2728163680

Names of 2728163680

• Cardinal: 2728163680 can be written as Two billion, seven hundred twenty-eight million, one hundred sixty-three thousand, six hundred eighty.

Scientific notation

• Scientific notation: 2.72816368 × 10⁹

Factors of 2728163680

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 1662

Divisors of 2728163680

• Number of divisors d(n): 144
• Complete list of divisors:
  1 2 4 5 8 10 11 16 20 22 31 32 40 44 55 62 80 88 110 124 155 160 176 220 248 310 341 352 440 496 620 682 880 961 992 1240 1364 1613 1705 1760 1922 2480 2728 3226 3410 3844 4805 4960 5456 6452 6820 7688 8065 9610 10571 10912 12904 13640 15376 16130 17743 19220 21142 25808 27280 30752 32260 35486 38440 42284 50003 51616 52855 54560 64520 70972 76880 84568 88715 100006 105710 129040 141944 153760 169136 177430 200012 211420 250015 258080 283888 338272 354860 400024 422840 500030 550033 567776 709720 800048 845680 1000060 1100066 1419440 1550093 1600096 1691360 2000120 2200132 2750165 2838880 3100186 4000240 4400264 5500330 6200372 7750465 8000480 8800528 11000660 12400744 15500930 17051023 17601056 22001320 24801488 31001860 34102046 44002640 49602976 62003720 68204092 85255115 88005280 124007440 136408184 170510230 248014880 272816368 341020460 545632736 682040920 1364081840 2728163680
• Sum of all divisors σ(n): 7269856272
• Sum of proper divisors (its aliquot sum) s(n): 4541692592
• 2728163680 is an abundant number, because the sum of its proper divisors (4541692592) is greater than itself. Its abundance is 1813528912

Bases of 2728163680

• Binary: 10100010100111000111100101100000₂
• Hexadecimal: 0xA29C7960
• Base-36: 194A0KG

Squares and roots of 2728163680

• 2728163680 squared (2728163680²) is 7442877064871142400
• 2728163680 cubed (2728163680³) is 20305386883086454575788032000
• The square root of 2728163680 is 52231.8263130823
• The cube root of 2728163680 is 1397.3015504769

Scales and comparisons

• 2,728,163,680 seconds is equal to 86 years, 38 weeks, 5 days, 23 hours, 14 minutes, 40 seconds.
• To count from 1 to 2,728,163,680 would take you about one hundred seventy-three 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 2728163680 cubic inches would be around 116.4 feet tall.

Recreational maths with 2728163680

• 2728163680 backwards is 0863618272
• The number of decimal digits it has is: 10
• The sum of 2728163680's digits is 43
• More coming soon!