21016181082

Names of 21016181082

• Cardinal: 21016181082 can be written as Twenty-one billion, sixteen million, one hundred eighty-one thousand and eighty-two.

Scientific notation

• Scientific notation: 2.1016181082 × 10¹⁰

Factors of 21016181082

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 835

Divisors of 21016181082

• Number of divisors d(n): 96
• Complete list of divisors:
  1 2 3 6 13 17 26 34 39 51 78 102 157 221 314 442 471 643 663 942 1286 1326 1929 2041 2669 3858 4082 5338 6123 8007 8359 10931 12246 16014 16718 21862 24649 25077 32793 34697 49298 50154 65586 69394 73947 100951 104091 142103 147894 201902 208182 284206 302853 320437 419033 426309 605706 640874 838066 852618 961311 1257099 1312363 1716167 1922622 2514198 2624726 3432334 3937089 5148501 5447429 7874178 10297002 10894858 15849307 16342287 22310171 31698614 32684574 44620342 47547921 66930513 95095842 133861026 206040991 269438219 412081982 538876438 618122973 808314657 1236245946 1616629314 3502696847 7005393694 10508090541 21016181082
• Sum of all divisors σ(n): 48310540992
• Sum of proper divisors (its aliquot sum) s(n): 27294359910
• 21016181082 is an abundant number, because the sum of its proper divisors (27294359910) is greater than itself. Its abundance is 6278178828

Bases of 21016181082

• Binary: 10011100100101010010111100101011010₂
• Hexadecimal: 0x4E4A9795A
• Base-36: 9NKHP3U

Squares and roots of 21016181082

• 21016181082 squared (21016181082²) is 441679867271414690724
• 21016181082 cubed (21016181082³) is 9282424070849776382570609683368
• The square root of 21016181082 is 144969.5867483937
• The cube root of 21016181082 is 2759.6326036377

Scales and comparisons

• 21,016,181,082 seconds is equal to 668 years, 12 weeks, 6 days, 20 hours, 4 minutes, 42 seconds.
• To count from 1 to 21,016,181,082 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 21016181082 cubic inches would be around 230 feet tall.

Recreational maths with 21016181082

• 21016181082 backwards is 28018161012
• The number of decimal digits it has is: 11
• The sum of 21016181082's digits is 30
• More coming soon!