489142864906165161

Names of 489142864906165161

• Cardinal: 489142864906165161 can be written as Four hundred eighty-nine quadrillion, one hundred forty-two trillion, eight hundred sixty-four billion, nine hundred six million, one hundred sixty-five thousand, one hundred sixty-one.

Scientific notation

• Scientific notation: 4.89142864906165161 × 10¹⁷

Factors of 489142864906165161

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 48597826

Divisors of 489142864906165161

• Number of divisors d(n): 40
• Complete list of divisors:
  1 3 9 27 67 81 201 603 1809 5427 1931399 5794197 17382591 46666357 52147773 129403733 139999071 156443319 388211199 419997213 1164633597 1259991639 3126645919 3493900791 3779974917 9379937757 10481702373 28139813271 84419439813 253258319439 90131355243443 270394065730329 811182197190987 2433546591572961 6038800801310681 7300639774718883 18116402403932043 54349207211796129 163047621635388387 489142864906165161
• Sum of all divisors σ(n): 741601190805393600
• Sum of proper divisors (its aliquot sum) s(n): 252458325899228439
• 489142864906165161 is a deficient number, because the sum of its proper divisors (252458325899228439) is less than itself. Its deficiency is 236684539006936722

Bases of 489142864906165161

• Binary: 11011001001110010001101100000010011001001100001101110101001₂
• Hexadecimal: 0x6C9C8D813261BA9
• Base-36: 3PSAO9ZQM5K9

Squares and roots of 489142864906165161

• 489142864906165161 squared (489142864906165161²) is 239260742288610941038257507010155921
• 489142864906165161 cubed (489142864906165161³) is 117032684942626819338127052400741865283814312788068281
• The square root of 489142864906165161 is 699387492.6720988775
• The cube root of 489142864906165161 is 787913.5591631239

Scales and comparisons

• 489,142,864,906,165,161 seconds is equal to 15,553,230,085 years, 41 weeks, 1 day, 18 hours, 19 minutes, 21 seconds.
• To count from 1 to 489,142,864,906,165,161 would take you about forty-six billion, six hundred fifty-nine million, six hundred ninety thousand, two hundred fifty-seven 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 489142864906165161 cubic inches would be around 65659.5 feet tall.

Recreational maths with 489142864906165161

• 489142864906165161 backwards is 161561609468241984
• 489142864906165161 is a Harshad number.
• The number of decimal digits it has is: 18
• The sum of 489142864906165161's digits is 81
• More coming soon!