18214398515889

Names of 18214398515889

• Cardinal: 18214398515889 can be written as Eighteen trillion, two hundred fourteen billion, three hundred ninety-eight million, five hundred fifteen thousand, eight hundred eighty-nine.

Scientific notation

• Scientific notation: 1.8214398515889 × 10¹³

Factors of 18214398515889

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 1336

Divisors of 18214398515889

• Number of divisors d(n): 81
• Complete list of divisors:
  1 3 9 17 51 67 153 201 289 603 867 1139 1249 2601 3417 3747 4489 10251 11241 13467 19363 21233 40401 58089 63699 76313 83683 174267 191097 228939 251049 360961 686817 753147 1082883 1297321 1422611 1560001 3248649 3891963 4267833 4680003 5606761 11675889 12803499 14040009 16820283 24184387 26520017 50460849 72553161 79560051 95314937 104520067 217659483 238680153 285944811 313560201 450840289 857834433 940680603 1352520867 1620353929 1776841139 4057562601 4861061787 5330523417 7002844489 14583185361 15991570251 21008533467 30206299363 63025600401 90618898089 119048356313 271856694267 357145068939 1071435206817 2023822057321 6071466171963 18214398515889
• Sum of all divisors σ(n): 28394451640737
• Sum of proper divisors (its aliquot sum) s(n): 10180053124848
• 18214398515889 is a deficient number, because the sum of its proper divisors (10180053124848) is less than itself. Its deficiency is 8034345391041

Bases of 18214398515889

• Binary: 100001001000011011110110000001101101010110001₂
• Hexadecimal: 0x1090DEC0DAB1
• Base-36: 6GFKULEI9

Squares and roots of 18214398515889

• 18214398515889 squared (18214398515889²) is 331764313295619405785460321
• 18214398515889 cubed (18214398515889³) is 6042887415716663335263676531157097540369
• 18214398515889 is a perfect square number. Its square root is 4267833
• The cube root of 18214398515889 is 26311.0559500509

Scales and comparisons

• 18,214,398,515,889 seconds is equal to 579,161 years, 27 weeks, 4 days, 15 hours, 18 minutes, 9 seconds.
• To count from 1 to 18,214,398,515,889 would take you about one million, four hundred forty-seven thousand, nine hundred 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 18214398515889 cubic inches would be around 2192.6 feet tall.

Recreational maths with 18214398515889

• 18214398515889 backwards is 98851589341281
• The number of decimal digits it has is: 14
• The sum of 18214398515889's digits is 72
• More coming soon!