18126957472

Names of 18126957472

• Cardinal: 18126957472 can be written as Eighteen billion, one hundred twenty-six million, nine hundred fifty-seven thousand, four hundred seventy-two.

Scientific notation

• Scientific notation: 1.8126957472 × 10¹⁰

Factors of 18126957472

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 1633

Divisors of 18126957472

• Number of divisors d(n): 72
• Complete list of divisors:
  1 2 4 8 13 16 17 26 32 34 52 68 104 136 208 221 272 416 442 544 884 1601 1768 3202 3536 6404 7072 12808 20813 25616 27217 41626 51232 54434 83252 108868 166504 217736 333008 353821 435472 666016 707642 870944 1415284 2563201 2830568 5126402 5661136 10252804 11322272 20505608 33321613 41011216 43574417 66643226 82022432 87148834 133286452 174297668 266572904 348595336 533145808 566467421 697190672 1066291616 1132934842 1394381344 2265869684 4531739368 9063478736 18126957472
• Sum of all divisors σ(n): 40718812428
• Sum of proper divisors (its aliquot sum) s(n): 22591854956
• 18126957472 is an abundant number, because the sum of its proper divisors (22591854956) is greater than itself. Its abundance is 4464897484

Bases of 18126957472

• Binary: 10000111000011100110110101110100000₂
• Hexadecimal: 0x438736BA0
• Base-36: 8BSBLWG

Squares and roots of 18126957472

• 18126957472 squared (18126957472²) is 328586587191696630784
• 18126957472 cubed (18126957472³) is 5956275091893504737747254018048
• The square root of 18126957472 is 134636.3898505897
• The cube root of 18126957472 is 2626.8884960715

Scales and comparisons

• 18,126,957,472 seconds is equal to 576 years, 19 weeks, 5 days, 17 hours, 57 minutes, 52 seconds.
• To count from 1 to 18,126,957,472 would take you about one thousand, one hundred fifty-two 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 18126957472 cubic inches would be around 218.9 feet tall.

Recreational maths with 18126957472

• 18126957472 backwards is 27475962181
• 18126957472 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 18126957472's digits is 52
• More coming soon!