21023604907263840

Names of 21023604907263840

• Cardinal: 21023604907263840 can be written as Twenty-one quadrillion, twenty-three trillion, six hundred four billion, nine hundred seven million, two hundred sixty-three thousand, eight hundred forty.

Scientific notation

• Scientific notation: 2.102360490726384 × 10¹⁶

Factors of 21023604907263840

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 6257025270036

Divisors of 21023604907263840

• Number of divisors d(n): 96
• Complete list of divisors:
  1 2 3 4 5 6 7 8 10 12 14 15 16 20 21 24 28 30 32 35 40 42 48 56 60 70 80 84 96 105 112 120 140 160 168 210 224 240 280 336 420 480 560 672 840 1120 1680 3360 6257025270019 12514050540038 18771075810057 25028101080076 31285126350095 37542151620114 43799176890133 50056202160152 62570252700190 75084303240228 87598353780266 93855379050285 100112404320304 125140505400380 131397530670399 150168606480456 175196707560532 187710758100570 200224808640608 218995884450665 250281010800760 262795061340798 300337212960912 350393415121064 375421516201140 437991768901330 500562021601520 525590122681596 600674425921824 656987653351995 700786830242128 750843032402280 875983537802660 1001124043203040 1051180245363192 1313975306703990 1401573660484256 1501686064804560 1751967075605320 2102360490726384 2627950613407980 3003372129609120 3503934151210640 4204720981452768 5255901226815960 7007868302421280 10511802453631920 21023604907263840
• Sum of all divisors σ(n): 75684977666161920
• Sum of proper divisors (its aliquot sum) s(n): 54661372758898080
• 21023604907263840 is an abundant number, because the sum of its proper divisors (54661372758898080) is greater than itself. Its abundance is 33637767851634240

Bases of 21023604907263840

• Binary: 1001010101100001101101101110110011001010100011101100000₂
• Hexadecimal: 0x4AB0DB76654760
• Base-36: 5R08URGE3XC

Squares and roots of 21023604907263840

• 21023604907263840 squared (21023604907263840²) is 441991963296728214486395371545600
• 21023604907263840 cubed (21023604907263840³) is 9292264408536274346717738990078254889087791104000
• The square root of 21023604907263840 is 144995189.2555882007
• The cube root of 21023604907263840 is 275995.7505964799

Scales and comparisons

• 21,023,604,907,263,840 seconds is equal to 668,485,605 years, 40 weeks, 17 hours, 44 minutes.
• To count from 1 to 21,023,604,907,263,840 would take you about two billion, five million, four hundred fifty-six thousand, eight hundred seventeen 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 21023604907263840 cubic inches would be around 22999.6 feet tall.

Recreational maths with 21023604907263840

• 21023604907263840 backwards is 04836270940632012
• The number of decimal digits it has is: 17
• The sum of 21023604907263840's digits is 57
• More coming soon!