128825312

Names of 128825312

• Cardinal: 128825312 can be written as One hundred twenty-eight million, eight hundred twenty-five thousand, three hundred twelve.

Scientific notation

• Scientific notation: 1.28825312 × 10⁸

Factors of 128825312

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 117

Divisors of 128825312

• Number of divisors d(n): 144
• Complete list of divisors:
  1 2 4 7 8 11 14 16 22 28 32 44 49 56 77 88 97 98 112 121 154 176 194 196 224 242 308 343 352 388 392 484 539 616 679 686 776 784 847 968 1067 1078 1232 1358 1372 1552 1568 1694 1936 2134 2156 2464 2716 2744 3104 3388 3773 3872 4268 4312 4753 5432 5488 5929 6776 7469 7546 8536 8624 9506 10864 10976 11737 11858 13552 14938 15092 17072 17248 19012 21728 23474 23716 27104 29876 30184 33271 34144 38024 41503 46948 47432 52283 59752 60368 66542 76048 82159 83006 93896 94864 104566 119504 120736 133084 152096 164318 166012 187792 189728 209132 239008 266168 328636 332024 365981 375584 418264 532336 575113 657272 664048 731962 836528 1064672 1150226 1314544 1328096 1463924 1673056 2300452 2629088 2927848 4025791 4600904 5855696 8051582 9201808 11711392 16103164 18403616 32206328 64412656 128825312
• Sum of all divisors σ(n): 328456800
• Sum of proper divisors (its aliquot sum) s(n): 199631488
• 128825312 is an abundant number, because the sum of its proper divisors (199631488) is greater than itself. Its abundance is 70806176

Bases of 128825312

• Binary: 111101011011011011111100000₂
• Hexadecimal: 0x7ADB7E0
• Base-36: 24P68W

Squares and roots of 128825312

• 128825312 squared (128825312²) is 16595961011897344
• 128825312 cubed (128825312³) is 2137979855297511052771328
• The square root of 128825312 is 11350.1238759761
• The cube root of 128825312 is 505.0492544189

Scales and comparisons

• 128,825,312 seconds is equal to 4 years, 5 weeks, 48 minutes, 32 seconds.
• To count from 1 to 128,825,312 would take you about 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 128825312 cubic inches would be around 42.1 feet tall.

Recreational maths with 128825312

• 128825312 backwards is 213528821
• 128825312 is a Harshad number.
• The number of decimal digits it has is: 9
• The sum of 128825312's digits is 32
• More coming soon!