1819142793

Names of 1819142793

• Cardinal: 1819142793 can be written as One billion, eight hundred nineteen million, one hundred forty-two thousand, seven hundred ninety-three.

Scientific notation

• Scientific notation: 1.819142793 × 10⁹

Factors of 1819142793

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 427

Divisors of 1819142793

• Number of divisors d(n): 80
• Complete list of divisors:
  1 3 9 13 27 39 61 81 117 127 183 223 351 381 549 669 793 1053 1143 1647 1651 2007 2379 2899 3429 4941 4953 6021 7137 7747 8697 10287 13603 14859 18063 21411 23241 26091 28321 40809 44577 64233 69723 78273 84963 100711 122427 133731 176839 209169 234819 254889 302133 367281 368173 530517 627507 764667 906399 1101843 1104519 1591551 1727581 2294001 2719197 3313557 4774653 5182743 8157591 9940671 14323959 15548229 22458553 29822013 46644687 67375659 139934061 202126977 606380931 1819142793
• Sum of all divisors σ(n): 3011362816
• Sum of proper divisors (its aliquot sum) s(n): 1192220023
• 1819142793 is a deficient number, because the sum of its proper divisors (1192220023) is less than itself. Its deficiency is 626922770

Bases of 1819142793

• Binary: 1101100011011011110101010001001₂
• Hexadecimal: 0x6C6DEA89
• Base-36: U32JK9

Squares and roots of 1819142793

• 1819142793 squared (1819142793²) is 3309280501323840849
• 1819142793 cubed (1819142793³) is 6020053773998692039537351257
• The square root of 1819142793 is 42651.4102111525
• The cube root of 1819142793 is 1220.7374366757

Scales and comparisons

• 1,819,142,793 seconds is equal to 57 years, 43 weeks, 5 days, 21 hours, 26 minutes, 33 seconds.
• To count from 1 to 1,819,142,793 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 1819142793 cubic inches would be around 101.7 feet tall.

Recreational maths with 1819142793

• 1819142793 backwards is 3972419181
• The number of decimal digits it has is: 10
• The sum of 1819142793's digits is 45
• More coming soon!