491981606551764

Names of 491981606551764

• Cardinal: 491981606551764 can be written as Four hundred ninety-one trillion, nine hundred eighty-one billion, six hundred six million, five hundred fifty-one thousand, seven hundred sixty-four.

Scientific notation

• Scientific notation: 4.91981606551764 × 10¹⁴

Factors of 491981606551764

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 7620

Divisors of 491981606551764

• Number of divisors d(n): 270
• Complete list of divisors:
  1 2 3 4 6 7 9 12 14 18 21 28 36 42 49 63 84 98 101 126 147 196 202 252 294 303 343 404 441 588 606 686 707 882 909 1029 1212 1372 1414 1764 1818 2058 2121 2401 2828 3087 3636 4116 4242 4802 4949 6174 6363 7203 7507 8484 9604 9898 12348 12726 14406 14847 15014 19796 21609 22521 25452 28812 29694 30028 34643 43218 44541 45042 52549 59388 67563 69286 86436 89082 90084 103929 105098 135126 138572 157647 178164 207858 210196 242501 270252 311787 315294 367843 415716 472941 485002 623574 630588 727503 735686 758207 945882 970004 1103529 1247148 1455006 1471372 1516414 1891764 2182509 2207058 2274621 2574901 2910012 3032828 3310587 4365018 4414116 4549242 5149802 5307449 6621174 6823863 7724703 8730036 9098484 10299604 10614898 13242348 13647726 15449406 15922347 18024307 21229796 23174109 27295452 30898812 31844694 36048614 37152143 46348218 47767041 54072921 56355049 63689388 72097228 74304286 92696436 95534082 108145842 111456429 112710098 148608572 162218763 169065147 191068164 216291684 222912858 225420196 260065001 324437526 334369287 338130294 394485343 445825716 507195441 520130002 648875052 668738574 676260588 780195003 788970686 1014390882 1040260004 1183456029 1337477148 1560390006 1577941372 1820455007 2028781764 2340585009 2366912058 2761397401 3120780012 3550368087 3640910014 4681170018 4733824116 5461365021 5522794802 5691859949 7100736174 7281820028 8284192203 9362340036 10922730042 11045589604 11383719898 14201472348 16384095063 16568384406 17075579847 19329781807 21845460084 22767439796 24852576609 32768190126 33136768812 34151159694 38659563614 39843019643 49705153218 51226739541 57989345421 65536380252 68302319388 77319127228 79686039286 99410306436 102453479082 115978690842 119529058929 135308472649 159372078572 173968036263 204906958164 231957381684 239058117858 270616945298 278901137501 347936072526 358587176787 405925417947 478116235716 541233890596 557802275002 695872145052 717174353574 811850835894 836703412503 1115604550004 1217776253841 1434348707148 1623701671788 1673406825006 1952307962507 2435552507682 2510110237509 3346813650012 3904615925014 4871105015364 5020220475018 5856923887521 7809231850028 10040440950036 11713847775042 13666155737549 17570771662563 23427695550084 27332311475098 35141543325126 40998467212647 54664622950196 70283086650252 81996934425294 122995401637941 163993868850588 245990803275882 491981606551764
• Sum of all divisors σ(n): 1465363468661274
• Sum of proper divisors (its aliquot sum) s(n): 973381862109510
• 491981606551764 is an abundant number, because the sum of its proper divisors (973381862109510) is greater than itself. Its abundance is 481400255557746

Bases of 491981606551764

• Binary: 1101111110111010001100100111001010000000011010100₂
• Hexadecimal: 0x1BF7464E500D4
• Base-36: 4UE589YA50

Squares and roots of 491981606551764

• 491981606551764 squared (491981606551764²) is 242045901185254714010411511696
• 491981606551764 cubed (491981606551764³) is 119082131324391132339493838266326561115431744
• The square root of 491981606551764 is 22180658.3885998299
• The cube root of 491981606551764 is 78943.4839362691

Scales and comparisons

• 491,981,606,551,764 seconds is equal to 15,643,493 years, 15 weeks, 7 hours, 29 minutes, 24 seconds.
• To count from 1 to 491,981,606,551,764 would take you about thirty-nine million, one hundred eight thousand, seven hundred thirty-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 491981606551764 cubic inches would be around 6578.6 feet tall.

Recreational maths with 491981606551764

• 491981606551764 backwards is 467155606189194
• The number of decimal digits it has is: 15
• The sum of 491981606551764's digits is 72
• More coming soon!