18321018109440

Names of 18321018109440

• Cardinal: 18321018109440 can be written as Eighteen trillion, three hundred twenty-one billion, eighteen million, one hundred nine thousand, four hundred forty.

Scientific notation

• Scientific notation: 1.832101810944 × 10¹³

Factors of 18321018109440

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 13
• Sum of prime factors: 3255244

Divisors of 18321018109440

• Number of divisors d(n): 160
• Complete list of divisors:
  1 2 3 4 5 6 8 10 12 15 16 20 24 30 32 40 48 60 64 80 96 120 128 160 192 240 256 320 384 480 512 640 733 768 960 1280 1466 1536 1920 2199 2560 2932 3665 3840 4398 5864 7330 7680 8796 10995 11728 14660 17592 21990 23456 29320 35184 43980 46912 58640 70368 87960 93824 117280 140736 175920 187648 234560 281472 351840 375296 469120 562944 703680 938240 1125888 1407360 1876480 2814720 3254501 5629440 6509002 9763503 13018004 16272505 19527006 26036008 32545010 39054012 48817515 52072016 65090020 78108024 97635030 104144032 130180040 156216048 195270060 208288064 260360080 312432096 390540120 416576128 520720160 624864192 781080240 833152256 1041440320 1249728384 1562160480 1666304512 2082880640 2385549233 2499456768 3124320960 4165761280 4771098466 4998913536 6248641920 7156647699 8331522560 9542196932 11927746165 12497283840 14313295398 19084393864 23855492330 24994567680 28626590796 35783238495 38168787728 47710984660 57253181592 71566476990 76337575456 95421969320 114506363184 143132953980 152675150912 190843938640 229012726368 286265907960 305350301824 381687877280 458025452736 572531815920 610700603648 763375754560 916050905472 1145063631840 1221401207296 1526751509120 1832101810944 2290127263680 3053503018240 3664203621888 4580254527360 6107006036480 9160509054720 18321018109440
• Sum of all divisors σ(n): 58649927298336
• Sum of proper divisors (its aliquot sum) s(n): 40328909188896
• 18321018109440 is an abundant number, because the sum of its proper divisors (40328909188896) is greater than itself. Its abundance is 22007891079456

Bases of 18321018109440

• Binary: 100001010100110110001110001101011111000000000₂
• Hexadecimal: 0x10A9B1C6BE00
• Base-36: 6HSK55BEO

Squares and roots of 18321018109440

• 18321018109440 squared (18321018109440²) is 335659704566428431817113600
• 18321018109440 cubed (18321018109440³) is 6149627525970815562783038551709712384000
• The square root of 18321018109440 is 4280305.8429789803
• The cube root of 18321018109440 is 26362.2941354145

Scales and comparisons

• 18,321,018,109,440 seconds is equal to 582,551 years, 36 weeks, 4 days, 17 hours, 4 minutes.
• To count from 1 to 18,321,018,109,440 would take you about one million, four hundred fifty-six thousand, three hundred seventy-nine 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 18321018109440 cubic inches would be around 2196.9 feet tall.

Recreational maths with 18321018109440

• 18321018109440 backwards is 04490181012381
• The number of decimal digits it has is: 14
• The sum of 18321018109440's digits is 42
• More coming soon!