128448450

Names of 128448450

• Cardinal: 128448450 can be written as One hundred twenty-eight million, four hundred forty-eight thousand, four hundred fifty.

Scientific notation

• Scientific notation: 1.2844845 × 10⁸

Factors of 128448450

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 586

Divisors of 128448450

• Number of divisors d(n): 144
• Complete list of divisors:
  1 2 3 5 6 9 10 13 15 18 25 26 27 30 39 45 50 54 65 75 78 90 117 130 135 150 169 195 225 234 270 325 338 351 390 450 507 563 585 650 675 702 845 975 1014 1126 1170 1350 1521 1689 1690 1755 1950 2535 2815 2925 3042 3378 3510 4225 4563 5067 5070 5630 5850 7319 7605 8445 8450 8775 9126 10134 12675 14075 14638 15201 15210 16890 17550 21957 22815 25335 25350 28150 30402 36595 38025 42225 43914 45630 50670 65871 73190 76005 76050 84450 95147 109785 114075 126675 131742 152010 182975 190294 197613 219570 228150 253350 285441 329355 365950 380025 395226 475735 548925 570882 658710 760050 856323 951470 988065 1097850 1427205 1646775 1712646 1976130 2378675 2568969 2854410 3293550 4281615 4757350 4940325 5137938 7136025 8563230 9880650 12844845 14272050 21408075 25689690 42816150 64224225 128448450
• Sum of all divisors σ(n): 383948640
• Sum of proper divisors (its aliquot sum) s(n): 255500190
• 128448450 is an abundant number, because the sum of its proper divisors (255500190) is greater than itself. Its abundance is 127051740

Bases of 128448450

• Binary: 111101001111111011111000010₂
• Hexadecimal: 0x7A7F7C2
• Base-36: 24H3GI

Squares and roots of 128448450

• 128448450 squared (128448450²) is 16499004307402500
• 128448450 cubed (128448450³) is 2119271529829174651125000
• The square root of 128448450 is 11333.5100476419
• The cube root of 128448450 is 504.5562877015

Scales and comparisons

• 128,448,450 seconds is equal to 4 years, 4 weeks, 2 days, 16 hours, 7 minutes, 30 seconds.
• To count from 1 to 128,448,450 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 128448450 cubic inches would be around 42 feet tall.

Recreational maths with 128448450

• 128448450 backwards is 054844821
• The number of decimal digits it has is: 9
• The sum of 128448450's digits is 36
• More coming soon!