1321786821642

Names of 1321786821642

• Cardinal: 1321786821642 can be written as One trillion, three hundred twenty-one billion, seven hundred eighty-six million, eight hundred twenty-one thousand, six hundred forty-two.

Scientific notation

• Scientific notation: 1.321786821642 × 10¹²

Factors of 1321786821642

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 25355

Divisors of 1321786821642

• Number of divisors d(n): 48
• Complete list of divisors:
  1 2 3 6 7 14 21 42 49 98 147 294 343 686 1029 2058 25343 50686 76029 152058 177401 354802 532203 1064406 1241807 2483614 3725421 7450842 8692649 17385298 26077947 52155894 642267649 1284535298 1926802947 3853605894 4495873543 8991747086 13487620629 26975241258 31471114801 62942229602 94413344403 188826688806 220297803607 440595607214 660893410821 1321786821642
• Sum of all divisors σ(n): 3083006366400
• Sum of proper divisors (its aliquot sum) s(n): 1761219544758
• 1321786821642 is an abundant number, because the sum of its proper divisors (1761219544758) is greater than itself. Its abundance is 439432723116

Bases of 1321786821642

• Binary: 10011001111000000101000100100110000001010₂
• Hexadecimal: 0x133C0A24C0A
• Base-36: GV7XQUX6

Squares and roots of 1321786821642

• 1321786821642 squared (1321786821642²) is 1747120401866460319576164
• 1321786821642 cubed (1321786821642³) is 2309320723008962350333489406102541288
• The square root of 1321786821642 is 1149689.8806382529
• The cube root of 1321786821642 is 10974.5605555081

Scales and comparisons

• 1,321,786,821,642 seconds is equal to 42,028 years, 38 weeks, 14 hours, 42 seconds.
• To count from 1 to 1,321,786,821,642 would take you about one hundred five thousand and 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 1321786821642 cubic inches would be around 914.5 feet tall.

Recreational maths with 1321786821642

• 1321786821642 backwards is 2461286871231
• The number of decimal digits it has is: 13
• The sum of 1321786821642's digits is 51
• More coming soon!