669808128

Names of 669808128

• Cardinal: 669808128 can be written as Six hundred sixty-nine million, eight hundred eight thousand, one hundred twenty-eight.

Scientific notation

• Scientific notation: 6.69808128 × 10⁸

Factors of 669808128

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 13
• Sum of prime factors: 1412

Divisors of 669808128

• Number of divisors d(n): 160
• Complete list of divisors:
  1 2 3 4 6 8 11 12 16 22 24 29 32 33 44 48 58 64 66 87 88 96 116 128 132 174 176 192 232 256 264 319 348 352 384 464 512 528 638 696 704 768 928 957 1056 1276 1367 1392 1408 1536 1856 1914 2112 2552 2734 2784 2816 3712 3828 4101 4224 5104 5468 5568 5632 7424 7656 8202 8448 10208 10936 11136 14848 15037 15312 16404 16896 20416 21872 22272 30074 30624 32808 39643 40832 43744 44544 45111 60148 61248 65616 79286 81664 87488 90222 118929 120296 122496 131232 158572 163328 174976 180444 237858 240592 244992 262464 317144 349952 360888 436073 475716 481184 489984 524928 634288 699904 721776 872146 951432 962368 1049856 1268576 1308219 1443552 1744292 1902864 1924736 2099712 2537152 2616438 2887104 3488584 3805728 3849472 5074304 5232876 5774208 6977168 7611456 7698944 10148608 10465752 11548416 13954336 15222912 20297216 20931504 23096832 27908672 30445824 41863008 55817344 60891648 83726016 111634688 167452032 223269376 334904064 669808128
• Sum of all divisors σ(n): 2015228160
• Sum of proper divisors (its aliquot sum) s(n): 1345420032
• 669808128 is an abundant number, because the sum of its proper divisors (1345420032) is greater than itself. Its abundance is 675611904

Bases of 669808128

• Binary: 100111111011000111011000000000₂
• Hexadecimal: 0x27EC7600
• Base-36: B2SB9C

Squares and roots of 669808128

• 669808128 squared (669808128²) is 448642928334864384
• 669808128 cubed (669808128³) is 300504679968413670180913152
• The square root of 669808128 is 25880.6516146715
• The cube root of 669808128 is 874.9504746935

Scales and comparisons

• 669,808,128 seconds is equal to 21 years, 15 weeks, 3 days, 9 hours, 48 minutes, 48 seconds.
• To count from 1 to 669,808,128 would take you about thirty-one 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 669808128 cubic inches would be around 72.9 feet tall.

Recreational maths with 669808128

• 669808128 backwards is 821808966
• 669808128 is a Harshad number.
• The number of decimal digits it has is: 9
• The sum of 669808128's digits is 48
• More coming soon!