21428484320552

Names of 21428484320552

• Cardinal: 21428484320552 can be written as Twenty-one trillion, four hundred twenty-eight billion, four hundred eighty-four million, three hundred twenty thousand, five hundred fifty-two.

Scientific notation

• Scientific notation: 2.1428484320552 × 10¹³

Factors of 21428484320552

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 36326

Divisors of 21428484320552

• Number of divisors d(n): 64
• Complete list of divisors:
  1 2 4 8 43 86 172 344 557 1114 2228 3467 4456 6934 13868 23951 27736 32257 47902 64514 95804 129028 149081 191608 258056 298162 596324 1192648 1387051 1931119 2774102 3862238 5548204 7724476 11096408 15448952 17967149 35934298 71868596 83038117 111835019 143737192 166076234 223670038 332152468 447340076 664304936 772587407 894680152 1545174814 3090349628 4808905817 6180699256 9617811634 19235623268 38471246536 62292105583 124584211166 249168422332 498336844664 2678560540069 5357121080138 10714242160276 21428484320552
• Sum of all divisors σ(n): 41199757600320
• Sum of proper divisors (its aliquot sum) s(n): 19771273279768
• 21428484320552 is a deficient number, because the sum of its proper divisors (19771273279768) is less than itself. Its deficiency is 1657211040784

Bases of 21428484320552

• Binary: 100110111110100110101001100100010110100101000₂
• Hexadecimal: 0x137D35322D28
• Base-36: 7LG3YAPEW

Squares and roots of 21428484320552

• 21428484320552 squared (21428484320552²) is 459179940276142909089584704
• 21428484320552 cubed (21428484320552³) is 9839530150519332124537782190793292036608
• The square root of 21428484320552 is 4629091.0901117511
• The cube root of 21428484320552 is 27775.6235779405

Scales and comparisons

• 21,428,484,320,552 seconds is equal to 681,359 years, 26 weeks, 6 days, 19 hours, 42 minutes, 32 seconds.
• To count from 1 to 21,428,484,320,552 would take you about one million, seven hundred three thousand, three hundred ninety-eight 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 21428484320552 cubic inches would be around 2314.6 feet tall.

Recreational maths with 21428484320552

• 21428484320552 backwards is 25502348482412
• The number of decimal digits it has is: 14
• The sum of 21428484320552's digits is 50
• More coming soon!