8491433045721138

Names of 8491433045721138

• Cardinal: 8491433045721138 can be written as Eight quadrillion, four hundred ninety-one trillion, four hundred thirty-three billion, forty-five million, seven hundred twenty-one thousand, one hundred thirty-eight.

Scientific notation

• Scientific notation: 8.491433045721138 × 10¹⁵

Factors of 8491433045721138

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 118753

Divisors of 8491433045721138

• Number of divisors d(n): 90
• Complete list of divisors:
  1 2 3 6 9 18 27 54 61 81 122 162 183 366 549 1098 1647 3294 3721 4941 7442 9882 11163 22326 33489 66978 100467 118687 200934 237374 301401 356061 602802 712122 1068183 2136366 3204549 6409098 7239907 9613647 14479814 19227294 21719721 43439442 65159163 130318326 195477489 390954978 441634327 586432467 883268654 1172864934 1324902981 2649805962 3974708943 7949417886 11924126829 14086603969 23848253658 28173207938 35772380487 42259811907 71544760974 84519623814 126779435721 253558871442 380338307163 760676614326 859282842109 1141014921489 1718565684218 2282029842978 2577848526327 5155697052654 7733545578981 15467091157962 23200636736943 46401273473886 52416253368649 69601910210829 104832506737298 139203820421658 157248760105947 314497520211894 471746280317841 943492560635682 1415238840953523 2830477681907046 4245716522860569 8491433045721138
• Sum of all divisors σ(n): 19344296067549453
• Sum of proper divisors (its aliquot sum) s(n): 10852863021828315
• 8491433045721138 is an abundant number, because the sum of its proper divisors (10852863021828315) is greater than itself. Its abundance is 2361429976107177

Bases of 8491433045721138

• Binary: 11110001010101110100111010010010100110000000000110010₂
• Hexadecimal: 0x1E2AE9D2530032
• Base-36: 2BLYMHL494I

Squares and roots of 8491433045721138

• 8491433045721138 squared (8491433045721138²) is 72104435169964962111930460015044
• 8491433045721138 cubed (8491433045721138³) is 612269983545297918939017489761269126803308800072
• The square root of 8491433045721138 is 92148972.0274791671
• The cube root of 8491433045721138 is 204014.1686119087

Scales and comparisons

• 8,491,433,045,721,138 seconds is equal to 270,001,305 years, 6 weeks, 4 days, 5 hours, 12 minutes, 18 seconds.
• To count from 1 to 8,491,433,045,721,138 would take you about eight hundred ten million, three thousand, nine hundred fifteen 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 8491433045721138 cubic inches would be around 17001.2 feet tall.

Recreational maths with 8491433045721138

• 8491433045721138 backwards is 8311275403341948
• The number of decimal digits it has is: 16
• The sum of 8491433045721138's digits is 63
• More coming soon!