28110720

Names of 28110720

• Cardinal: 28110720 can be written as Twenty-eight million, one hundred ten thousand, seven hundred twenty.

Scientific notation

• Scientific notation: 2.811072 × 10⁷

Factors of 28110720

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 13
• Sum of prime factors: 21

Divisors of 28110720

• Number of divisors d(n): 160
• Complete list of divisors:
  1 2 3 4 5 6 8 10 11 12 15 16 20 22 24 30 32 33 40 44 48 55 60 64 66 80 88 96 110 120 121 128 132 160 165 176 192 220 240 242 264 320 330 352 363 384 440 480 484 528 605 640 660 704 726 880 960 968 1056 1210 1320 1331 1408 1452 1760 1815 1920 1936 2112 2420 2640 2662 2904 3520 3630 3872 3993 4224 4840 5280 5324 5808 6655 7040 7260 7744 7986 9680 10560 10648 11616 13310 14520 14641 15488 15972 19360 19965 21120 21296 23232 26620 29040 29282 31944 38720 39930 42592 43923 46464 53240 58080 58564 63888 73205 77440 79860 85184 87846 106480 116160 117128 127776 146410 159720 170368 175692 212960 219615 232320 234256 255552 292820 319440 351384 425920 439230 468512 511104 585640 638880 702768 851840 878460 937024 1171280 1277760 1405536 1756920 1874048 2342560 2555520 2811072 3513840 4685120 5622144 7027680 9370240 14055360 28110720
• Sum of all divisors σ(n): 98562600
• Sum of proper divisors (its aliquot sum) s(n): 70451880
• 28110720 is an abundant number, because the sum of its proper divisors (70451880) is greater than itself. Its abundance is 42341160

Bases of 28110720

• Binary: 1101011001110111110000000₂
• Hexadecimal: 0x1ACEF80
• Base-36: GQIDC

Squares and roots of 28110720

• 28110720 squared (28110720²) is 790212578918400
• 28110720 cubed (28110720³) is 22213444546453045248000
• The square root of 28110720 is 5301.9543566499
• The cube root of 28110720 is 304.0586221205

Scales and comparisons

• 28,110,720 seconds is equal to 46 weeks, 3 days, 8 hours, 32 minutes.
• To count from 1 to 28,110,720 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 28110720 cubic inches would be around 25.3 feet tall.

Recreational maths with 28110720

• 28110720 backwards is 02701182
• The number of decimal digits it has is: 8
• The sum of 28110720's digits is 21
• More coming soon!