1621836161968

Names of 1621836161968

• Cardinal: 1621836161968 can be written as One trillion, six hundred twenty-one billion, eight hundred thirty-six million, one hundred sixty-one thousand, nine hundred sixty-eight.

Scientific notation

• Scientific notation: 1.621836161968 × 10¹²

Factors of 1621836161968

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 47746207

Divisors of 1621836161968

• Number of divisors d(n): 40
• Complete list of divisors:
  1 2 4 8 11 16 22 44 88 176 193 386 772 1544 2123 3088 4246 8492 16984 33968 47746001 95492002 190984004 381968008 525206011 763936016 1050412022 2100824044 4201648088 8403296176 9214978193 18429956386 36859912772 73719825544 101364760123 147439651088 202729520246 405459040492 810918080984 1621836161968
• Sum of all divisors σ(n): 3445733472336
• Sum of proper divisors (its aliquot sum) s(n): 1823897310368
• 1621836161968 is an abundant number, because the sum of its proper divisors (1823897310368) is greater than itself. Its abundance is 202061148400

Bases of 1621836161968

• Binary: 10111100110011100111101111110001110110000₂
• Hexadecimal: 0x1799CF7E3B0
• Base-36: KP27DJN4

Squares and roots of 1621836161968

• 1621836161968 squared (1621836161968²) is 2630352536267092729633024
• 1621836161968 cubed (1621836161968³) is 4266000862042216198365580345265631232
• The square root of 1621836161968 is 1273513.3144054679
• The cube root of 1621836161968 is 11749.0384895251

Scales and comparisons

• 1,621,836,161,968 seconds is equal to 51,569 years, 19 weeks, 2 days, 20 hours, 59 minutes, 28 seconds.
• To count from 1 to 1,621,836,161,968 would take you about one hundred twenty-eight thousand, nine hundred twenty-three 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 1621836161968 cubic inches would be around 979.1 feet tall.

Recreational maths with 1621836161968

• 1621836161968 backwards is 8691616381261
• The number of decimal digits it has is: 13
• The sum of 1621836161968's digits is 58
• More coming soon!