7640109243

Names of 7640109243

• Cardinal: 7640109243 can be written as Seven billion, six hundred forty million, one hundred nine thousand, two hundred forty-three.

Scientific notation

• Scientific notation: 7.640109243 × 10⁹

Factors of 7640109243

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 112

Divisors of 7640109243

• Number of divisors d(n): 96
• Complete list of divisors:
  1 3 9 13 27 37 39 59 111 117 169 177 333 351 481 507 531 767 999 1443 1521 1593 2183 2197 2301 3481 4329 4563 6253 6549 6591 6903 9971 10443 12987 18759 19647 19773 20709 28379 29913 31329 45253 56277 58941 59319 81289 85137 89739 93987 128797 129623 135759 168831 243867 255411 269217 368927 386391 388869 407277 588289 731601 766233 1106781 1159173 1166607 1221831 1674361 1764867 2194803 3320343 3477519 3499821 4796051 5023083 5294601 7647757 9961029 14388153 15069249 15883803 21766693 22943271 43164459 45207747 65300079 68829813 129493377 195900237 206489439 282967009 587700711 848901027 2546703081 7640109243
• Sum of all divisors σ(n): 12809921600
• Sum of proper divisors (its aliquot sum) s(n): 5169812357
• 7640109243 is a deficient number, because the sum of its proper divisors (5169812357) is less than itself. Its deficiency is 2470296886

Bases of 7640109243

• Binary: 111000111011000101101000010111011₂
• Hexadecimal: 0x1C762D0BB
• Base-36: 3ICQ20R

Squares and roots of 7640109243

• 7640109243 squared (7640109243²) is 58371269244974033049
• 7640109243 cubed (7640109243³) is 445962873684167741192652371907
• The square root of 7640109243 is 87407.7184406503
• The cube root of 7640109243 is 1969.5477882729

Scales and comparisons

• 7,640,109,243 seconds is equal to 242 years, 48 weeks, 3 days, 4 hours, 34 minutes, 3 seconds.
• To count from 1 to 7,640,109,243 would take you about four hundred eighty-five 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 7640109243 cubic inches would be around 164.1 feet tall.

Recreational maths with 7640109243

• 7640109243 backwards is 3429010467
• The number of decimal digits it has is: 10
• The sum of 7640109243's digits is 36
• More coming soon!