21320164585168

Names of 21320164585168

• Cardinal: 21320164585168 can be written as Twenty-one trillion, three hundred twenty billion, one hundred sixty-four million, five hundred eighty-five thousand, one hundred sixty-eight.

Scientific notation

• Scientific notation: 2.1320164585168 × 10¹³

Factors of 21320164585168

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 285

Divisors of 21320164585168

• Number of divisors d(n): 180
• Complete list of divisors:
  1 2 4 8 16 23 37 46 74 92 148 184 223 296 368 446 529 592 851 892 1058 1369 1702 1784 2116 2738 3404 3568 4232 5129 5476 6808 8251 8464 10258 10952 13616 16502 19573 20516 21904 31487 33004 39146 41032 49729 50653 62974 66008 78292 82064 99458 101306 117967 125948 132016 156584 189773 198916 202612 235934 251896 305287 313168 379546 397832 405224 471868 503792 610574 724201 759092 795664 810448 943736 1143767 1165019 1221148 1448402 1518184 1839973 1887472 2287534 2330038 2442296 2896804 3036368 3679946 4364779 4575068 4660076 4884592 5793608 7021601 7359892 8729558 9150136 9320152 11295619 11587216 14043202 14719784 17459116 18300272 18640304 22591238 26306641 26795437 28086404 29439568 34918232 42319379 45182476 52613282 53590874 56172808 68079001 69836464 84638758 90364952 105226564 107181748 112345616 136158002 161496823 169277516 180729904 210453128 214363496 259799237 272316004 322993646 338555032 420906256 428726992 519598474 544632008 645987292 677110064 973345717 1039196948 1089264016 1291974584 1565817023 1946691434 2078393896 2518923037 2583949168 3131634046 3893382868 4156787792 5037846074 5975382451 6263268092 7786765736 10075692148 11950764902 12526536184 15573531472 20151384296 23901529804 25053072368 36013791529 40302768592 47803059608 57935229851 72027583058 95606119216 115870459702 144055166116 231740919404 288110332232 463481838808 576220664464 926963677616 1332510286573 2665020573146 5330041146292 10660082292584 21320164585168
• Sum of all divisors σ(n): 44581283164740
• Sum of proper divisors (its aliquot sum) s(n): 23261118579572
• 21320164585168 is an abundant number, because the sum of its proper divisors (23261118579572) is greater than itself. Its abundance is 1940953994404

Bases of 21320164585168

• Binary: 100110110001111111100110101100010111011010000₂
• Hexadecimal: 0x1363FCD62ED0
• Base-36: 7K2CJIUOG

Squares and roots of 21320164585168

• 21320164585168 squared (21320164585168²) is 454549417938651797525588224
• 21320164585168 cubed (21320164585168³) is 9691068402544372058465330186602145861632
• The square root of 21320164585168 is 4617376.3746491361
• The cube root of 21320164585168 is 27728.7431118989

Scales and comparisons

• 21,320,164,585,168 seconds is equal to 677,915 years, 14 weeks, 6 days, 4 hours, 19 minutes, 28 seconds.
• To count from 1 to 21,320,164,585,168 would take you about one million, six hundred ninety-four thousand, seven hundred eighty-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 21320164585168 cubic inches would be around 2310.7 feet tall.

Recreational maths with 21320164585168

• 21320164585168 backwards is 86158546102312
• The number of decimal digits it has is: 14
• The sum of 21320164585168's digits is 52
• More coming soon!