28069992

Names of 28069992

• Cardinal: 28069992 can be written as Twenty-eight million, sixty-nine thousand, nine hundred ninety-two.

Scientific notation

• Scientific notation: 2.8069992 × 10⁷

Factors of 28069992

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 112

Divisors of 28069992

• Number of divisors d(n): 144
• Complete list of divisors:
  1 2 3 4 6 8 9 12 17 18 19 24 34 36 38 51 57 68 71 72 76 102 114 136 142 152 153 171 204 213 228 284 289 306 323 342 408 426 456 568 578 612 639 646 684 852 867 969 1156 1207 1224 1278 1292 1349 1368 1704 1734 1938 2312 2414 2556 2584 2601 2698 2907 3468 3621 3876 4047 4828 5112 5202 5396 5491 5814 6936 7242 7752 8094 9656 10404 10792 10863 10982 11628 12141 14484 16188 16473 20519 20808 21726 21964 22933 23256 24282 28968 32376 32946 41038 43452 43928 45866 48564 49419 61557 65892 68799 82076 86904 91732 97128 98838 123114 131784 137598 164152 183464 184671 197676 206397 246228 275196 369342 389861 395352 412794 492456 550392 738684 779722 825588 1169583 1477368 1559444 1651176 2339166 3118888 3508749 4678332 7017498 9356664 14034996 28069992
• Sum of all divisors σ(n): 86205600
• Sum of proper divisors (its aliquot sum) s(n): 58135608
• 28069992 is an abundant number, because the sum of its proper divisors (58135608) is greater than itself. Its abundance is 30065616

Bases of 28069992

• Binary: 1101011000101000001101000₂
• Hexadecimal: 0x1AC5068
• Base-36: GPMY0

Squares and roots of 28069992

• 28069992 squared (28069992²) is 787924450880064
• 28069992 cubed (28069992³) is 22117033032807789439488
• The square root of 28069992 is 5298.1121165939
• The cube root of 28069992 is 303.9117068149

Scales and comparisons

• 28,069,992 seconds is equal to 46 weeks, 2 days, 21 hours, 13 minutes, 12 seconds.
• To count from 1 to 28,069,992 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 28069992 cubic inches would be around 25.3 feet tall.

Recreational maths with 28069992

• 28069992 backwards is 29996082
• The number of decimal digits it has is: 8
• The sum of 28069992's digits is 45
• More coming soon!