128001120

Names of 128001120

• Cardinal: 128001120 can be written as One hundred twenty-eight million, one thousand, one hundred twenty.

Scientific notation

• Scientific notation: 1.2800112 × 10⁸

Factors of 128001120

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 377

Divisors of 128001120

• Number of divisors d(n): 192
• Complete list of divisors:
  1 2 3 4 5 6 8 10 12 13 15 16 20 24 26 30 32 39 40 48 52 60 65 73 78 80 96 104 120 130 146 156 160 195 208 219 240 260 281 292 312 365 390 416 438 480 520 562 584 624 730 780 843 876 949 1040 1095 1124 1168 1248 1405 1460 1560 1686 1752 1898 2080 2190 2248 2336 2810 2847 2920 3120 3372 3504 3653 3796 4215 4380 4496 4745 5620 5694 5840 6240 6744 7008 7306 7592 8430 8760 8992 9490 10959 11240 11388 11680 13488 14235 14612 15184 16860 17520 18265 18980 20513 21918 22480 22776 26976 28470 29224 30368 33720 35040 36530 37960 41026 43836 44960 45552 54795 56940 58448 61539 67440 73060 75920 82052 87672 91104 102565 109590 113880 116896 123078 134880 146120 151840 164104 175344 205130 219180 227760 246156 266669 292240 307695 328208 350688 410260 438360 455520 492312 533338 584480 615390 656416 800007 820520 876720 984624 1066676 1230780 1333345 1600014 1641040 1753440 1969248 2133352 2461560 2666690 3200028 3282080 4000035 4266704 4923120 5333380 6400056 8000070 8533408 9846240 10666760 12800112 16000140 21333520 25600224 32000280 42667040 64000560 128001120
• Sum of all divisors σ(n): 441733824
• Sum of proper divisors (its aliquot sum) s(n): 313732704
• 128001120 is an abundant number, because the sum of its proper divisors (313732704) is greater than itself. Its abundance is 185731584

Bases of 128001120

• Binary: 111101000010010010001100000₂
• Hexadecimal: 0x7A12460
• Base-36: 247IAO

Squares and roots of 128001120

• 128001120 squared (128001120²) is 16384286721254400
• 128001120 cubed (128001120³) is 2097207050721691004928000
• The square root of 128001120 is 11313.7579963513
• The cube root of 128001120 is 503.9698898615

Scales and comparisons

• 128,001,120 seconds is equal to 4 years, 3 weeks, 4 days, 11 hours, 52 minutes.
• To count from 1 to 128,001,120 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 128001120 cubic inches would be around 42 feet tall.

Recreational maths with 128001120

• 128001120 backwards is 021100821
• 128001120 is a Harshad number.
• The number of decimal digits it has is: 9
• The sum of 128001120's digits is 15
• More coming soon!