8120970

Names of 8120970

• Cardinal: 8120970 can be written as Eight million, one hundred twenty thousand, nine hundred seventy.

Scientific notation

• Scientific notation: 8.12097 × 10⁶

Factors of 8120970

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 665

Divisors of 8120970

• Number of divisors d(n): 96
• Complete list of divisors:
  1 2 3 5 6 9 10 11 13 15 18 22 26 30 33 39 45 55 65 66 78 90 99 110 117 130 143 165 195 198 234 286 330 390 429 495 585 631 715 858 990 1170 1262 1287 1430 1893 2145 2574 3155 3786 4290 5679 6310 6435 6941 8203 9465 11358 12870 13882 16406 18930 20823 24609 28395 34705 41015 41646 49218 56790 62469 69410 73827 82030 90233 104115 123045 124938 147654 180466 208230 246090 270699 312345 369135 451165 541398 624690 738270 812097 902330 1353495 1624194 2706990 4060485 8120970
• Sum of all divisors σ(n): 24845184
• Sum of proper divisors (its aliquot sum) s(n): 16724214
• 8120970 is an abundant number, because the sum of its proper divisors (16724214) is greater than itself. Its abundance is 8603244

Bases of 8120970

• Binary: 11110111110101010001010₂
• Hexadecimal: 0x7BEA8A
• Base-36: 4U26I

Squares and roots of 8120970

• 8120970 squared (8120970²) is 65950153740900
• 8120970 cubed (8120970³) is 535579220025236673000
• The square root of 8120970 is 2849.7315663059
• The cube root of 8120970 is 201.0030444329

Scales and comparisons

• 8,120,970 seconds is equal to 13 weeks, 2 days, 23 hours, 49 minutes, 30 seconds.
• To count from 1 to 8,120,970 would take you about twenty weeks!

  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 8120970 cubic inches would be around 16.8 feet tall.

Recreational maths with 8120970

• 8120970 backwards is 0790218
• The number of decimal digits it has is: 7
• The sum of 8120970's digits is 27
• More coming soon!