21264170765418

Names of 21264170765418

• Cardinal: 21264170765418 can be written as Twenty-one trillion, two hundred sixty-four billion, one hundred seventy million, seven hundred sixty-five thousand, four hundred eighteen.

Scientific notation

• Scientific notation: 2.1264170765418 × 10¹³

Factors of 21264170765418

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 22180526

Divisors of 21264170765418

• Number of divisors d(n): 72
• Complete list of divisors:
  1 2 3 6 7 9 14 18 21 42 49 63 98 126 147 294 441 882 1087 2174 3261 6522 7609 9783 15218 19566 22827 45654 53263 68481 106526 136962 159789 319578 479367 958734 22179427 44358854 66538281 133076562 155255989 199614843 310511978 399229686 465767967 931535934 1086791923 1397303901 2173583846 2794607802 3260375769 6520751538 9781127307 19562254614 24109037149 48218074298 72327111447 144654222894 168763260043 216981334341 337526520086 433962668682 506289780129 1012579560258 1181342820301 1518869340387 2362685640602 3037738680774 3544028460903 7088056921806 10632085382709 21264170765418
• Sum of all divisors σ(n): 53643696867072
• Sum of proper divisors (its aliquot sum) s(n): 32379526101654
• 21264170765418 is an abundant number, because the sum of its proper divisors (32379526101654) is greater than itself. Its abundance is 11115355336236

Bases of 21264170765418

• Binary: 100110101011011110011010110000100110001101010₂
• Hexadecimal: 0x1356F3584C6A
• Base-36: 7JCMI8YUI

Squares and roots of 21264170765418

• 21264170765418 squared (21264170765418²) is 452164958340857531984714724
• 21264170765418 cubed (21264170765418³) is 9614912888298110589245901709315454614632
• The square root of 21264170765418 is 4611309.0078000629
• The cube root of 21264170765418 is 27704.4468723493

Scales and comparisons

• 21,264,170,765,418 seconds is equal to 676,134 years, 44 weeks, 3 days, 13 hours, 30 minutes, 18 seconds.
• To count from 1 to 21,264,170,765,418 would take you about one million, six hundred ninety thousand, three hundred thirty-seven 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 21264170765418 cubic inches would be around 2308.7 feet tall.

Recreational maths with 21264170765418

• 21264170765418 backwards is 81456707146212
• The number of decimal digits it has is: 14
• The sum of 21264170765418's digits is 54
• More coming soon!