21617864423172

Names of 21617864423172

• Cardinal: 21617864423172 can be written as Twenty-one trillion, six hundred seventeen billion, eight hundred sixty-four million, four hundred twenty-three thousand, one hundred seventy-two.

Scientific notation

• Scientific notation: 2.1617864423172 × 10¹³

Factors of 21617864423172

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 7045

Divisors of 21617864423172

• Number of divisors d(n): 216
• Complete list of divisors:
  1 2 3 4 6 9 12 17 18 34 36 51 61 68 102 122 153 183 204 244 306 366 549 612 732 1037 1098 1861 2074 2196 3111 3721 3722 4148 5101 5583 6222 7442 7444 9333 10202 11163 11166 12444 14884 15303 16749 18666 20404 22326 22332 30606 31637 33489 33498 37332 44652 45909 61212 63257 63274 66978 66996 86717 91818 94911 113521 126514 126548 133956 173434 183636 189771 189822 227042 253028 260151 284733 311161 340563 346868 379542 379644 454084 520302 569313 569466 622322 681126 759084 780453 933483 1021689 1040604 1138626 1138932 1244644 1362252 1560906 1866966 1929857 2043378 2277252 2800449 3121812 3733932 3859714 4086756 5289737 5600898 5789571 6924781 7719428 9492961 10579474 11201796 11579142 13849562 15869211 17368713 18980821 18985922 20774343 21158948 23158284 27699124 28478883 31738422 34737426 37961642 37971844 41548686 47607633 56942463 56957766 62323029 63476844 69474852 75923284 83097372 85436649 95215266 113884926 113915532 117721277 124646058 161380337 170827389 170873298 190430532 227769852 235442554 249292116 322673957 322760674 341654778 341746596 353163831 470885108 484141011 579070621 645347914 645521348 683309556 706327662 968021871 968282022 1059491493 1158141242 1290695828 1412655324 1452423033 1737211863 1936043742 1936564044 2118982986 2316282484 2904065613 2904846066 3474423726 3872087484 4237965972 5211635589 5808131226 5809692132 6948847452 9844200557 10423271178 11616262452 19688401114 20846542356 29532601671 35323307881 39376802228 59065203342 70646615762 88597805013 105969923643 118130406684 141293231524 177195610026 211939847286 317909770929 354391220052 423879694572 600496233977 635819541858 1200992467954 1271639083716 1801488701931 2401984935908 3602977403862 5404466105793 7205954807724 10808932211586 21617864423172
• Sum of all divisors σ(n): 58866792061896
• Sum of proper divisors (its aliquot sum) s(n): 37248927638724
• 21617864423172 is an abundant number, because the sum of its proper divisors (37248927638724) is greater than itself. Its abundance is 15631063215552

Bases of 21617864423172

• Binary: 100111010100101001101001000010011011100000100₂
• Hexadecimal: 0x13A94D213704
• Base-36: 7NV3YBJT0

Squares and roots of 21617864423172

• 21617864423172 squared (21617864423172²) is 467332062218645668290541584
• 21617864423172 cubed (21617864423172³) is 10102721161644063754482765191101639184448
• The square root of 21617864423172 is 4649501.5241606277
• The cube root of 21617864423172 is 27857.2085996357

Scales and comparisons

• 21,617,864,423,172 seconds is equal to 687,381 years, 11 weeks, 3 days, 3 hours, 46 minutes, 12 seconds.
• To count from 1 to 21,617,864,423,172 would take you about one million, seven hundred eighteen thousand, four hundred fifty-three 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 21617864423172 cubic inches would be around 2321.4 feet tall.

Recreational maths with 21617864423172

• 21617864423172 backwards is 27132446871612
• The number of decimal digits it has is: 14
• The sum of 21617864423172's digits is 54
• More coming soon!