56389905

Names of 56389905

• Cardinal: 56389905 can be written as Fifty-six million, three hundred eighty-nine thousand, nine hundred five.

Scientific notation

• Scientific notation: 5.6389905 × 10⁷

Factors of 56389905

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 182

Divisors of 56389905

• Number of divisors d(n): 128
• Complete list of divisors:
  1 3 5 9 11 13 15 23 27 33 39 45 55 65 69 99 115 117 127 135 143 165 195 207 253 297 299 345 351 381 429 495 585 621 635 715 759 897 1035 1143 1265 1287 1397 1485 1495 1651 1755 1905 2145 2277 2691 2921 3105 3289 3429 3795 3861 4191 4485 4953 5715 6435 6831 6985 8073 8255 8763 9867 11385 12573 13455 14605 14859 16445 17145 18161 19305 20955 24765 26289 29601 32131 34155 37719 37973 40365 43815 44577 49335 54483 62865 74295 78867 88803 90805 96393 113919 131445 148005 160655 163449 188595 189865 222885 272415 289179 341757 394335 417703 444015 481965 490347 569595 817245 867537 1025271 1253109 1445895 1708785 2088515 2451735 3759327 4337685 5126355 6265545 11277981 18796635 56389905
• Sum of all divisors σ(n): 123863040
• Sum of proper divisors (its aliquot sum) s(n): 67473135
• 56389905 is an abundant number, because the sum of its proper divisors (67473135) is greater than itself. Its abundance is 11083230

Bases of 56389905

• Binary: 11010111000111000100010001₂
• Hexadecimal: 0x35C7111
• Base-36: XKMQ9

Squares and roots of 56389905

• 56389905 squared (56389905²) is 3179821385909025
• 56389905 cubed (56389905³) is 179309825868378258392625
• The square root of 56389905 is 7509.3212076727
• The cube root of 56389905 is 383.4721140015

Scales and comparisons

• 56,389,905 seconds is equal to 1 year, 41 weeks, 1 day, 15 hours, 51 minutes, 45 seconds.
• To count from 1 to 56,389,905 would take you about 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 56389905 cubic inches would be around 32 feet tall.

Recreational maths with 56389905

• 56389905 backwards is 50998365
• 56389905 is a Harshad number.
• The number of decimal digits it has is: 8
• The sum of 56389905's digits is 45
• More coming soon!