168638233728397359

Names of 168638233728397359

• Cardinal: 168638233728397359 can be written as One hundred sixty-eight quadrillion, six hundred thirty-eight trillion, two hundred thirty-three billion, seven hundred twenty-eight million, three hundred ninety-seven thousand, three hundred fifty-nine.

Scientific notation

• Scientific notation: 1.68638233728397359 × 10¹⁷

Factors of 168638233728397359

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 62681

Divisors of 168638233728397359

• Number of divisors d(n): 128
• Complete list of divisors:
  1 3 29 31 87 93 127 381 899 1861 2697 3683 3937 4733 5583 11049 11811 14199 53969 55897 57691 114173 137257 146723 161907 167691 173073 236347 342519 411771 440169 601091 709041 1621013 1673039 1732807 1803273 4254967 4863039 5019117 5198421 6854063 7098919 7326757 8808113 12764901 17431639 18633821 20562189 21296757 21980271 26424339 50251403 52294917 55901463 104024317 150754209 205868651 212475953 220066489 255435277 264560501 273051503 312072951 540380809 617605953 637427859 660199467 766305831 793681503 819154509 1118630351 1621142427 3016705193 3224753827 3355891053 6381928181 7672254529 7918493587 8201375531 9050115579 9674261481 13211088259 19145784543 23016763587 23755480761 24604126593 32440280179 33599183627 34677540881 39633264777 93517860983 97320840537 100797550881 104032622643 237839890399 280553582949 383121559511 409543736029 492347092361 713519671197 974376325183 1005648685549 1041574692437 1149364678533 1228631208087 1477041277083 2923128975549 3016946056647 3124724077311 11876768344841 14278065678469 15262759863191 30205666080673 35630305034523 42834197035407 45788279589573 62528080729847 90616998242019 187584242189541 442620036032539 1327860108097617 1813314341165563 1938370502625257 5439943023496689 5815111507875771 56212744576132453 168638233728397359
• Sum of all divisors σ(n): 242183969726791680
• Sum of proper divisors (its aliquot sum) s(n): 73545735998394321
• 168638233728397359 is a deficient number, because the sum of its proper divisors (73545735998394321) is less than itself. Its deficiency is 95092497730003038

Bases of 168638233728397359

• Binary: 1001010111000111111001010010000000111011100011000000101111₂
• Hexadecimal: 0x2571F9480EE302F
• Base-36: 1A4H9J2JQ0J3

Squares and roots of 168638233728397359

• 168638233728397359 squared (168638233728397359²) is 28438853875033576617816006598174881
• 168638233728397359 cubed (168638233728397359³) is 4795878086745651232059980916573884510862430540539279
• The square root of 168638233728397359 is 410655858.0227455601
• The cube root of 168638233728397359 is 552482.6977140225

Scales and comparisons

• 168,638,233,728,397,359 seconds is equal to 5,362,174,200 years, 13 weeks, 2 days, 11 hours, 42 minutes, 39 seconds.
• To count from 1 to 168,638,233,728,397,359 would take you about sixteen billion, eighty-six million, five hundred twenty-two thousand, six hundred 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 168638233728397359 cubic inches would be around 46040.2 feet tall.

Recreational maths with 168638233728397359

• 168638233728397359 backwards is 953793827332836861
• 168638233728397359 is a Harshad number.
• The number of decimal digits it has is: 18
• The sum of 168638233728397359's digits is 93
• More coming soon!