145429235742

Names of 145429235742

• Cardinal: 145429235742 can be written as One hundred forty-five billion, four hundred twenty-nine million, two hundred thirty-five thousand, seven hundred forty-two.

Scientific notation

• Scientific notation: 1.45429235742 × 10¹¹

Factors of 145429235742

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 5
• Sum of prime factors: 203682432

Divisors of 145429235742

• Number of divisors d(n): 32
• Complete list of divisors:
  1 2 3 6 7 14 17 21 34 42 51 102 119 238 357 714 203682403 407364806 611047209 1222094418 1425776821 2851553642 3462600851 4277330463 6925201702 8554660926 10387802553 20775605106 24238205957 48476411914 72714617871 145429235742
• Sum of all divisors σ(n): 351963194112
• Sum of proper divisors (its aliquot sum) s(n): 206533958370
• 145429235742 is an abundant number, because the sum of its proper divisors (206533958370) is greater than itself. Its abundance is 61104722628

Bases of 145429235742

• Binary: 10000111011100010000100000100000011110₂
• Hexadecimal: 0x21DC42081E
• Base-36: 1UT4T8GU

Squares and roots of 145429235742

• 145429235742 squared (145429235742²) is 21149662608502210290564
• 145429235742 cubed (145429235742³) is 3075779269355630593874490274138488
• The square root of 145429235742 is 381351.8529416109
• The cube root of 145429235742 is 5258.7667373087

Scales and comparisons

• 145,429,235,742 seconds is equal to 4,624 years, 10 weeks, 2 days, 17 hours, 55 minutes, 42 seconds.
• To count from 1 to 145,429,235,742 would take you about nine thousand, two hundred forty-eight 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 145429235742 cubic inches would be around 438.2 feet tall.

Recreational maths with 145429235742

• 145429235742 backwards is 247532924541
• The number of decimal digits it has is: 12
• The sum of 145429235742's digits is 48
• More coming soon!