28189287088

Names of 28189287088

• Cardinal: 28189287088 can be written as Twenty-eight billion, one hundred eighty-nine million, two hundred eighty-seven thousand and eighty-eight.

Scientific notation

• Scientific notation: 2.8189287088 × 10¹⁰

Factors of 28189287088

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 255

Divisors of 28189287088

• Number of divisors d(n): 90
• Complete list of divisors:
  1 2 4 8 16 37 43 74 86 148 172 173 296 344 346 592 688 692 1369 1384 1591 2738 2768 3182 5476 6364 6401 7439 10952 12728 12802 14878 21904 25456 25604 29756 29929 51208 58867 59512 59858 102416 117734 119024 119716 235468 236837 239432 275243 470936 473674 478864 550486 941872 947348 1100972 1107373 1286947 1894696 2201944 2214746 2573894 3789392 4403888 4429492 5147788 8858984 10183991 10295576 17717968 20367982 20591152 40735964 40972801 47617039 81471928 81945602 95234078 162943856 163891204 190468156 327782408 380936312 655564816 761872624 1761830443 3523660886 7047321772 14094643544 28189287088
• Sum of all divisors σ(n): 57772112244
• Sum of proper divisors (its aliquot sum) s(n): 29582825156
• 28189287088 is an abundant number, because the sum of its proper divisors (29582825156) is greater than itself. Its abundance is 1393538068

Bases of 28189287088

• Binary: 11010010000001101100110001010110000₂
• Hexadecimal: 0x6903662B0
• Base-36: CY7694G

Squares and roots of 28189287088

• 28189287088 squared (28189287088²) is 794635906529683519744
• 28189287088 cubed (28189287088³) is 22400219699598382531845932265472
• The square root of 28189287088 is 167896.6559762287
• The cube root of 28189287088 is 3043.4163134381

Scales and comparisons

• 28,189,287,088 seconds is equal to 896 years, 17 weeks, 1 day, 21 hours, 31 minutes, 28 seconds.
• To count from 1 to 28,189,287,088 would take you about one thousand, seven hundred ninety-two 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 28189287088 cubic inches would be around 253.6 feet tall.

Recreational maths with 28189287088

• 28189287088 backwards is 88078298182
• The number of decimal digits it has is: 11
• The sum of 28189287088's digits is 61
• More coming soon!