145721226742

Names of 145721226742

• Cardinal: 145721226742 can be written as One hundred forty-five billion, seven hundred twenty-one million, two hundred twenty-six thousand, seven hundred forty-two.

Scientific notation

• Scientific notation: 1.45721226742 × 10¹¹

Factors of 145721226742

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 6
• Sum of prime factors: 29753

Divisors of 145721226742

• Number of divisors d(n): 64
• Complete list of divisors:
  1 2 7 13 14 26 41 82 91 182 287 533 574 673 1066 1346 3731 4711 7462 8749 9422 17498 27593 29017 55186 58034 61243 122486 193151 203119 358709 377221 386302 406238 717418 754442 1189697 2379394 2510963 2640547 5021926 5281094 8327879 15466061 16655758 19528441 30932122 39056882 108262427 136699087 216524854 253869733 273398174 507739466 800666081 1601332162 1777088131 3554176262 5604662567 10408659053 11209325134 20817318106 72860613371 145721226742
• Sum of all divisors σ(n): 276004358784
• Sum of proper divisors (its aliquot sum) s(n): 130283132042
• 145721226742 is a deficient number, because the sum of its proper divisors (130283132042) is less than itself. Its deficiency is 15438094700

Bases of 145721226742

• Binary: 10000111101101101010010111010111110110₂
• Hexadecimal: 0x21EDA975F6
• Base-36: 1UXYNM5Y

Squares and roots of 145721226742

• 145721226742 squared (145721226742²) is 21234675923193375934564
• 145721226742 cubed (145721226742³) is 3094343024996550111273046798910488
• The square root of 145721226742 is 381734.4977101231
• The cube root of 145721226742 is 5262.2838798199

Scales and comparisons

• 145,721,226,742 seconds is equal to 4,633 years, 25 weeks, 1 day, 6 hours, 32 minutes, 22 seconds.
• To count from 1 to 145,721,226,742 would take you about nine thousand, two hundred sixty-six 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 145721226742 cubic inches would be around 438.5 feet tall.

Recreational maths with 145721226742

• 145721226742 backwards is 247622127541
• The number of decimal digits it has is: 12
• The sum of 145721226742's digits is 43
• More coming soon!