28133560

Names of 28133560

• Cardinal: 28133560 can be written as Twenty-eight million, one hundred thirty-three thousand, five hundred sixty.

Scientific notation

• Scientific notation: 2.813356 × 10⁷

Factors of 28133560

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 217

Divisors of 28133560

• Number of divisors d(n): 128
• Complete list of divisors:
  1 2 4 5 7 8 10 13 14 20 26 28 35 40 52 56 59 65 70 91 104 118 130 131 140 182 236 260 262 280 295 364 413 455 472 520 524 590 655 728 767 826 910 917 1048 1180 1310 1534 1652 1703 1820 1834 2065 2360 2620 3068 3304 3406 3640 3668 3835 4130 4585 5240 5369 6136 6812 7336 7670 7729 8260 8515 9170 10738 11921 13624 15340 15458 16520 17030 18340 21476 23842 26845 30680 30916 34060 36680 38645 42952 47684 53690 54103 59605 61832 68120 77290 95368 100477 107380 108206 119210 154580 200954 214760 216412 238420 270515 309160 401908 432824 476840 502385 541030 703339 803816 1004770 1082060 1406678 2009540 2164120 2813356 3516695 4019080 5626712 7033390 14066780 28133560
• Sum of all divisors σ(n): 79833600
• Sum of proper divisors (its aliquot sum) s(n): 51700040
• 28133560 is an abundant number, because the sum of its proper divisors (51700040) is greater than itself. Its abundance is 23566480

Bases of 28133560

• Binary: 1101011010100100010111000₂
• Hexadecimal: 0x1AD48B8
• Base-36: GQZZS

Squares and roots of 28133560

• 28133560 squared (28133560²) is 791497198273600
• 28133560 cubed (28133560³) is 22267633917462222016000
• The square root of 28133560 is 5304.1078420409
• The cube root of 28133560 is 304.1409491819

Scales and comparisons

• 28,133,560 seconds is equal to 46 weeks, 3 days, 14 hours, 52 minutes, 40 seconds.
• To count from 1 to 28,133,560 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 28133560 cubic inches would be around 25.3 feet tall.

Recreational maths with 28133560

• 28133560 backwards is 06533182
• 28133560 is a Harshad number.
• The number of decimal digits it has is: 8
• The sum of 28133560's digits is 28
• More coming soon!