145231235968

Names of 145231235968

• Cardinal: 145231235968 can be written as One hundred forty-five billion, two hundred thirty-one million, two hundred thirty-five thousand, nine hundred sixty-eight.

Scientific notation

• Scientific notation: 1.45231235968 × 10¹¹

Factors of 145231235968

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 12468363

Divisors of 145231235968

• Number of divisors d(n): 64
• Complete list of divisors:
  1 2 4 7 8 13 14 16 26 28 32 52 56 64 91 104 112 128 182 208 224 364 416 448 728 832 896 1456 1664 2912 5824 11648 12468341 24936682 49873364 87278387 99746728 162088433 174556774 199493456 324176866 349113548 398986912 648353732 698227096 797973824 1134619031 1296707464 1396454192 1595947648 2269238062 2593414928 2792908384 4538476124 5186829856 5585816768 9076952248 10373659712 11171633536 18153904496 20747319424 36307808992 72615617984 145231235968
• Sum of all divisors σ(n): 356095847520
• Sum of proper divisors (its aliquot sum) s(n): 210864611552
• 145231235968 is an abundant number, because the sum of its proper divisors (210864611552) is greater than itself. Its abundance is 65633375584

Bases of 145231235968

• Binary: 10000111010000011101001100101110000000₂
• Hexadecimal: 0x21D074CB80
• Base-36: 1UPUXEV4

Squares and roots of 145231235968

• 145231235968 squared (145231235968²) is 21092111900792896897024
• 145231235968 cubed (145231235968³) is 3063233480527514215549987540959232
• The square root of 145231235968 is 381092.1620395781
• The cube root of 145231235968 is 5256.3790754335

Scales and comparisons

• 145,231,235,968 seconds is equal to 4,617 years, 47 weeks, 1 hour, 59 minutes, 28 seconds.
• To count from 1 to 145,231,235,968 would take you about nine thousand, two hundred thirty-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 145231235968 cubic inches would be around 438 feet tall.

Recreational maths with 145231235968

• 145231235968 backwards is 869532132541
• The number of decimal digits it has is: 12
• The sum of 145231235968's digits is 49
• More coming soon!