1814947840

Names of 1814947840

• Cardinal: 1814947840 can be written as One billion, eight hundred fourteen million, nine hundred forty-seven thousand, eight hundred forty.

Scientific notation

• Scientific notation: 1.81494784 × 10⁹

Factors of 1814947840

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 14
• Sum of prime factors: 428

Divisors of 1814947840

• Number of divisors d(n): 72
• Complete list of divisors:
  1 2 4 5 8 10 16 20 32 40 64 80 128 160 256 320 421 512 640 842 1024 1280 1684 2048 2105 2560 3368 4210 5120 6736 8420 10240 13472 16840 26944 33680 53888 67360 107776 134720 177241 215552 269440 354482 431104 538880 708964 862208 886205 1077760 1417928 1772410 2155520 2835856 3544820 4311040 5671712 7089640 11343424 14179280 22686848 28358560 45373696 56717120 90747392 113434240 181494784 226868480 362989568 453736960 907473920 1814947840
• Sum of all divisors σ(n): 4365179910
• Sum of proper divisors (its aliquot sum) s(n): 2550232070
• 1814947840 is an abundant number, because the sum of its proper divisors (2550232070) is greater than itself. Its abundance is 735284230

Bases of 1814947840

• Binary: 1101100001011011110100000000000₂
• Hexadecimal: 0x6C2DE800
• Base-36: U0KMPS

Squares and roots of 1814947840

• 1814947840 squared (1814947840²) is 3294035661920665600
• 1814947840 cubed (1814947840³) is 5978502909485882282082304000
• The square root of 1814947840 is 42602.2046377885
• The cube root of 1814947840 is 1219.7983721257

Scales and comparisons

• 1,814,947,840 seconds is equal to 57 years, 36 weeks, 6 days, 8 hours, 10 minutes, 40 seconds.
• To count from 1 to 1,814,947,840 would take you about one hundred fifteen 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 1814947840 cubic inches would be around 101.6 feet tall.

Recreational maths with 1814947840

• 1814947840 backwards is 0487494181
• The number of decimal digits it has is: 10
• The sum of 1814947840's digits is 46
• More coming soon!