1229357890

Names of 1229357890

• Cardinal: 1229357890 can be written as One billion, two hundred twenty-nine million, three hundred fifty-seven thousand, eight hundred ninety.

Scientific notation

• Scientific notation: 1.22935789 × 10⁹

Factors of 1229357890

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 6
• Sum of prime factors: 727

Divisors of 1229357890

• Number of divisors d(n): 64
• Complete list of divisors:
  1 2 5 10 17 34 85 89 170 178 193 386 421 445 842 890 965 1513 1930 2105 3026 3281 4210 6562 7157 7565 14314 15130 16405 17177 32810 34354 35785 37469 71570 74938 81253 85885 162506 171770 187345 292009 374690 406265 584018 636973 812530 1273946 1381301 1460045 2762602 2920090 3184865 6369730 6906505 7231517 13813010 14463034 36157585 72315170 122935789 245871578 614678945 1229357890
• Sum of all divisors σ(n): 2387270880
• Sum of proper divisors (its aliquot sum) s(n): 1157912990
• 1229357890 is a deficient number, because the sum of its proper divisors (1157912990) is less than itself. Its deficiency is 71444900

Bases of 1229357890

• Binary: 1001001010001101000001101000010₂
• Hexadecimal: 0x49468342
• Base-36: KBXEMA

Squares and roots of 1229357890

• 1229357890 squared (1229357890²) is 1511320821705252100
• 1229357890 cubed (1229357890³) is 1857954176484634923574069000
• The square root of 1229357890 is 35062.2003017495
• The cube root of 1229357890 is 1071.2547919383

Scales and comparisons

• 1,229,357,890 seconds is equal to 39 years, 4 weeks, 4 days, 16 hours, 18 minutes, 10 seconds.
• To count from 1 to 1,229,357,890 would take you about seventy-eight 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 1229357890 cubic inches would be around 89.3 feet tall.

Recreational maths with 1229357890

• 1229357890 backwards is 0987539221
• The number of decimal digits it has is: 10
• The sum of 1229357890's digits is 46
• More coming soon!