28408939328

Names of 28408939328

• Cardinal: 28408939328 can be written as Twenty-eight billion, four hundred eight million, nine hundred thirty-nine thousand, three hundred twenty-eight.

Scientific notation

• Scientific notation: 2.8408939328 × 10¹⁰

Factors of 28408939328

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 16
• Sum of prime factors: 20

Divisors of 28408939328

• Number of divisors d(n): 140
• Complete list of divisors:
  1 2 4 7 8 11 14 16 22 28 32 44 49 56 64 77 88 98 112 154 176 196 224 308 343 352 392 448 539 616 686 704 784 1078 1232 1372 1568 2156 2401 2464 2744 3136 3773 4312 4802 4928 5488 7546 8624 9604 10976 15092 16807 17248 19208 21952 26411 30184 33614 34496 38416 52822 60368 67228 76832 105644 117649 120736 134456 153664 184877 211288 235298 241472 268912 369754 422576 470596 537824 739508 823543 845152 941192 1075648 1294139 1479016 1647086 1690304 1882384 2588278 2958032 3294172 3764768 5176556 5764801 5916064 6588344 7529536 9058973 10353112 11529602 11832128 13176688 18117946 20706224 23059204 26353376 36235892 40353607 41412448 46118408 52706752 63412811 72471784 80707214 82824896 92236816 126825622 144943568 161414428 184473632 253651244 289887136 322828856 368947264 443889677 507302488 579774272 645657712 887779354 1014604976 1291315424 1775558708 2029209952 2582630848 3551117416 4058419904 7102234832 14204469664 28408939328
• Sum of all divisors σ(n): 71748712992
• Sum of proper divisors (its aliquot sum) s(n): 43339773664
• 28408939328 is an abundant number, because the sum of its proper divisors (43339773664) is greater than itself. Its abundance is 14930834336

Bases of 28408939328

• Binary: 11010011101010011100000001101000000₂
• Hexadecimal: 0x69D4E0340
• Base-36: D1TY5VK

Squares and roots of 28408939328

• 28408939328 squared (28408939328²) is 807067833741985091584
• 28408939328 cubed (28408939328³) is 22927941122356445673090379415552
• The square root of 28408939328 is 168549.5159530279
• The cube root of 28408939328 is 3051.3006842611

Scales and comparisons

• 28,408,939,328 seconds is equal to 903 years, 16 weeks, 3 days, 4 hours, 2 minutes, 8 seconds.
• To count from 1 to 28,408,939,328 would take you about one thousand, eight hundred 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 28408939328 cubic inches would be around 254.3 feet tall.

Recreational maths with 28408939328

• 28408939328 backwards is 82393980482
• 28408939328 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 28408939328's digits is 56
• More coming soon!