7138632163790378161

Names of 7138632163790378161

• Cardinal: 7138632163790378161 can be written as Seven quintillion, one hundred thirty-eight quadrillion, six hundred thirty-two trillion, one hundred sixty-three billion, seven hundred ninety million, three hundred seventy-eight thousand, one hundred sixty-one.

Scientific notation

• Scientific notation: 7.138632163790378161 × 10¹⁸

Factors of 7138632163790378161

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 6
• Sum of prime factors: 5419563

Divisors of 7138632163790378161

• Number of divisors d(n): 27
• Complete list of divisors:
  1 17 29 289 493 841 8381 14297 243049 5419517 92131789 157165993 1566240413 2671821881 4557813797 45420971977 77482834549 1317208187333 29371164513289 499309796725913 851763770885381 8488266544340521 14479984105051477 24701149355676049 246159729785875109 419919539046492833 7138632163790378161
• Sum of all divisors σ(n): 7853762726522793379
• Sum of proper divisors (its aliquot sum) s(n): 715130562732415218
• 7138632163790378161 is a deficient number, because the sum of its proper divisors (715130562732415218) is less than itself. Its deficiency is 6423501601057962943

Bases of 7138632163790378161

• Binary: 110001100010001100001000010000110000000111001110101010010110001₂
• Hexadecimal: 0x6311842180E754B1
• Base-36: 1I8HTWMTOA8C1

Squares and roots of 7138632163790378161

• 7138632163790378161 squared (7138632163790378161²) is 50960069169902496491719482123385741921
• 7138632163790378161 cubed (7138632163790378161³) is 363785188845248398784723689986139187741422002916140587281
• 7138632163790378161 is a perfect square number. Its square root is 2671821881
• The cube root of 7138632163790378161 is 1925476.9977816693

Scales and comparisons

• 7,138,632,163,790,378,161 seconds is equal to 226,986,421,569 years, 23 weeks, 12 hours, 36 minutes, 1 second.
• To count from 1 to 7,138,632,163,790,378,161 would take you about two hundred ninety-three billion, two hundred seventy-four million, seven hundred one thousand and 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 7138632163790378161 cubic inches would be around 160456.4 feet tall.

Recreational maths with 7138632163790378161

• 7138632163790378161 backwards is 1618730973612368317
• The number of decimal digits it has is: 19
• The sum of 7138632163790378161's digits is 82
• More coming soon!