1818918130

Names of 1818918130

• Cardinal: 1818918130 can be written as One billion, eight hundred eighteen million, nine hundred eighteen thousand, one hundred thirty.

Scientific notation

• Scientific notation: 1.81891813 × 10⁹

Factors of 1818918130

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 6
• Sum of prime factors: 691

Divisors of 1818918130

• Number of divisors d(n): 64
• Complete list of divisors:
  1 2 5 10 53 61 106 122 127 254 265 305 443 530 610 635 886 1270 2215 3233 4430 6466 6731 7747 13462 15494 16165 23479 27023 32330 33655 38735 46958 54046 56261 67310 77470 112522 117395 135115 234790 270230 281305 410591 562610 821182 1432219 2052955 2864438 2981833 3431921 4105910 5963666 6863842 7161095 14322190 14909165 17159605 29818330 34319210 181891813 363783626 909459065 1818918130
• Sum of all divisors σ(n): 3424923648
• Sum of proper divisors (its aliquot sum) s(n): 1606005518
• 1818918130 is a deficient number, because the sum of its proper divisors (1606005518) is less than itself. Its deficiency is 212912612

Bases of 1818918130

• Binary: 1101100011010100111110011110010₂
• Hexadecimal: 0x6C6A7CF2
• Base-36: U2XQ7M

Squares and roots of 1818918130

• 1818918130 squared (1818918130²) is 3308463163642696900
• 1818918130 cubed (1818918130³) is 6017823630786858233504797000
• The square root of 1818918130 is 42648.7764185563
• The cube root of 1818918130 is 1220.6871811695

Scales and comparisons

• 1,818,918,130 seconds is equal to 57 years, 43 weeks, 3 days, 7 hours, 2 minutes, 10 seconds.
• To count from 1 to 1,818,918,130 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 1818918130 cubic inches would be around 101.7 feet tall.

Recreational maths with 1818918130

• 1818918130 backwards is 0318198181
• The number of decimal digits it has is: 10
• The sum of 1818918130's digits is 40
• More coming soon!