1230490640

Names of 1230490640

• Cardinal: 1230490640 can be written as One billion, two hundred thirty million, four hundred ninety thousand, six hundred forty.

Scientific notation

• Scientific notation: 1.23049064 × 10⁹

Factors of 1230490640

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 477

Divisors of 1230490640

• Number of divisors d(n): 60
• Complete list of divisors:
  1 2 4 5 8 10 16 20 40 80 157 313 314 626 628 785 1252 1256 1565 1570 2504 2512 3130 3140 5008 6260 6280 12520 12560 25040 49141 97969 98282 195938 196564 245705 391876 393128 489845 491410 783752 786256 979690 982820 1567504 1959380 1965640 3918760 3931280 7837520 15381133 30762266 61524532 76905665 123049064 153811330 246098128 307622660 615245320 1230490640
• Sum of all divisors σ(n): 2888340804
• Sum of proper divisors (its aliquot sum) s(n): 1657850164
• 1230490640 is an abundant number, because the sum of its proper divisors (1657850164) is greater than itself. Its abundance is 427359524

Bases of 1230490640

• Binary: 1001001010101111100110000010000₂
• Hexadecimal: 0x4957CC10
• Base-36: KCLONK

Squares and roots of 1230490640

• 1230490640 squared (1230490640²) is 1514107215127609600
• 1230490640 cubed (1230490640³) is 1863094756170990018374144000
• The square root of 1230490640 is 35078.3500182093
• The cube root of 1230490640 is 1071.5837146941

Scales and comparisons

• 1,230,490,640 seconds is equal to 39 years, 6 weeks, 3 days, 18 hours, 57 minutes, 20 seconds.
• To count from 1 to 1,230,490,640 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 1230490640 cubic inches would be around 89.3 feet tall.

Recreational maths with 1230490640

• 1230490640 backwards is 0460940321
• The number of decimal digits it has is: 10
• The sum of 1230490640's digits is 29
• More coming soon!