28882980

Names of 28882980

• Cardinal: 28882980 can be written as Twenty-eight million, eight hundred eighty-two thousand, nine hundred eighty.

Scientific notation

• Scientific notation: 2.888298 × 10⁷

Factors of 28882980

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 300

Divisors of 28882980

• Number of divisors d(n): 168
• Complete list of divisors:
  1 2 3 4 5 6 7 9 10 12 14 15 18 20 21 27 28 30 35 36 42 45 54 60 63 70 81 84 90 105 108 126 135 140 162 180 189 210 243 252 270 283 315 324 378 405 420 486 540 566 567 630 729 756 810 849 945 972 1132 1134 1215 1260 1415 1458 1620 1698 1701 1890 1981 2268 2430 2547 2830 2835 2916 3396 3402 3645 3780 3962 4245 4860 5094 5103 5660 5670 5943 6804 7290 7641 7924 8490 8505 9905 10188 10206 11340 11886 12735 14580 15282 16980 17010 17829 19810 20412 22923 23772 25470 25515 29715 30564 34020 35658 38205 39620 45846 50940 51030 53487 59430 68769 71316 76410 89145 91692 102060 106974 114615 118860 137538 152820 160461 178290 206307 213948 229230 267435 275076 320922 343845 356580 412614 458460 481383 534870 641844 687690 802305 825228 962766 1031535 1069740 1375380 1444149 1604610 1925532 2063070 2406915 2888298 3209220 4126140 4813830 5776596 7220745 9627660 14441490 28882980
• Sum of all divisors σ(n): 104298432
• Sum of proper divisors (its aliquot sum) s(n): 75415452
• 28882980 is an abundant number, because the sum of its proper divisors (75415452) is greater than itself. Its abundance is 46532472

Bases of 28882980

• Binary: 1101110001011100000100100₂
• Hexadecimal: 0x1B8B824
• Base-36: H7290

Squares and roots of 28882980

• 28882980 squared (28882980²) is 834226533680400
• 28882980 cubed (28882980³) is 24094948287760319592000
• The square root of 28882980 is 5374.2887901563
• The cube root of 28882980 is 306.8178812121

Scales and comparisons

• 28,882,980 seconds is equal to 47 weeks, 5 days, 7 hours, 3 minutes.
• To count from 1 to 28,882,980 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 28882980 cubic inches would be around 25.6 feet tall.

Recreational maths with 28882980

• 28882980 backwards is 08928882
• 28882980 is a Harshad number.
• The number of decimal digits it has is: 8
• The sum of 28882980's digits is 45
• More coming soon!