
• Base-36: WQBUHY

Squares and roots of 1979140390

• 1979140390 squared (1979140390²) is 3916996683329352100
• 1979140390 cubed (1979140390³) is 7752286343473160413641319000
• The square root of 1979140390 is 44487.5307249121
• The cube root of 1979140390 is 1255.5254890541

Scales and comparisons

• 1,979,140,390 seconds is equal to 62 years, 48 weeks, 2 days, 17 hours, 13 minutes, 10 seconds.
• To count from 1 to 1,979,140,390 would take you about one hundred twenty-five 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 1979140390 cubic inches would be around 104.6 feet tall.

Recreational maths with 1979140390

• 1979140390 backwards is 0930419791
• The number of decimal digits it has is: 10
• The sum of 1979140390's digits is 43
• More coming soon!