18356145436461

Names of 18356145436461

• Cardinal: 18356145436461 can be written as Eighteen trillion, three hundred fifty-six billion, one hundred forty-five million, four hundred thirty-six thousand, four hundred sixty-one.

Scientific notation

• Scientific notation: 1.8356145436461 × 10¹³

Factors of 18356145436461

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 6
• Sum of prime factors: 16155

Divisors of 18356145436461

• Number of divisors d(n): 48
• Complete list of divisors:
  1 3 7 21 49 147 3221 4733 8191 9663 14199 22547 24573 33131 57337 67641 99393 157829 172011 231917 401359 473487 695751 1204077 15244993 26383211 38768003 45734979 79149633 106714951 116304009 184682477 271376021 320144853 554047431 747004657 814128063 1292777339 1899632147 2241013971 3878332017 5698896441 124871737663 374615212989 874102163641 2622306490923 6118715145487 18356145436461
• Sum of all divisors σ(n): 28489090203648
• Sum of proper divisors (its aliquot sum) s(n): 10132944767187
• 18356145436461 is a deficient number, because the sum of its proper divisors (10132944767187) is less than itself. Its deficiency is 8223200669274

Bases of 18356145436461

• Binary: 100001011000111011111100001110011011100101101₂
• Hexadecimal: 0x10B1DF87372D
• Base-36: 6I8P31UEL

Squares and roots of 18356145436461

• 18356145436461 squared (18356145436461²) is 336948075284507996188204521
• 18356145436461 cubed (18356145436461³) is 6185067874458038918441774001431478440181
• The square root of 18356145436461 is 4284407.2444692977
• The cube root of 18356145436461 is 26379.1317316951

Scales and comparisons

• 18,356,145,436,461 seconds is equal to 583,668 years, 33 weeks, 3 days, 23 hours, 54 minutes, 21 seconds.
• To count from 1 to 18,356,145,436,461 would take you about one million, four hundred fifty-nine thousand, one hundred seventy-one 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 18356145436461 cubic inches would be around 2198.3 feet tall.

Recreational maths with 18356145436461

• 18356145436461 backwards is 16463454165381
• The number of decimal digits it has is: 14
• The sum of 18356145436461's digits is 57
• More coming soon!