28033740

Names of 28033740

• Cardinal: 28033740 can be written as Twenty-eight million, thirty-three thousand, seven hundred forty.

Scientific notation

• Scientific notation: 2.803374 × 10⁷

Factors of 28033740

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 1207

Divisors of 28033740

• Number of divisors d(n): 144
• Complete list of divisors:
  1 2 3 4 5 6 7 9 10 12 14 15 18 19 20 21 28 30 35 36 38 42 45 57 60 63 70 76 84 90 95 105 114 126 133 140 171 180 190 210 228 252 266 285 315 342 380 399 420 532 570 630 665 684 798 855 1140 1171 1197 1260 1330 1596 1710 1995 2342 2394 2660 3420 3513 3990 4684 4788 5855 5985 7026 7980 8197 10539 11710 11970 14052 16394 17565 21078 22249 23420 23940 24591 32788 35130 40985 42156 44498 49182 52695 66747 70260 73773 81970 88996 98364 105390 111245 122955 133494 147546 155743 163940 200241 210780 222490 245910 266988 295092 311486 333735 368865 400482 444980 467229 491820 622972 667470 737730 778715 800964 934458 1001205 1334940 1401687 1475460 1557430 1868916 2002410 2336145 2803374 3114860 4004820 4672290 5606748 7008435 9344580 14016870 28033740
• Sum of all divisors σ(n): 102385920
• Sum of proper divisors (its aliquot sum) s(n): 74352180
• 28033740 is an abundant number, because the sum of its proper divisors (74352180) is greater than itself. Its abundance is 46318440

Bases of 28033740

• Binary: 1101010111100001011001100₂
• Hexadecimal: 0x1ABC2CC
• Base-36: GOUZ0

Squares and roots of 28033740

• 28033740 squared (28033740²) is 785890578387600
• 28033740 cubed (28033740³) is 22031452142967597624000
• The square root of 28033740 is 5294.6897926129
• The cube root of 28033740 is 303.7808178863

Scales and comparisons

• 28,033,740 seconds is equal to 46 weeks, 2 days, 11 hours, 9 minutes.
• To count from 1 to 28,033,740 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 28033740 cubic inches would be around 25.3 feet tall.

Recreational maths with 28033740

• 28033740 backwards is 04733082
• The number of decimal digits it has is: 8
• The sum of 28033740's digits is 27
• More coming soon!