28920672

Names of 28920672

• Cardinal: 28920672 can be written as Twenty-eight million, nine hundred twenty thousand, six hundred seventy-two.

Scientific notation

• Scientific notation: 2.8920672 × 10⁷

Factors of 28920672

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 212

Divisors of 28920672

• Number of divisors d(n): 192
• Complete list of divisors:
  1 2 3 4 6 8 9 11 12 16 17 18 22 24 27 32 33 34 36 44 48 51 54 66 68 72 88 96 99 102 108 132 136 144 153 176 179 187 198 204 216 264 272 288 297 306 352 358 374 396 408 432 459 528 537 544 561 594 612 716 748 792 816 864 918 1056 1074 1122 1188 1224 1432 1496 1584 1611 1632 1683 1836 1969 2148 2244 2376 2448 2864 2992 3043 3168 3222 3366 3672 3938 4296 4488 4752 4833 4896 5049 5728 5907 5984 6086 6444 6732 7344 7876 8592 8976 9129 9504 9666 10098 11814 12172 12888 13464 14688 15752 17184 17721 17952 18258 19332 20196 23628 24344 25776 26928 27387 31504 33473 35442 36516 38664 40392 47256 48688 51552 53163 53856 54774 63008 66946 70884 73032 77328 80784 82161 94512 97376 100419 106326 109548 133892 141768 146064 154656 161568 164322 189024 200838 212652 219096 267784 283536 292128 301257 328644 401676 425304 438192 535568 567072 602514 657288 803352 850608 876384 903771 1071136 1205028 1314576 1606704 1701216 1807542 2410056 2629152 3213408 3615084 4820112 7230168 9640224 14460336 28920672
• Sum of all divisors σ(n): 97977600
• Sum of proper divisors (its aliquot sum) s(n): 69056928
• 28920672 is an abundant number, because the sum of its proper divisors (69056928) is greater than itself. Its abundance is 40136256

Bases of 28920672

• Binary: 1101110010100101101100000₂
• Hexadecimal: 0x1B94B60
• Base-36: H7VC0

Squares and roots of 28920672

• 28920672 squared (28920672²) is 836405268931584
• 28920672 cubed (28920672³) is 24189402441842131304448
• The square root of 28920672 is 5377.7943434089
• The cube root of 28920672 is 306.9512879525

Scales and comparisons

• 28,920,672 seconds is equal to 47 weeks, 5 days, 17 hours, 31 minutes, 12 seconds.
• To count from 1 to 28,920,672 would take you about nineteen 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 28920672 cubic inches would be around 25.6 feet tall.

Recreational maths with 28920672

• 28920672 backwards is 27602982
• 28920672 is a Harshad number.
• The number of decimal digits it has is: 8
• The sum of 28920672's digits is 36
• More coming soon!