11981320000

Names of 11981320000

• Cardinal: 11981320000 can be written as Eleven billion, nine hundred eighty-one million, three hundred twenty thousand.

Scientific notation

• Scientific notation: 1.198132 × 10¹⁰

Factors of 11981320000

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 23061

Divisors of 11981320000

• Number of divisors d(n): 140
• Complete list of divisors:
  1 2 4 5 8 10 13 16 20 25 26 32 40 50 52 64 65 80 100 104 125 130 160 200 208 250 260 320 325 400 416 500 520 625 650 800 832 1000 1040 1250 1300 1600 1625 2000 2080 2500 2600 3250 4000 4160 5000 5200 6500 8000 8125 10000 10400 13000 16250 20000 20800 23041 26000 32500 40000 46082 52000 65000 92164 104000 115205 130000 184328 230410 260000 299533 368656 460820 520000 576025 599066 737312 921640 1152050 1198132 1474624 1497665 1843280 2304100 2396264 2880125 2995330 3686560 4608200 4792528 5760250 5990660 7373120 7488325 9216400 9585056 11520500 11981320 14400625 14976650 18432800 19170112 23041000 23962640 28801250 29953300 36865600 37441625 46082000 47925280 57602500 59906600 74883250 92164000 95850560 115205000 119813200 149766500 184328000 187208125 230410000 239626400 299533000 374416250 460820000 479252800 599066000 748832500 921640000 1198132000 1497665000 2396264000 2995330000 5990660000 11981320000
• Sum of all divisors σ(n): 31996535956
• Sum of proper divisors (its aliquot sum) s(n): 20015215956
• 11981320000 is an abundant number, because the sum of its proper divisors (20015215956) is greater than itself. Its abundance is 8033895956

Bases of 11981320000

• Binary: 1011001010001001000110111101000000₂
• Hexadecimal: 0x2CA246F40
• Base-36: 5I5D9OG

Squares and roots of 11981320000

• 11981320000 squared (11981320000²) is 143552028942400000000
• 11981320000 cubed (11981320000³) is 1719942795408155968000000000000
• The square root of 11981320000 is 109459.2161492123
• The cube root of 11981320000 is 2288.2399091513

Scales and comparisons

• 11,981,320,000 seconds is equal to 380 years, 50 weeks, 2 days, 16 hours, 26 minutes, 40 seconds.
• To count from 1 to 11,981,320,000 would take you about seven hundred sixty-one 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 11981320000 cubic inches would be around 190.7 feet tall.

Recreational maths with 11981320000

• 11981320000 backwards is 00002318911
• 11981320000 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 11981320000's digits is 25
• More coming soon!