28314720

Names of 28314720

• Cardinal: 28314720 can be written as Twenty-eight million, three hundred fourteen thousand, seven hundred twenty.

Scientific notation

• Scientific notation: 2.831472 × 10⁷

Factors of 28314720

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 70

Divisors of 28314720

• Number of divisors d(n): 216
• Complete list of divisors:
  1 2 3 4 5 6 7 8 9 10 12 14 15 16 18 20 21 24 28 30 32 35 36 40 42 45 48 53 56 60 63 70 72 80 84 90 96 105 106 112 120 126 140 144 159 160 168 180 210 212 224 240 252 265 280 288 315 318 336 360 371 420 424 477 480 504 530 560 630 636 672 720 742 795 840 848 954 1008 1060 1113 1120 1260 1272 1440 1484 1590 1680 1696 1855 1908 2016 2120 2226 2385 2520 2544 2809 2968 3180 3339 3360 3710 3816 4240 4452 4770 5040 5088 5565 5618 5936 6360 6678 7420 7632 8427 8480 8904 9540 10080 11130 11236 11872 12720 13356 14045 14840 15264 16695 16854 17808 19080 19663 22260 22472 25281 25440 26712 28090 29680 33390 33708 35616 38160 39326 42135 44520 44944 50562 53424 56180 58989 59360 66780 67416 76320 78652 84270 89040 89888 98315 101124 106848 112360 117978 126405 133560 134832 157304 168540 176967 178080 196630 202248 224720 235956 252810 267120 269664 294945 314608 337080 353934 393260 404496 449440 471912 505620 534240 589890 629216 674160 707868 786520 808992 884835 943824 1011240 1179780 1348320 1415736 1573040 1769670 1887648 2022480 2359560 2831472 3146080 3539340 4044960 4719120 5662944 7078680 9438240 14157360 28314720
• Sum of all divisors σ(n): 112550256
• Sum of proper divisors (its aliquot sum) s(n): 84235536
• 28314720 is an abundant number, because the sum of its proper divisors (84235536) is greater than itself. Its abundance is 55920816

Bases of 28314720

• Binary: 1101100000000110001100000₂
• Hexadecimal: 0x1B00C60
• Base-36: GUVS0

Squares and roots of 28314720

• 28314720 squared (28314720²) is 801723368678400
• 28314720 cubed (28314720³) is 22700572701585666048000
• The square root of 28314720 is 5321.1577687567
• The cube root of 28314720 is 304.7923696603

Scales and comparisons

• 28,314,720 seconds is equal to 46 weeks, 5 days, 17 hours, 12 minutes.
• To count from 1 to 28,314,720 would take you about eighteen 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 28314720 cubic inches would be around 25.4 feet tall.

Recreational maths with 28314720

• 28314720 backwards is 02741382
• The number of decimal digits it has is: 8
• The sum of 28314720's digits is 27
• More coming soon!