9928429128

Names of 9928429128

• Cardinal: 9928429128 can be written as Nine billion, nine hundred twenty-eight million, four hundred twenty-nine thousand, one hundred twenty-eight.

Scientific notation

• Scientific notation: 9.928429128 × 10⁹

Factors of 9928429128

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 12296

Divisors of 9928429128

• Number of divisors d(n): 96
• Complete list of divisors:
  1 2 3 4 6 8 9 12 18 24 36 41 72 82 123 164 246 281 328 369 492 562 738 843 984 1124 1476 1686 2248 2529 2952 3372 5058 6744 10116 11521 11969 20232 23042 23938 34563 35907 46084 47876 69126 71814 92168 95752 103689 107721 138252 143628 207378 215442 276504 287256 414756 430884 490729 829512 861768 981458 1472187 1962916 2944374 3363289 3925832 4416561 5888748 6726578 8833122 10089867 11777496 13453156 17666244 20179734 26906312 30269601 35332488 40359468 60539202 80718936 121078404 137894849 242156808 275789698 413684547 551579396 827369094 1103158792 1241053641 1654738188 2482107282 3309476376 4964214564 9928429128
• Sum of all divisors σ(n): 27645672600
• Sum of proper divisors (its aliquot sum) s(n): 17717243472
• 9928429128 is an abundant number, because the sum of its proper divisors (17717243472) is greater than itself. Its abundance is 7788814344

Bases of 9928429128

• Binary: 1001001111110001111100111001001000₂
• Hexadecimal: 0x24FC7CE48
• Base-36: 4K74OY0

Squares and roots of 9928429128

• 9928429128 squared (9928429128²) is 98573704949718840384
• 9928429128 cubed (9928429128³) is 978682043477666310278888305152
• The square root of 9928429128 is 99641.5030396471
• The cube root of 9928429128 is 2149.2825533343

Scales and comparisons

• 9,928,429,128 seconds is equal to 315 years, 36 weeks, 8 hours, 58 minutes, 48 seconds.
• To count from 1 to 9,928,429,128 would take you about six hundred 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 9928429128 cubic inches would be around 179.1 feet tall.

Recreational maths with 9928429128

• 9928429128 backwards is 8219248299
• The number of decimal digits it has is: 10
• The sum of 9928429128's digits is 54
• More coming soon!