18361645380078

Names of 18361645380078

• Cardinal: 18361645380078 can be written as Eighteen trillion, three hundred sixty-one billion, six hundred forty-five million, three hundred eighty thousand and seventy-eight.

Scientific notation

• Scientific notation: 1.8361645380078 × 10¹³

Factors of 18361645380078

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 21994542

Divisors of 18361645380078

• Number of divisors d(n): 128
• Complete list of divisors:
  1 2 3 6 7 11 13 14 21 22 26 33 39 42 66 77 78 91 139 143 154 182 231 273 278 286 417 429 462 546 834 858 973 1001 1529 1807 1946 2002 2919 3003 3058 3614 4587 5421 5838 6006 9174 10703 10842 12649 19877 21406 25298 32109 37947 39754 59631 64218 75894 119262 139139 278278 417417 834834 21994367 43988734 65983101 131966202 153960569 241938037 285926771 307921138 461881707 483876074 571853542 725814111 857780313 923763414 1451628222 1693566259 1715560626 2001487397 3057217013 3145194481 3387132518 4002974794 5080698777 6004462191 6114434026 6290388962 9171651039 9435583443 10161397554 12008924382 18343302078 18871166886 21400519091 22016361367 33629387143 39743821169 42801038182 44032722734 64201557273 66049084101 67258774286 79487642338 100888161429 119231463507 128403114546 132098168202 201776322858 235405710001 238462927014 278206748183 437182032859 470811420002 556413496366 706217130003 834620244549 874364065718 1311546098577 1412434260006 1669240489098 2623092197154 3060274230013 6120548460026 9180822690039 18361645380078
• Sum of all divisors σ(n): 49661523394560
• Sum of proper divisors (its aliquot sum) s(n): 31299878014482
• 18361645380078 is an abundant number, because the sum of its proper divisors (31299878014482) is greater than itself. Its abundance is 12938232634404

Bases of 18361645380078

• Binary: 100001011001100100111010110011011000111101110₂
• Hexadecimal: 0x10B32759B1EE
• Base-36: 6IB81KQ26

Squares and roots of 18361645380078

• 18361645380078 squared (18361645380078²) is 337150021063739761079286084
• 18361645380078 cubed (18361645380078³) is 6190629126658217571186748839341076234552
• The square root of 18361645380078 is 4285049.0522370919
• The cube root of 18361645380078 is 26381.7660765055

Scales and comparisons

• 18,361,645,380,078 seconds is equal to 583,843 years, 27 weeks, 2 days, 18 hours, 1 minute, 18 seconds.
• To count from 1 to 18,361,645,380,078 would take you about one million, four hundred fifty-nine thousand, six hundred eight 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 18361645380078 cubic inches would be around 2198.5 feet tall.

Recreational maths with 18361645380078

• 18361645380078 backwards is 87008354616381
• The number of decimal digits it has is: 14
• The sum of 18361645380078's digits is 60
• More coming soon!