128218315827732

Names of 128218315827732

• Cardinal: 128218315827732 can be written as One hundred twenty-eight trillion, two hundred eighteen billion, three hundred fifteen million, eight hundred twenty-seven thousand, seven hundred thirty-two.

Scientific notation

• Scientific notation: 1.28218315827732 × 10¹⁴

Factors of 128218315827732

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 6
• Sum of prime factors: 22213845486

Divisors of 128218315827732

• Number of divisors d(n): 48
• Complete list of divisors:
  1 2 3 4 6 12 13 26 37 39 52 74 78 111 148 156 222 444 481 962 1443 1924 2886 5772 22213845431 44427690862 66641536293 88855381724 133283072586 266566145172 288779990603 577559981206 821912280947 866339971809 1155119962412 1643824561894 1732679943618 2465736842841 3287649123788 3465359887236 4931473685682 9862947371364 10684859652311 21369719304622 32054578956933 42739438609244 64109157913866 128218315827732
• Sum of all divisors σ(n): 330897441555072
• Sum of proper divisors (its aliquot sum) s(n): 202679125727340
• 128218315827732 is an abundant number, because the sum of its proper divisors (202679125727340) is greater than itself. Its abundance is 74460809899608

Bases of 128218315827732

• Binary: 11101001001110100100111001010110010101000010100₂
• Hexadecimal: 0x749D272B2A14
• Base-36: 19G6OIQTJO

Squares and roots of 128218315827732

• 128218315827732 squared (128218315827732²) is 16439936513700030308300263824
• 128218315827732 cubed (128218315827732³) is 2107900972101453831937143828718730535567168
• The square root of 128218315827732 is 11323352.6761172637
• The cube root of 128218315827732 is 50425.4778785461

Scales and comparisons

• 128,218,315,827,732 seconds is equal to 4,076,945 years, 43 weeks, 4 days, 1 hour, 2 minutes, 12 seconds.
• To count from 1 to 128,218,315,827,732 would take you about ten million, one hundred ninety-two thousand, three hundred sixty-four 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 128218315827732 cubic inches would be around 4202.1 feet tall.

Recreational maths with 128218315827732

• 128218315827732 backwards is 237728513812821
• The number of decimal digits it has is: 15
• The sum of 128218315827732's digits is 60
• More coming soon!