128272157312

Names of 128272157312

• Cardinal: 128272157312 can be written as One hundred twenty-eight billion, two hundred seventy-two million, one hundred fifty-seven thousand, three hundred twelve.

Scientific notation

• Scientific notation: 1.28272157312 × 10¹¹

Factors of 128272157312

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 196

Divisors of 128272157312

• Number of divisors d(n): 96
• Complete list of divisors:
  1 2 4 8 13 16 26 32 52 64 104 128 169 181 208 338 362 416 676 724 832 1352 1448 1664 2353 2704 2896 4706 5408 5792 9412 10816 11584 18824 21632 23168 30589 32761 37648 61178 65522 75296 122356 131044 150592 244712 262088 301184 425893 489424 524176 851786 978848 1048352 1703572 1957696 2096704 3407144 3915392 4193408 5536609 5929741 6814288 11073218 11859482 13628576 22146436 23718964 27257152 44292872 47437928 54514304 77086633 88585744 94875856 154173266 177171488 189751712 308346532 354342976 379503424 616693064 708685952 759006848 1002126229 1233386128 2004252458 2466772256 4008504916 4933544512 8017009832 9867089024 16034019664 32068039328 64136078656 128272157312
• Sum of all divisors σ(n): 278248648860
• Sum of proper divisors (its aliquot sum) s(n): 149976491548
• 128272157312 is an abundant number, because the sum of its proper divisors (149976491548) is greater than itself. Its abundance is 21704334236

Bases of 128272157312

• Binary: 1110111011101100111011100101010000000₂
• Hexadecimal: 0x1DDD9DCA80
• Base-36: 1MXDXI0W

Squares and roots of 128272157312

• 128272157312 squared (128272157312²) is 16453746341474475065344
• 128272157312 cubed (128272157312³) is 2110557539085358335614427047395328
• The square root of 128272157312 is 358151.0258424509
• The cube root of 128272157312 is 5043.2535119471

Scales and comparisons

• 128,272,157,312 seconds is equal to 4,078 years, 34 weeks, 1 day, 10 hours, 48 minutes, 32 seconds.
• To count from 1 to 128,272,157,312 would take you about eight thousand, one hundred fifty-seven 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 128272157312 cubic inches would be around 420.3 feet tall.

Recreational maths with 128272157312

• 128272157312 backwards is 213751272821
• The number of decimal digits it has is: 12
• The sum of 128272157312's digits is 41
• More coming soon!