51920028

Names of 51920028

• Cardinal: 51920028 can be written as Fifty-one million, nine hundred twenty thousand and twenty-eight.

Scientific notation

• Scientific notation: 5.1920028 × 10⁷

Factors of 51920028

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 174

Divisors of 51920028

• Number of divisors d(n): 120
• Complete list of divisors:
  1 2 3 4 6 9 12 18 27 36 37 54 61 71 74 81 108 111 122 142 148 162 183 213 222 244 284 324 333 366 426 444 549 639 666 732 852 999 1098 1278 1332 1647 1917 1998 2196 2257 2556 2627 2997 3294 3834 3996 4331 4514 4941 5254 5751 5994 6588 6771 7668 7881 8662 9028 9882 10508 11502 11988 12993 13542 15762 17324 19764 20313 23004 23643 25986 27084 31524 38979 40626 47286 51972 60939 70929 77958 81252 94572 116937 121878 141858 155916 160247 182817 212787 233874 243756 283716 320494 350811 365634 425574 467748 480741 640988 701622 731268 851148 961482 1403244 1442223 1922964 2884446 4326669 5768892 8653338 12980007 17306676 25960014 51920028
• Sum of all divisors σ(n): 143678304
• Sum of proper divisors (its aliquot sum) s(n): 91758276
• 51920028 is an abundant number, because the sum of its proper divisors (91758276) is greater than itself. Its abundance is 39838248

Bases of 51920028

• Binary: 11000110000011110010011100₂
• Hexadecimal: 0x3183C9C
• Base-36: UWTR0

Squares and roots of 51920028

• 51920028 squared (51920028²) is 2695689307520784
• 51920028 cubed (51920028³) is 139960264325779715861952
• The square root of 51920028 is 7205.5553568063
• The cube root of 51920028 is 373.0596736723

Scales and comparisons

• 51,920,028 seconds is equal to 1 year, 33 weeks, 5 days, 22 hours, 13 minutes, 48 seconds.
• To count from 1 to 51,920,028 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 51920028 cubic inches would be around 31.1 feet tall.

Recreational maths with 51920028

• 51920028 backwards is 82002915
• 51920028 is a Harshad number.
• The number of decimal digits it has is: 8
• The sum of 51920028's digits is 27
• More coming soon!