13122972018

Names of 13122972018

• Cardinal: 13122972018 can be written as Thirteen billion, one hundred twenty-two million, nine hundred seventy-two thousand and eighteen.

Scientific notation

• Scientific notation: 1.3122972018 × 10¹⁰

Factors of 13122972018

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 116

Divisors of 13122972018

• Number of divisors d(n): 162
• Complete list of divisors:
  1 2 3 6 9 13 18 26 31 39 62 67 78 93 117 134 169 186 201 234 279 338 402 403 507 558 603 806 871 961 1014 1206 1209 1521 1742 1922 2077 2418 2613 2883 3042 3627 4154 4489 5226 5239 5766 6231 7254 7839 8649 8978 10478 11323 12462 12493 13467 15678 15717 17298 18693 22646 24986 26934 27001 31434 33969 37386 37479 40401 47151 54002 58357 64387 67938 74958 80802 81003 94302 101907 112437 116714 128774 139159 162006 162409 175071 193161 203814 224874 243009 278318 324818 350142 351013 386322 417477 486018 487227 525213 579483 702026 758641 834954 837031 974454 1050426 1053039 1158966 1252431 1461681 1517282 1674062 1809067 2106078 2275923 2504862 2511093 2923362 3159117 3618134 4313929 4551846 5022186 5427201 6318234 6827769 7533279 8627858 10854402 10881403 12941787 13655538 15066558 16281603 21762806 23517871 25883574 32563206 32644209 38825361 47035742 56081077 65288418 70553613 77650722 97932627 112162154 141107226 168243231 195865254 211660839 336486462 423321678 504729693 729054001 1009459386 1458108002 2187162003 4374324006 6561486009 13122972018
• Sum of all divisors σ(n): 32295645837
• Sum of proper divisors (its aliquot sum) s(n): 19172673819
• 13122972018 is an abundant number, because the sum of its proper divisors (19172673819) is greater than itself. Its abundance is 6049701801

Bases of 13122972018

• Binary: 1100001110001100001010100101110010₂
• Hexadecimal: 0x30E30A972
• Base-36: 6112U0I

Squares and roots of 13122972018

• 13122972018 squared (13122972018²) is 172212394585210992324
• 13122972018 cubed (13122972018³) is 2259938435294498568893864789832
• The square root of 13122972018 is 114555.5411929079
• The cube root of 13122972018 is 2358.7254931261

Scales and comparisons

• 13,122,972,018 seconds is equal to 417 years, 14 weeks, 6 hours, 18 seconds.
• To count from 1 to 13,122,972,018 would take you about eight hundred thirty-four 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 13122972018 cubic inches would be around 196.6 feet tall.

Recreational maths with 13122972018

• 13122972018 backwards is 81027922131
• The number of decimal digits it has is: 11
• The sum of 13122972018's digits is 36
• More coming soon!