27998985456

Names of 27998985456

• Cardinal: 27998985456 can be written as Twenty-seven billion, nine hundred ninety-eight million, nine hundred eighty-five thousand, four hundred fifty-six.

Scientific notation

• Scientific notation: 2.7998985456 × 10¹⁰

Factors of 27998985456

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 14956741

Divisors of 27998985456

• Number of divisors d(n): 60
• Complete list of divisors:
  1 2 3 4 6 8 9 12 13 16 18 24 26 36 39 48 52 72 78 104 117 144 156 208 234 312 468 624 936 1872 14956723 29913446 44870169 59826892 89740338 119653784 134610507 179480676 194437399 239307568 269221014 358961352 388874798 538442028 583312197 717922704 777749596 1076884056 1166624394 1555499192 1749936591 2153768112 2333248788 3110998384 3499873182 4666497576 6999746364 9332995152 13999492728 27998985456
• Sum of all divisors σ(n): 84385836808
• Sum of proper divisors (its aliquot sum) s(n): 56386851352
• 27998985456 is an abundant number, because the sum of its proper divisors (56386851352) is greater than itself. Its abundance is 28387865896

Bases of 27998985456

• Binary: 11010000100110111101001110011110000₂
• Hexadecimal: 0x684DE9CF0
• Base-36: CV1VFG0

Squares and roots of 27998985456

• 27998985456 squared (27998985456²) is 783943186565299527936
• 27998985456 cubed (27998985456³) is 21949613878972116076963729698816
• The square root of 27998985456 is 167328.9737493181
• The cube root of 27998985456 is 3036.5522958001

Scales and comparisons

• 27,998,985,456 seconds is equal to 890 years, 14 weeks, 4 days, 7 hours, 57 minutes, 36 seconds.
• To count from 1 to 27,998,985,456 would take you about one thousand, seven hundred eighty 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 27998985456 cubic inches would be around 253 feet tall.

Recreational maths with 27998985456

• 27998985456 backwards is 65458989972
• 27998985456 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 27998985456's digits is 72
• More coming soon!