28009328464

Names of 28009328464

• Cardinal: 28009328464 can be written as Twenty-eight billion, nine million, three hundred twenty-eight thousand, four hundred sixty-four.

Scientific notation

• Scientific notation: 2.8009328464 × 10¹⁰

Factors of 28009328464

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 26799

Divisors of 28009328464

• Number of divisors d(n): 60
• Complete list of divisors:
  1 2 4 8 13 16 26 52 71 104 142 208 284 568 923 1136 1846 3692 5041 7384 10082 14768 20164 26713 40328 53426 65533 80656 106852 131066 213704 262132 347269 427408 524264 694538 1048528 1389076 1896623 2778152 3793246 5556304 7586492 15172984 24656099 30345968 49312198 98624396 134660233 197248792 269320466 394497584 538640932 1077281864 1750583029 2154563728 3501166058 7002332116 14004664232 28009328464
• Sum of all divisors σ(n): 59279487988
• Sum of proper divisors (its aliquot sum) s(n): 31270159524
• 28009328464 is an abundant number, because the sum of its proper divisors (31270159524) is greater than itself. Its abundance is 3260831060

Bases of 28009328464

• Binary: 11010000101011111000110111101010000₂
• Hexadecimal: 0x6857C6F50
• Base-36: CV8145S

Squares and roots of 28009328464

• 28009328464 squared (28009328464²) is 784522481004240599296
• 28009328464 cubed (28009328464³) is 21973947857839975522565871161344
• The square root of 28009328464 is 167359.8771032053
• The cube root of 28009328464 is 3036.9261571819

Scales and comparisons

• 28,009,328,464 seconds is equal to 890 years, 31 weeks, 5 days, 1 hour, 1 minute, 4 seconds.
• To count from 1 to 28,009,328,464 would take you about one thousand, seven hundred eighty-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 28009328464 cubic inches would be around 253.1 feet tall.

Recreational maths with 28009328464

• 28009328464 backwards is 46482390082
• The number of decimal digits it has is: 11
• The sum of 28009328464's digits is 46
• More coming soon!