128679133248

Names of 128679133248

• Cardinal: 128679133248 can be written as One hundred twenty-eight billion, six hundred seventy-nine million, one hundred thirty-three thousand, two hundred forty-eight.

Scientific notation

• Scientific notation: 1.28679133248 × 10¹¹

Factors of 128679133248

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 17297

Divisors of 128679133248

• Number of divisors d(n): 112
• Complete list of divisors:
  1 2 3 4 6 8 9 12 16 18 24 27 32 36 48 54 64 72 96 108 144 192 216 288 432 576 864 1728 8111 9181 16222 18362 24333 27543 32444 36724 48666 55086 64888 72999 73448 82629 97332 110172 129776 145998 146896 165258 194664 218997 220344 247887 259552 291996 293792 330516 389328 437994 440688 495774 519104 583992 587584 661032 778656 875988 881376 991548 1167984 1322064 1557312 1751976 1762752 1983096 2335968 2644128 3503952 3966192 4671936 5288256 7007904 7932384 14015808 15864768 74467091 148934182 223401273 297868364 446802546 595736728 670203819 893605092 1191473456 1340407638 1787210184 2010611457 2382946912 2680815276 3574420368 4021222914 4765893824 5361630552 7148840736 8042445828 10723261104 14297681472 16084891656 21446522208 32169783312 42893044416 64339566624 128679133248
• Sum of all divisors σ(n): 378380670720
• Sum of proper divisors (its aliquot sum) s(n): 249701537472
• 128679133248 is an abundant number, because the sum of its proper divisors (249701537472) is greater than itself. Its abundance is 121022404224

Bases of 128679133248

• Binary: 1110111110101110111111100000001000000₂
• Hexadecimal: 0x1DF5DFC040
• Base-36: 1N448EO0

Squares and roots of 128679133248

• 128679133248 squared (128679133248²) is 16558319333456539029504
• 128679133248 cubed (128679133248³) is 2130710179872788530194457819348992
• The square root of 128679133248 is 358718.7383563897
• The cube root of 128679133248 is 5048.5815478085

Scales and comparisons

• 128,679,133,248 seconds is equal to 4,091 years, 31 weeks, 19 hours, 40 minutes, 48 seconds.
• To count from 1 to 128,679,133,248 would take you about eight thousand, one hundred eighty-three 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 128679133248 cubic inches would be around 420.7 feet tall.

Recreational maths with 128679133248

• 128679133248 backwards is 842331976821
• 128679133248 is a Harshad number.
• The number of decimal digits it has is: 12
• The sum of 128679133248's digits is 54
• More coming soon!