491494294211921

Names of 491494294211921

• Cardinal: 491494294211921 can be written as Four hundred ninety-one trillion, four hundred ninety-four billion, two hundred ninety-four million, two hundred eleven thousand, nine hundred twenty-one.

Scientific notation

• Scientific notation: 4.91494294211921 × 10¹⁴

Factors of 491494294211921

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 300041

Divisors of 491494294211921

• Number of divisors d(n): 108
• Complete list of divisors:
  1 7 11 13 77 91 107 121 143 169 749 847 1001 1177 1183 1391 1573 1859 8239 9737 11011 11449 12947 13013 15301 18083 20449 80143 90629 107107 125939 126581 143143 148837 168311 198913 299903 881573 1041859 1178177 1385329 1392391 1637207 1934881 2099321 2188043 3298933 3898739 9697303 11460449 13544167 15316301 18009277 21283691 23092531 27291173 32089621 36288263 42886129 50683607 126064939 148985837 224627347 234120601 254017841 300202903 352985831 354785249 417165073 471747419 557519677 1638844207 2470900817 2920155511 3302231933 3433589447 3882844141 3902637739 4588815803 5423145949 6132716447 24035126129 27179908987 32121710621 37769483917 37962021643 42929015129 44636662811 50476973833 59654605439 264386387419 312456639677 353338816831 415464323087 417582238073 491003290921 580276616543 656200659829 2908250261609 3437023036447 4061936315801 4593404618803 5401036200131 6383042781973 37807253400917 44681299473811 70213470601703 491494294211921
• Sum of all divisors σ(n): 674869947687936
• Sum of proper divisors (its aliquot sum) s(n): 183375653476015
• 491494294211921 is a deficient number, because the sum of its proper divisors (183375653476015) is less than itself. Its deficiency is 308118640735906

Bases of 491494294211921

• Binary: 1101111110000001011101110110100001100110101010001₂
• Hexadecimal: 0x1BF02EED0CD51
• Base-36: 4U7XD0RM8H

Squares and roots of 491494294211921

• 491494294211921 squared (491494294211921²) is 241566641242874360602458510241
• 491494294211921 cubed (491494294211921³) is 118728625842810860573837937528425674802782961
• The square root of 491494294211921 is 22169670.5932208427
• The cube root of 491494294211921 is 78917.4105749695

Scales and comparisons

• 491,494,294,211,921 seconds is equal to 15,627,998 years, 13 weeks, 5 days, 4 hours, 38 minutes, 41 seconds.
• To count from 1 to 491,494,294,211,921 would take you about thirty-nine million, sixty-nine thousand, nine hundred ninety-five 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 491494294211921 cubic inches would be around 6576.5 feet tall.

Recreational maths with 491494294211921

• 491494294211921 backwards is 129112492494194
• The number of decimal digits it has is: 15
• The sum of 491494294211921's digits is 62
• More coming soon!