21638932022664

Names of 21638932022664

• Cardinal: 21638932022664 can be written as Twenty-one trillion, six hundred thirty-eight billion, nine hundred thirty-two million, twenty-two thousand, six hundred sixty-four.

Scientific notation

• Scientific notation: 2.1638932022664 × 10¹³

Factors of 21638932022664

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 6181668

Divisors of 21638932022664

• Number of divisors d(n): 96
• Complete list of divisors:
  1 2 3 4 6 8 9 11 12 18 22 24 33 36 44 66 72 88 99 132 198 264 396 792 4423 8846 13269 17692 26538 35384 39807 48653 53076 79614 97306 106152 145959 159228 194612 291918 318456 389224 437877 583836 875754 1167672 1751508 3503016 6177229 12354458 18531687 24708916 37063374 49417832 55595061 67949519 74126748 111190122 135899038 148253496 203848557 222380244 271798076 407697114 444760488 543596152 611545671 815394228 1223091342 1630788456 2446182684 4892365368 27321883867 54643767734 81965651601 109287535468 163931303202 218575070936 245896954803 300540722537 327862606404 491793909606 601081445074 655725212808 901622167611 983587819212 1202162890148 1803244335222 1967175638424 2404325780296 2704866502833 3606488670444 5409733005666 7212977340888 10819466011332 21638932022664
• Sum of all divisors σ(n): 63947673316800
• Sum of proper divisors (its aliquot sum) s(n): 42308741294136
• 21638932022664 is an abundant number, because the sum of its proper divisors (42308741294136) is greater than itself. Its abundance is 20669809271472

Bases of 21638932022664

• Binary: 100111010111000110100110110110100010110001000₂
• Hexadecimal: 0x13AE34DB4588
• Base-36: 7O4SDFBM0

Squares and roots of 21638932022664

• 21638932022664 squared (21638932022664²) is 468243379081473510209656896
• 21638932022664 cubed (21638932022664³) is 10132286650006495690730586951266735890944
• The square root of 21638932022664 is 4651766.5485989299
• The cube root of 21638932022664 is 27866.2550369833

Scales and comparisons

• 21,638,932,022,664 seconds is equal to 688,051 years, 5 weeks, 3 days, 2 hours, 44 minutes, 24 seconds.
• To count from 1 to 21,638,932,022,664 would take you about one million, seven hundred twenty thousand, one hundred twenty-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 21638932022664 cubic inches would be around 2322.2 feet tall.

Recreational maths with 21638932022664

• 21638932022664 backwards is 46622023983612
• The number of decimal digits it has is: 14
• The sum of 21638932022664's digits is 54
• More coming soon!