18790042792707728

Names of 18790042792707728

• Cardinal: 18790042792707728 can be written as Eighteen quadrillion, seven hundred ninety trillion, forty-two billion, seven hundred ninety-two million, seven hundred seven thousand, seven hundred twenty-eight.

Scientific notation

• Scientific notation: 1.8790042792707728 × 10¹⁶

Factors of 18790042792707728

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 68548194

Divisors of 18790042792707728

• Number of divisors d(n): 80
• Complete list of divisors:
  1 2 4 8 16 41 43 82 86 164 172 328 344 656 688 1763 3526 7052 9719 14104 19438 28208 38876 77752 155504 398479 417917 796958 835834 1593916 1671668 3187832 3343336 6375664 6686672 17134597 34269194 68538388 68538389 137076776 137076778 274153552 274153556 548307112 1096614224 2810073949 2947150727 5620147898 5894301454 11240295796 11788602908 22480591592 23577205816 44961183184 47154411632 120833179807 241666359614 483332719228 666124602691 966665438456 1332249205382 1933330876912 2664498410764 5328996821528 10657993643056 27311108710331 28643357915713 54622217420662 57286715831426 109244434841324 114573431662852 218488869682648 229146863325704 436977739365296 458293726651408 1174377674544233 2348755349088466 4697510698176932 9395021396353864 18790042792707728
• Sum of all divisors σ(n): 38164873223030400
• Sum of proper divisors (its aliquot sum) s(n): 19374830430322672
• 18790042792707728 is an abundant number, because the sum of its proper divisors (19374830430322672) is greater than itself. Its abundance is 584787637614944

Bases of 18790042792707728

• Binary: 1000010110000010111000111000001111110010100011010010000₂
• Hexadecimal: 0x42C171C1F94690
• Base-36: 550IIHQ9028

Squares and roots of 18790042792707728

• 18790042792707728 squared (18790042792707728²) is 353065708151787634074694030921984
• 18790042792707728 cubed (18790042792707728³) is 6634119764809747363058786524019465630655681892352
• The square root of 18790042792707728 is 137076776.9999999963
• The cube root of 18790042792707728 is 265853.6270123269

Scales and comparisons

• 18,790,042,792,707,728 seconds is equal to 597,465,239 years, 20 weeks, 1 day, 19 hours, 42 minutes, 8 seconds.
• To count from 1 to 18,790,042,792,707,728 would take you about one billion, seven hundred ninety-two million, three hundred ninety-five thousand, seven hundred eighteen 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 18790042792707728 cubic inches would be around 22154.5 feet tall.

Recreational maths with 18790042792707728

• 18790042792707728 backwards is 82770729724009781
• The number of decimal digits it has is: 17
• The sum of 18790042792707728's digits is 80
• More coming soon!