28168800

Names of 28168800

• Cardinal: 28168800 can be written as Twenty-eight million, one hundred sixty-eight thousand, eight hundred.

Scientific notation

• Scientific notation: 2.81688 × 10⁷

Factors of 28168800

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 118

Divisors of 28168800

• Number of divisors d(n): 216
• Complete list of divisors:
  1 2 3 4 5 6 8 10 11 12 15 16 20 22 24 25 30 32 33 40 44 48 50 55 60 66 75 80 88 96 97 100 110 120 121 132 150 160 165 176 194 200 220 240 242 264 275 291 300 330 352 363 388 400 440 480 484 485 528 550 582 600 605 660 726 776 800 825 880 968 970 1056 1067 1100 1164 1200 1210 1320 1452 1455 1552 1650 1760 1815 1936 1940 2134 2200 2328 2400 2420 2425 2640 2904 2910 3025 3104 3201 3300 3630 3872 3880 4268 4400 4656 4840 4850 5280 5335 5808 5820 6050 6402 6600 7260 7275 7760 8536 8800 9075 9312 9680 9700 10670 11616 11640 11737 12100 12804 13200 14520 14550 15520 16005 17072 18150 19360 19400 21340 23280 23474 24200 25608 26400 26675 29040 29100 32010 34144 35211 36300 38800 42680 46560 46948 48400 51216 53350 58080 58200 58685 64020 70422 72600 77600 80025 85360 93896 96800 102432 106700 116400 117370 128040 140844 145200 160050 170720 176055 187792 213400 232800 234740 256080 281688 290400 293425 320100 352110 375584 426800 469480 512160 563376 586850 640200 704220 853600 880275 938960 1126752 1173700 1280400 1408440 1760550 1877920 2347400 2560800 2816880 3521100 4694800 5633760 7042200 9389600 14084400 28168800
• Sum of all divisors σ(n): 101821608
• Sum of proper divisors (its aliquot sum) s(n): 73652808
• 28168800 is an abundant number, because the sum of its proper divisors (73652808) is greater than itself. Its abundance is 45484008

Bases of 28168800

• Binary: 1101011011101001001100000₂
• Hexadecimal: 0x1ADD260
• Base-36: GRR6O

Squares and roots of 28168800

• 28168800 squared (28168800²) is 793481293440000
• 28168800 cubed (28168800³) is 22351415858652672000000
• The square root of 28168800 is 5307.4287559989
• The cube root of 28168800 is 304.2678848309

Scales and comparisons

• 28,168,800 seconds is equal to 46 weeks, 4 days, 40 minutes.
• To count from 1 to 28,168,800 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 28168800 cubic inches would be around 25.4 feet tall.

Recreational maths with 28168800

• 28168800 backwards is 00886182
• 28168800 is a Harshad number.
• The number of decimal digits it has is: 8
• The sum of 28168800's digits is 33
• More coming soon!