21012311088

Names of 21012311088

• Cardinal: 21012311088 can be written as Twenty-one billion, twelve million, three hundred eleven thousand and eighty-eight.

Scientific notation

• Scientific notation: 2.1012311088 × 10¹⁰

Factors of 21012311088

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 14
• Sum of prime factors: 66726

Divisors of 21012311088

• Number of divisors d(n): 100
• Complete list of divisors:
  1 2 3 4 6 8 9 12 16 18 24 27 36 48 54 72 81 108 144 162 216 243 324 432 486 648 729 972 1296 1458 1944 2187 2916 3888 4374 5832 6561 8748 11664 13122 17496 19683 26244 34992 39366 52488 66721 78732 104976 133442 157464 200163 266884 314928 400326 533768 600489 800652 1067536 1200978 1601304 1801467 2401956 3202608 3602934 4803912 5404401 7205868 9607824 10808802 14411736 16213203 21617604 28823472 32426406 43235208 48639609 64852812 86470416 97279218 129705624 145918827 194558436 259411248 291837654 389116872 437756481 583675308 778233744 875512962 1167350616 1313269443 1751025924 2334701232 2626538886 3502051848 5253077772 7004103696 10506155544 21012311088
• Sum of all divisors σ(n): 61066910168
• Sum of proper divisors (its aliquot sum) s(n): 40054599080
• 21012311088 is an abundant number, because the sum of its proper divisors (40054599080) is greater than itself. Its abundance is 19042287992

Bases of 21012311088

• Binary: 10011100100011011100110110000110000₂
• Hexadecimal: 0x4E46E6C30
• Base-36: 9NI6R00

Squares and roots of 21012311088

• 21012311088 squared (21012311088²) is 441517217258887743744
• 21012311088 cubed (21012311088³) is 9277297119751831904419353833472
• The square root of 21012311088 is 144956.2385273569
• The cube root of 21012311088 is 2759.4632037331

Scales and comparisons

• 21,012,311,088 seconds is equal to 668 years, 6 weeks, 4 days, 1 hour, 4 minutes, 48 seconds.
• To count from 1 to 21,012,311,088 would take you about one thousand, three hundred thirty-six 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 21012311088 cubic inches would be around 230 feet tall.

Recreational maths with 21012311088

• 21012311088 backwards is 88011321012
• 21012311088 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 21012311088's digits is 27
• More coming soon!