18143521648

Names of 18143521648

• Cardinal: 18143521648 can be written as Eighteen billion, one hundred forty-three million, five hundred twenty-one thousand, six hundred forty-eight.

Scientific notation

• Scientific notation: 1.8143521648 × 10¹⁰

Factors of 18143521648

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 2394

Divisors of 18143521648

• Number of divisors d(n): 120
• Complete list of divisors:
  1 2 4 7 8 14 16 19 28 38 49 56 76 98 112 133 152 196 266 304 392 532 757 784 931 1064 1514 1609 1862 2128 3028 3218 3724 5299 6056 6436 7448 10598 11263 12112 12872 14383 14896 21196 22526 25744 28766 30571 37093 42392 45052 57532 61142 74186 78841 84784 90104 100681 115064 122284 148372 157682 180208 201362 213997 230128 244568 296744 315364 402724 427994 489136 593488 630728 704767 805448 855988 1218013 1261456 1409534 1497979 1610896 1711976 2436026 2819068 2995958 3423952 4872052 5638136 5991916 8526091 9744104 11276272 11983832 17052182 19488208 23142247 23967664 34104364 46284494 59682637 68208728 92568988 119365274 136417456 161995729 185137976 238730548 323991458 370275952 477461096 647982916 954922192 1133970103 1295965832 2267940206 2591931664 4535880412 9071760824 18143521648
• Sum of all divisors σ(n): 43128229200
• Sum of proper divisors (its aliquot sum) s(n): 24984707552
• 18143521648 is an abundant number, because the sum of its proper divisors (24984707552) is greater than itself. Its abundance is 6841185904

Bases of 18143521648

• Binary: 10000111001011100000010101101110000₂
• Hexadecimal: 0x439702B70
• Base-36: 8C26MWG

Squares and roots of 18143521648

• 18143521648 squared (18143521648²) is 329187377791444635904
• 18143521648 cubed (18143521648³) is 5972618315207430180717702049792
• The square root of 18143521648 is 134697.8902878587
• The cube root of 18143521648 is 2627.6883912283

Scales and comparisons

• 18,143,521,648 seconds is equal to 576 years, 47 weeks, 1 day, 11 hours, 7 minutes, 28 seconds.
• To count from 1 to 18,143,521,648 would take you about one thousand, one hundred fifty-three 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 18143521648 cubic inches would be around 219 feet tall.

Recreational maths with 18143521648

• 18143521648 backwards is 84612534181
• The number of decimal digits it has is: 11
• The sum of 18143521648's digits is 43
• More coming soon!