28897560

Names of 28897560

• Cardinal: 28897560 can be written as Twenty-eight million, eight hundred ninety-seven thousand, five hundred sixty.

Scientific notation

• Scientific notation: 2.889756 × 10⁷

Factors of 28897560

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 1001

Divisors of 28897560

• Number of divisors d(n): 112
• Complete list of divisors:
  1 2 3 4 5 6 8 9 10 12 15 18 20 24 27 30 36 40 45 54 60 72 81 90 108 120 135 162 180 216 243 270 324 360 405 486 540 648 729 810 972 991 1080 1215 1458 1620 1944 1982 2430 2916 2973 3240 3645 3964 4860 4955 5832 5946 7290 7928 8919 9720 9910 11892 14580 14865 17838 19820 23784 26757 29160 29730 35676 39640 44595 53514 59460 71352 80271 89190 107028 118920 133785 160542 178380 214056 240813 267570 321084 356760 401355 481626 535140 642168 722439 802710 963252 1070280 1204065 1444878 1605420 1926504 2408130 2889756 3210840 3612195 4816260 5779512 7224390 9632520 14448780 28897560
• Sum of all divisors σ(n): 97583040
• Sum of proper divisors (its aliquot sum) s(n): 68685480
• 28897560 is an abundant number, because the sum of its proper divisors (68685480) is greater than itself. Its abundance is 39787920

Bases of 28897560

• Binary: 1101110001111000100011000₂
• Hexadecimal: 0x1B8F118
• Base-36: H7DI0

Squares and roots of 28897560

• 28897560 squared (28897560²) is 835068973953600
• 28897560 cubed (28897560³) is 24131455778962593216000
• The square root of 28897560 is 5375.6450775697
• The cube root of 28897560 is 306.8694992951

Scales and comparisons

• 28,897,560 seconds is equal to 47 weeks, 5 days, 11 hours, 6 minutes.
• To count from 1 to 28,897,560 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 28897560 cubic inches would be around 25.6 feet tall.

Recreational maths with 28897560

• 28897560 backwards is 06579882
• 28897560 is a Harshad number.
• The number of decimal digits it has is: 8
• The sum of 28897560's digits is 45
• More coming soon!