1213830000

Names of 1213830000

• Cardinal: 1213830000 can be written as One billion, two hundred thirteen million, eight hundred thirty thousand.

Scientific notation

• Scientific notation: 1.21383 × 10⁹

Factors of 1213830000

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 13497

Divisors of 1213830000

• Number of divisors d(n): 150
• Complete list of divisors:
  1 2 3 4 5 6 8 9 10 12 15 16 18 20 24 25 30 36 40 45 48 50 60 72 75 80 90 100 120 125 144 150 180 200 225 240 250 300 360 375 400 450 500 600 625 720 750 900 1000 1125 1200 1250 1500 1800 1875 2000 2250 2500 3000 3600 3750 4500 5000 5625 6000 7500 9000 10000 11250 13487 15000 18000 22500 26974 30000 40461 45000 53948 67435 80922 90000 107896 121383 134870 161844 202305 215792 242766 269740 323688 337175 404610 485532 539480 606915 647376 674350 809220 971064 1011525 1078960 1213830 1348700 1618440 1685875 1942128 2023050 2427660 2697400 3034575 3236880 3371750 4046100 4855320 5057625 5394800 6069150 6743500 8092200 8429375 9710640 10115250 12138300 13487000 15172875 16184400 16858750 20230500 24276600 25288125 26974000 30345750 33717500 40461000 48553200 50576250 60691500 67435000 75864375 80922000 101152500 121383000 134870000 151728750 202305000 242766000 303457500 404610000 606915000 1213830000
• Sum of all divisors σ(n): 4245253584
• Sum of proper divisors (its aliquot sum) s(n): 3031423584
• 1213830000 is an abundant number, because the sum of its proper divisors (3031423584) is greater than itself. Its abundance is 1817593584

Bases of 1213830000

• Binary: 1001000010110011001001101110000₂
• Hexadecimal: 0x48599370
• Base-36: K2OL80

Squares and roots of 1213830000

• 1213830000 squared (1213830000²) is 1473383268900000000
• 1213830000 cubed (1213830000³) is 1788436813288887000000000000
• The square root of 1213830000 is 34840.0631457521
• The cube root of 1213830000 is 1066.7253656933

Scales and comparisons

• 1,213,830,000 seconds is equal to 38 years, 30 weeks, 6 days, 23 hours.
• To count from 1 to 1,213,830,000 would take you about seventy-seven 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 1213830000 cubic inches would be around 88.9 feet tall.

Recreational maths with 1213830000

• 1213830000 backwards is 0000383121
• 1213830000 is a Harshad number.
• The number of decimal digits it has is: 10
• The sum of 1213830000's digits is 18
• More coming soon!