20520768512321

Names of 20520768512321

• Cardinal: 20520768512321 can be written as Twenty trillion, five hundred twenty billion, seven hundred sixty-eight million, five hundred twelve thousand, three hundred twenty-one.

Scientific notation

• Scientific notation: 2.0520768512321 × 10¹³

Factors of 20520768512321

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 163

Divisors of 20520768512321

• Number of divisors d(n): 192
• Complete list of divisors:
  1 7 11 31 41 49 73 77 121 217 287 341 343 451 511 539 803 847 1271 1519 2009 2263 2387 2993 3157 3577 3751 3773 4961 5329 5621 5929 8833 8897 10633 13981 14063 15841 16709 20951 22099 24893 25039 26257 32923 34727 37303 39347 41503 58619 61831 62279 92783 97867 110887 116963 146657 153791 154693 165199 174251 183799 218489 230461 243089 261121 273823 275429 362153 389017 410333 432817 435953 644809 649481 685069 776209 1020613 1026599 1076537 1156393 1219757 1286593 1529423 1613227 1701623 1817189 1827847 1916761 2403379 2535071 2723119 2872331 3029719 4279187 4513663 4546367 4795483 6773159 7144291 7535759 8094751 8538299 10705961 11226743 11292589 12059527 12720323 13417327 15949697 16823653 17745497 19061833 19989079 20106317 26437169 29954309 31595641 31824569 47071057 47412113 50010037 52750313 56663257 74504749 74941727 78587201 84416689 89042261 93921289 111647879 117765571 124218479 132654797 133432831 139923553 175446667 185060183 209680163 221169487 329497399 331884791 350070259 494440607 521533243 550110407 590916823 623295827 781535153 819552239 824358997 928583579 979464871 1228126669 1295421281 1459202767 1467761141 1929913337 2306481793 2323193537 3461084249 3650732701 3850772849 4136417761 5438846677 5470746071 5736865673 6500085053 6856254097 8596886683 9067948967 10214419369 13509393359 16145372551 24227589743 25555128907 38071926739 40158059711 45500595371 59827313447 60178206781 71500935583 94565753513 169593128201 266503487173 281106417977 418791194129 500506549081 661960274591 1865524410211 2931538358903 20520768512321
• Sum of all divisors σ(n): 28201345536000
• Sum of proper divisors (its aliquot sum) s(n): 7680577023679
• 20520768512321 is a deficient number, because the sum of its proper divisors (7680577023679) is less than itself. Its deficiency is 12840191488642

Bases of 20520768512321

• Binary: 100101010100111011101000111100010000101000001₂
• Hexadecimal: 0x12A9DD1E2141
• Base-36: 79V3ZQP8H

Squares and roots of 20520768512321

• 20520768512321 squared (20520768512321²) is 421101940336265027528807041
• 20520768512321 cubed (20520768512321³) is 8641335437729703791447897773713440052161
• The square root of 20520768512321 is 4529985.4869878997
• The cube root of 20520768512321 is 27377.7575865049

Scales and comparisons

• 20,520,768,512,321 seconds is equal to 652,496 years, 50 weeks, 19 hours, 38 minutes, 41 seconds.
• To count from 1 to 20,520,768,512,321 would take you about one million, six hundred thirty-one thousand, two hundred forty-two 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 20520768512321 cubic inches would be around 2281.5 feet tall.

Recreational maths with 20520768512321

• 20520768512321 backwards is 12321586702502
• The number of decimal digits it has is: 14
• The sum of 20520768512321's digits is 44
• More coming soon!