28930748

Names of 28930748

• Cardinal: 28930748 can be written as Twenty-eight million, nine hundred thirty thousand, seven hundred forty-eight.

Scientific notation

• Scientific notation: 2.8930748 × 10⁷

Factors of 28930748

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 169

Divisors of 28930748

• Number of divisors d(n): 96
• Complete list of divisors:
  1 2 4 7 11 14 22 28 29 41 44 58 77 79 82 116 154 158 164 203 287 308 316 319 406 451 553 574 638 812 869 902 1106 1148 1189 1276 1738 1804 2212 2233 2291 2378 3157 3239 3476 4466 4582 4756 6083 6314 6478 8323 8932 9164 12166 12628 12956 13079 16037 16646 22673 24332 25201 26158 32074 33292 35629 45346 50402 52316 64148 71258 90692 91553 93931 100804 142516 176407 183106 187862 249403 352814 366212 375724 498806 657517 705628 997612 1033241 1315034 2066482 2630068 4132964 7232687 14465374 28930748
• Sum of all divisors σ(n): 67737600
• Sum of proper divisors (its aliquot sum) s(n): 38806852
• 28930748 is an abundant number, because the sum of its proper divisors (38806852) is greater than itself. Its abundance is 9876104

Bases of 28930748

• Binary: 1101110010111001010111100₂
• Hexadecimal: 0x1B972BC
• Base-36: H833W

Squares and roots of 28930748

• 28930748 squared (28930748²) is 836988179839504
• 28930748 cubed (28930748³) is 24214694109915370668992
• The square root of 28930748 is 5378.7310771221
• The cube root of 28930748 is 306.9869312237

Scales and comparisons

• 28,930,748 seconds is equal to 47 weeks, 5 days, 20 hours, 19 minutes, 8 seconds.
• To count from 1 to 28,930,748 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 28930748 cubic inches would be around 25.6 feet tall.

Recreational maths with 28930748

• 28930748 backwards is 84703982
• 28930748 is a Harshad number.
• The number of decimal digits it has is: 8
• The sum of 28930748's digits is 41
• More coming soon!