18243472395

Names of 18243472395

• Cardinal: 18243472395 can be written as Eighteen billion, two hundred forty-three million, four hundred seventy-two thousand, three hundred ninety-five.

Scientific notation

• Scientific notation: 1.8243472395 × 10¹⁰

Factors of 18243472395

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 1028

Divisors of 18243472395

• Number of divisors d(n): 96
• Complete list of divisors:
  1 3 5 15 17 29 51 85 87 97 145 255 291 435 485 493 841 877 1455 1479 1649 2465 2523 2631 2813 4205 4385 4947 7395 8245 8439 12615 13155 14065 14297 14909 24735 25433 42195 42891 44727 47821 71485 74545 76299 81577 85069 127165 143463 214455 223635 239105 244731 255207 381495 407885 425345 432361 717315 737557 1223655 1276035 1297083 1386809 1446173 2161805 2212671 2467001 3687785 4160427 4338519 6485415 6934045 7230865 7401003 11063355 12335005 12538469 20802135 21692595 37005015 37615407 41939017 62692345 71543029 125817051 188077035 209695085 214629087 357715145 629085255 1073145435 1216231493 3648694479 6081157465 18243472395
• Sum of all divisors σ(n): 32375947968
• Sum of proper divisors (its aliquot sum) s(n): 14132475573
• 18243472395 is a deficient number, because the sum of its proper divisors (14132475573) is less than itself. Its deficiency is 4110996822

Bases of 18243472395

• Binary: 10000111111011001010100110000001011₂
• Hexadecimal: 0x43F654C0B
• Base-36: 8DPOXE3

Squares and roots of 18243472395

• 18243472395 squared (18243472395²) is 332824285027127036025
• 18243472395 cubed (18243472395³) is 6071870656278003907880258029875
• The square root of 18243472395 is 135068.3989503097
• The cube root of 18243472395 is 2632.5047770991

Scales and comparisons

• 18,243,472,395 seconds is equal to 580 years, 4 weeks, 3 days, 7 hours, 13 minutes, 15 seconds.
• To count from 1 to 18,243,472,395 would take you about one thousand, one hundred sixty 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 18243472395 cubic inches would be around 219.4 feet tall.

Recreational maths with 18243472395

• 18243472395 backwards is 59327434281
• The number of decimal digits it has is: 11
• The sum of 18243472395's digits is 48
• More coming soon!