28140672

Names of 28140672

• Cardinal: 28140672 can be written as Twenty-eight million, one hundred forty thousand, six hundred seventy-two.

Scientific notation

• Scientific notation: 2.8140672 × 10⁷

Factors of 28140672

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 60

Divisors of 28140672

• Number of divisors d(n): 192
• Complete list of divisors:
  1 2 3 4 6 7 8 12 14 16 19 21 24 28 29 32 38 42 48 56 57 58 64 76 84 87 96 112 114 116 128 133 152 168 174 192 203 224 228 232 266 304 336 348 361 384 399 406 448 456 464 532 551 608 609 672 696 722 798 812 896 912 928 1064 1083 1102 1216 1218 1344 1392 1444 1596 1624 1653 1824 1856 2128 2166 2204 2432 2436 2527 2688 2784 2888 3192 3248 3306 3648 3712 3857 4256 4332 4408 4872 5054 5568 5776 6384 6496 6612 7296 7581 7714 8512 8664 8816 9744 10108 10469 11136 11552 11571 12768 12992 13224 15162 15428 17024 17328 17632 19488 20216 20938 23104 23142 25536 25984 26448 30324 30856 31407 34656 35264 38976 40432 41876 46208 46284 51072 52896 60648 61712 62814 69312 70528 73283 77952 80864 83752 92568 105792 121296 123424 125628 138624 146566 161728 167504 185136 211584 219849 242592 246848 251256 293132 323456 335008 370272 439698 485184 493696 502512 586264 670016 740544 879396 970368 1005024 1172528 1340032 1481088 1758792 2010048 2345056 3517584 4020096 4690112 7035168 9380224 14070336 28140672
• Sum of all divisors σ(n): 93268800
• Sum of proper divisors (its aliquot sum) s(n): 65128128
• 28140672 is an abundant number, because the sum of its proper divisors (65128128) is greater than itself. Its abundance is 36987456

Bases of 28140672

• Binary: 1101011010110010010000000₂
• Hexadecimal: 0x1AD6480
• Base-36: GR5HC

Squares and roots of 28140672

• 28140672 squared (28140672²) is 791897420611584
• 28140672 cubed (28140672³) is 22284525571076624744448
• The square root of 28140672 is 5304.7782234509
• The cube root of 28140672 is 304.1665753757

Scales and comparisons

• 28,140,672 seconds is equal to 46 weeks, 3 days, 16 hours, 51 minutes, 12 seconds.
• To count from 1 to 28,140,672 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 28140672 cubic inches would be around 25.3 feet tall.

Recreational maths with 28140672

• 28140672 backwards is 27604182
• The number of decimal digits it has is: 8
• The sum of 28140672's digits is 30
• More coming soon!