21450986352

Names of 21450986352

• Cardinal: 21450986352 can be written as Twenty-one billion, four hundred fifty million, nine hundred eighty-six thousand, three hundred fifty-two.

Scientific notation

• Scientific notation: 2.1450986352 × 10¹⁰

Factors of 21450986352

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 4915

Divisors of 21450986352

• Number of divisors d(n): 120
• Complete list of divisors:
  1 2 3 4 6 8 9 12 16 18 24 27 36 48 54 72 81 108 144 162 216 243 324 432 486 648 972 1296 1741 1944 3169 3482 3888 5223 6338 6964 9507 10446 12676 13928 15669 19014 20892 25352 27856 28521 31338 38028 41784 47007 50704 57042 62676 76056 83568 85563 94014 114084 125352 141021 152112 171126 188028 228168 250704 256689 282042 342252 376056 423063 456336 513378 564084 684504 752112 770067 846126 1026756 1128168 1369008 1540134 1692252 2053512 2256336 3080268 3384504 4107024 5517229 6160536 6769008 11034458 12321072 16551687 22068916 33103374 44137832 49655061 66206748 88275664 99310122 132413496 148965183 198620244 264826992 297930366 397240488 446895549 595860732 794480976 893791098 1191721464 1340686647 1787582196 2383442928 2681373294 3575164392 5362746588 7150328784 10725493176 21450986352
• Sum of all divisors σ(n): 62311827760
• Sum of proper divisors (its aliquot sum) s(n): 40860841408
• 21450986352 is an abundant number, because the sum of its proper divisors (40860841408) is greater than itself. Its abundance is 19409855056

Bases of 21450986352

• Binary: 10011111110100101000001001101110000₂
• Hexadecimal: 0x4FE941370
• Base-36: 9URD300

Squares and roots of 21450986352

• 21450986352 squared (21450986352²) is 460144815473690267904
• 21450986352 cubed (21450986352³) is 9870560156669688351883927646208
• The square root of 21450986352 is 146461.5524702643
• The cube root of 21450986352 is 2778.5342562261

Scales and comparisons

• 21,450,986,352 seconds is equal to 682 years, 3 weeks, 6 days, 7 hours, 19 minutes, 12 seconds.
• To count from 1 to 21,450,986,352 would take you about one thousand, three hundred sixty-four 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 21450986352 cubic inches would be around 231.5 feet tall.

Recreational maths with 21450986352

• 21450986352 backwards is 25368905412
• The number of decimal digits it has is: 11
• The sum of 21450986352's digits is 45
• More coming soon!