145481301138

Names of 145481301138

• Cardinal: 145481301138 can be written as One hundred forty-five billion, four hundred eighty-one million, three hundred one thousand, one hundred thirty-eight.

Scientific notation

• Scientific notation: 1.45481301138 × 10¹¹

Factors of 145481301138

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 6
• Sum of prime factors: 465370

Divisors of 145481301138

• Number of divisors d(n): 48
• Complete list of divisors:
  1 2 3 6 31 41 62 82 93 123 186 246 1271 1681 2542 3362 3813 5043 7626 10086 52111 104222 156333 312666 465293 930586 1395879 2791758 14424083 19077013 28848166 38154026 43272249 57231039 86544498 114462078 591387403 782157533 1182774806 1564315066 1774162209 2346472599 3548324418 4692945198 24246883523 48493767046 72740650569 145481301138
• Sum of all divisors σ(n): 307853399808
• Sum of proper divisors (its aliquot sum) s(n): 162372098670
• 145481301138 is an abundant number, because the sum of its proper divisors (162372098670) is greater than itself. Its abundance is 16890797532

Bases of 145481301138

• Binary: 10000111011111010111000111110010010010₂
• Hexadecimal: 0x21DF5C7C92
• Base-36: 1UTZT6DU

Squares and roots of 145481301138

• 145481301138 squared (145481301138²) is 21164808980805440095044
• 145481301138 cubed (145481301138³) is 3079083948864803092255715505360072
• The square root of 145481301138 is 381420.1110822557
• The cube root of 145481301138 is 5259.3942294431

Scales and comparisons

• 145,481,301,138 seconds is equal to 4,625 years, 44 weeks, 3 days, 8 hours, 32 minutes, 18 seconds.
• To count from 1 to 145,481,301,138 would take you about nine thousand, two hundred fifty-one 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 145481301138 cubic inches would be around 438.3 feet tall.

Recreational maths with 145481301138

• 145481301138 backwards is 831103184541
• The number of decimal digits it has is: 12
• The sum of 145481301138's digits is 39
• More coming soon!