21079936810872

Names of 21079936810872

• Cardinal: 21079936810872 can be written as Twenty-one trillion, seventy-nine billion, nine hundred thirty-six million, eight hundred ten thousand, eight hundred seventy-two.

Scientific notation

• Scientific notation: 2.1079936810872 × 10¹³

Factors of 21079936810872

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 48058

Divisors of 21079936810872

• Number of divisors d(n): 96
• Complete list of divisors:
  1 2 3 4 6 8 9 12 18 24 36 72 751 1502 2253 3004 4506 6008 6759 9012 10631 13518 18024 21262 27036 31893 36671 42524 54072 63786 73342 85048 95679 110013 127572 146684 191358 220026 255144 293368 330039 382716 440052 660078 765432 880104 1320156 2640312 7983881 15967762 23951643 27539921 31935524 47903286 55079842 63871048 71854929 82619763 95806572 110159684 143709858 165239526 191613144 220319368 247859289 287419716 330479052 389849401 495718578 574839432 660958104 779698802 991437156 1169548203 1559397604 1982874312 2339096406 3118795208 3508644609 4678192812 7017289218 9356385624 14034578436 28069156872 292776900151 585553800302 878330700453 1171107600604 1756661400906 2342215201208 2634992101359 3513322801812 5269984202718 7026645603624 10539968405436 21079936810872
• Sum of all divisors σ(n): 57174452674560
• Sum of proper divisors (its aliquot sum) s(n): 36094515863688
• 21079936810872 is an abundant number, because the sum of its proper divisors (36094515863688) is greater than itself. Its abundance is 15014579052816

Bases of 21079936810872

• Binary: 100110010110000001110001001010011111101111000₂
• Hexadecimal: 0x132C0E253F78
• Base-36: 7GZZM3XQ0

Squares and roots of 21079936810872

• 21079936810872 squared (21079936810872²) is 444363735950356385897400384
• 21079936810872 cubed (21079936810872³) is 9367159474876523089445886006492268174848
• The square root of 21079936810872 is 4591289.2318903195
• The cube root of 21079936810872 is 27624.2037259187

Scales and comparisons

• 21,079,936,810,872 seconds is equal to 670,276 years, 40 weeks, 6 days, 3 hours, 1 minute, 12 seconds.
• To count from 1 to 21,079,936,810,872 would take you about one million, six hundred seventy-five thousand, six hundred ninety-one 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 21079936810872 cubic inches would be around 2302 feet tall.

Recreational maths with 21079936810872

• 21079936810872 backwards is 27801863997012
• The number of decimal digits it has is: 14
• The sum of 21079936810872's digits is 63
• More coming soon!