28068480

Names of 28068480

• Cardinal: 28068480 can be written as Twenty-eight million, sixty-eight thousand, four hundred eighty.

Scientific notation

• Scientific notation: 2.806848 × 10⁷

Factors of 28068480

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 464

Divisors of 28068480

• Number of divisors d(n): 192
• Complete list of divisors:
  1 2 3 4 5 6 8 9 10 11 12 15 16 18 20 22 24 30 32 33 36 40 44 45 48 55 60 64 66 72 80 88 90 96 99 110 120 128 132 144 160 165 176 180 192 198 220 240 264 288 320 330 352 360 384 396 440 443 480 495 528 576 640 660 704 720 792 880 886 960 990 1056 1152 1320 1329 1408 1440 1584 1760 1772 1920 1980 2112 2215 2640 2658 2880 3168 3520 3544 3960 3987 4224 4430 4873 5280 5316 5760 6336 6645 7040 7088 7920 7974 8860 9746 10560 10632 12672 13290 14176 14619 15840 15948 17720 19492 19935 21120 21264 24365 26580 28352 29238 31680 31896 35440 38984 39870 42528 43857 48730 53160 56704 58476 63360 63792 70880 73095 77968 79740 85056 87714 97460 106320 116952 127584 141760 146190 155936 159480 170112 175428 194920 212640 219285 233904 255168 283520 292380 311872 318960 350856 389840 425280 438570 467808 510336 584760 623744 637920 701712 779680 850560 877140 935616 1169520 1275840 1403424 1559360 1754280 1871232 2339040 2551680 2806848 3118720 3508560 4678080 5613696 7017120 9356160 14034240 28068480
• Sum of all divisors σ(n): 105973920
• Sum of proper divisors (its aliquot sum) s(n): 77905440
• 28068480 is an abundant number, because the sum of its proper divisors (77905440) is greater than itself. Its abundance is 49836960

Bases of 28068480

• Binary: 1101011000100101010000000₂
• Hexadecimal: 0x1AC4A80
• Base-36: GPLS0

Squares and roots of 28068480

• 28068480 squared (28068480²) is 787839569510400
• 28068480 cubed (28068480³) is 22113459200011272192000
• The square root of 28068480 is 5297.9694223353
• The cube root of 28068480 is 303.9062499465

Scales and comparisons

• 28,068,480 seconds is equal to 46 weeks, 2 days, 20 hours, 48 minutes.
• To count from 1 to 28,068,480 would take you about seventeen 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 28068480 cubic inches would be around 25.3 feet tall.

Recreational maths with 28068480

• 28068480 backwards is 08486082
• 28068480 is a Harshad number.
• The number of decimal digits it has is: 8
• The sum of 28068480's digits is 36
• More coming soon!