385807772

Names of 385807772

• Cardinal: 385807772 can be written as Three hundred eighty-five million, eight hundred seven thousand, seven hundred seventy-two.

Scientific notation

• Scientific notation: 3.85807772 × 10⁸

Factors of 385807772

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 280

Divisors of 385807772

• Number of divisors d(n): 96
• Complete list of divisors:
  1 2 4 7 14 28 31 47 49 62 94 98 124 188 193 196 217 329 343 386 434 658 686 772 868 1316 1351 1372 1457 1519 2303 2702 2914 3038 4606 5404 5828 5983 6076 9071 9212 9457 10199 10633 11966 16121 18142 18914 20398 21266 23932 32242 36284 37828 40796 41881 42532 63497 64484 66199 71393 83762 126994 132398 142786 167524 253988 264796 281201 285572 293167 444479 499751 562402 586334 888958 999502 1124804 1172668 1777916 1968407 1999004 2052169 3111353 3936814 4104338 6222706 7873628 8208676 12445412 13778849 27557698 55115396 96451943 192903886 385807772
• Sum of all divisors σ(n): 834355200
• Sum of proper divisors (its aliquot sum) s(n): 448547428
• 385807772 is an abundant number, because the sum of its proper divisors (448547428) is greater than itself. Its abundance is 62739656

Bases of 385807772

• Binary: 10110111111101111010110011100₂
• Hexadecimal: 0x16FEF59C
• Base-36: 6DP76K

Squares and roots of 385807772

• 385807772 squared (385807772²) is 148847636935603984
• 385807772 cubed (385807772³) is 57426575173590280541363648
• The square root of 385807772 is 19641.9900213803
• The cube root of 385807772 is 727.9870559827

Scales and comparisons

• 385,807,772 seconds is equal to 12 years, 13 weeks, 6 days, 8 hours, 49 minutes, 32 seconds.
• To count from 1 to 385,807,772 would take you about eighteen 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 385807772 cubic inches would be around 60.7 feet tall.

Recreational maths with 385807772

• 385807772 backwards is 277708583
• 385807772 is a Harshad number.
• The number of decimal digits it has is: 9
• The sum of 385807772's digits is 47
• More coming soon!