21168169840324827

Names of 21168169840324827

• Cardinal: 21168169840324827 can be written as Twenty-one quadrillion, one hundred sixty-eight trillion, one hundred sixty-nine billion, eight hundred forty million, three hundred twenty-four thousand, eight hundred twenty-seven.

Scientific notation

• Scientific notation: 2.1168169840324827 × 10¹⁶

Factors of 21168169840324827

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 14
• Sum of prime factors: 561

Divisors of 21168169840324827

• Number of divisors d(n): 120
• Complete list of divisors:
  1 3 9 27 81 109 243 327 449 729 981 1347 2187 2943 4041 6561 8829 11881 12123 19683 26487 35643 36369 48941 79461 106929 109107 146823 201601 238383 320787 327321 440469 604803 715149 962361 981963 1321407 1814409 2145447 2887083 2945889 3964221 5334569 5443227 8661249 8837667 11892663 16003707 16329681 21974509 25983747 35677989 48011121 48989043 65923527 77951241 90518849 107033967 144033363 146967129 197770581 233853723 271556547 321101901 432100089 440901387 593311743 814669641 963305703 1296300267 1322704161 1779935229 2395221481 2444008923 3888900801 3968112483 5339805687 7185664443 7332026769 9866554541 11666702403 16019417061 21556993329 21996080307 29599663623 35000107209 48058251183 64670979987 65988240921 88798990869 105000321627 144174753549 194012939961 197964722763 266396972607 432524260647 582038819883 593894168289 799190917821 1075454444969 1746116459649 1781682504867 2397572753463 3226363334907 5238349378947 7192718260389 9679090004721 15715048136841 21578154781167 29037270014163 47145144410523 64734464343501 87111810042489 194203393030503 261335430127467 784006290382401 2352018871147203 7056056613441609 21168169840324827
• Sum of all divisors σ(n): 32117220224535600
• Sum of proper divisors (its aliquot sum) s(n): 10949050384210773
• 21168169840324827 is a deficient number, because the sum of its proper divisors (10949050384210773) is less than itself. Its deficiency is 10219119456114054

Bases of 21168169840324827

• Binary: 1001011001101000101011010011011111000001011000011011011₂
• Hexadecimal: 0x4B34569BE0B0DB
• Base-36: 5SFHMZ4ZAOR

Squares and roots of 21168169840324827

• 21168169840324827 squared (21168169840324827²) is 448091414388837611809340872579929
• 21168169840324827 cubed (21168169840324827³) is 9485275163774286556821800244156928814758880597283
• The square root of 21168169840324827 is 145492851.5093605105
• The cube root of 21168169840324827 is 276626.9173533473

Scales and comparisons

• 21,168,169,840,324,827 seconds is equal to 673,082,323 years, 24 weeks, 4 days, 12 hours, 27 seconds.
• To count from 1 to 21,168,169,840,324,827 would take you about two billion, nineteen million, two hundred forty-six thousand, nine hundred seventy 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 21168169840324827 cubic inches would be around 23052.2 feet tall.

Recreational maths with 21168169840324827

• 21168169840324827 backwards is 72842304896186112
• The number of decimal digits it has is: 17
• The sum of 21168169840324827's digits is 72
• More coming soon!