18093215511990

Names of 18093215511990

• Cardinal: 18093215511990 can be written as Eighteen trillion, ninety-three billion, two hundred fifteen million, five hundred eleven thousand, nine hundred ninety.

Scientific notation

• Scientific notation: 1.809321551199 × 10¹³

Factors of 18093215511990

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 137979311

Divisors of 18093215511990

• Number of divisors d(n): 96
• Complete list of divisors:
  1 2 3 5 6 9 10 15 18 30 31 45 47 62 90 93 94 141 155 186 235 279 282 310 423 465 470 558 705 846 930 1395 1410 1457 2115 2790 2914 4230 4371 7285 8742 13113 14570 21855 26226 43710 65565 131130 137979223 275958446 413937669 689896115 827875338 1241813007 1379792230 2069688345 2483626014 4139376690 4277355913 6209065035 6485023481 8554711826 12418130070 12832067739 12970046962 19455070443 21386779565 25664135478 32425117405 38496203217 38910140886 42773559130 58365211329 64160338695 64850234810 76992406434 97275352215 116730422658 128320677390 192481016085 194550704430 201035727911 291826056645 384962032170 402071455822 583652113290 603107183733 1005178639555 1206214367466 1809321551199 2010357279110 3015535918665 3618643102398 6031071837330 9046607755995 18093215511990
• Sum of all divisors σ(n): 49593044606976
• Sum of proper divisors (its aliquot sum) s(n): 31499829094986
• 18093215511990 is an abundant number, because the sum of its proper divisors (31499829094986) is greater than itself. Its abundance is 13406613582996

Bases of 18093215511990

• Binary: 100000111010010100111101011101111010110110110₂
• Hexadecimal: 0x1074A7AEF5B6
• Base-36: 6EVWPD29I

Squares and roots of 18093215511990

• 18093215511990 squared (18093215511990²) is 327364447563315557833760100
• 18093215511990 cubed (18093215511990³) is 5923075500726618008673088203028333599000
• The square root of 18093215511990 is 4253612.0547118539
• The cube root of 18093215511990 is 26252.5756563181

Scales and comparisons

• 18,093,215,511,990 seconds is equal to 575,308 years, 14 weeks, 6 days, 13 hours, 46 minutes, 30 seconds.
• To count from 1 to 18,093,215,511,990 would take you about one million, four hundred thirty-eight thousand, two hundred seventy 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 18093215511990 cubic inches would be around 2187.7 feet tall.

Recreational maths with 18093215511990

• 18093215511990 backwards is 09911551239081
• The number of decimal digits it has is: 14
• The sum of 18093215511990's digits is 54
• More coming soon!