21411329984

Names of 21411329984

• Cardinal: 21411329984 can be written as Twenty-one billion, four hundred eleven million, three hundred twenty-nine thousand, nine hundred eighty-four.

Scientific notation

• Scientific notation: 2.1411329984 × 10¹⁰

Factors of 21411329984

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 981135

Divisors of 21411329984

• Number of divisors d(n): 56
• Complete list of divisors:
  1 2 4 8 11 16 22 31 32 44 62 64 88 124 176 248 341 352 496 682 704 992 1364 1984 2728 5456 10912 21824 981091 1962182 3924364 7848728 10792001 15697456 21584002 30413821 31394912 43168004 60827642 62789824 86336008 121655284 172672016 243310568 334552031 345344032 486621136 669104062 690688064 973242272 1338208124 1946484544 2676416248 5352832496 10705664992 21411329984
• Sum of all divisors σ(n): 47845894656
• Sum of proper divisors (its aliquot sum) s(n): 26434564672
• 21411329984 is an abundant number, because the sum of its proper divisors (26434564672) is greater than itself. Its abundance is 5023234688

Bases of 21411329984

• Binary: 10011111100001101101111011111000000₂
• Hexadecimal: 0x4FC36F7C0
• Base-36: 9U3R3Y8

Squares and roots of 21411329984

• 21411329984 squared (21411329984²) is 458445051683737440256
• 21411329984 cubed (21411329984³) is 9815918281132437139736701435904
• The square root of 21411329984 is 146326.1083470753
• The cube root of 21411329984 is 2776.8209776305

Scales and comparisons

• 21,411,329,984 seconds is equal to 680 years, 42 weeks, 2 days, 7 hours, 39 minutes, 44 seconds.
• To count from 1 to 21,411,329,984 would take you about one thousand, three hundred sixty-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 21411329984 cubic inches would be around 231.4 feet tall.

Recreational maths with 21411329984

• 21411329984 backwards is 48992311412
• 21411329984 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 21411329984's digits is 44
• More coming soon!