28069680

Names of 28069680

• Cardinal: 28069680 can be written as Twenty-eight million, sixty-nine thousand, six hundred eighty.

Scientific notation

• Scientific notation: 2.806968 × 10⁷

Factors of 28069680

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 185

Divisors of 28069680

• Number of divisors d(n): 160
• Complete list of divisors:
  1 2 3 4 5 6 8 10 12 15 16 20 24 29 30 37 40 48 58 60 74 80 87 109 111 116 120 145 148 174 185 218 222 232 240 290 296 327 348 370 435 436 444 464 545 555 580 592 654 696 740 870 872 888 1073 1090 1110 1160 1308 1392 1480 1635 1740 1744 1776 2146 2180 2220 2320 2616 2960 3161 3219 3270 3480 4033 4292 4360 4440 5232 5365 6322 6438 6540 6960 8066 8584 8720 8880 9483 10730 12099 12644 12876 13080 15805 16095 16132 17168 18966 20165 21460 24198 25288 25752 26160 31610 32190 32264 37932 40330 42920 47415 48396 50576 51504 60495 63220 64380 64528 75864 80660 85840 94830 96792 116957 120990 126440 128760 151728 161320 189660 193584 233914 241980 252880 257520 322640 350871 379320 467828 483960 584785 701742 758640 935656 967920 1169570 1403484 1754355 1871312 2339140 2806968 3508710 4678280 5613936 7017420 9356560 14034840 28069680
• Sum of all divisors σ(n): 93297600
• Sum of proper divisors (its aliquot sum) s(n): 65227920
• 28069680 is an abundant number, because the sum of its proper divisors (65227920) is greater than itself. Its abundance is 37158240

Bases of 28069680

• Binary: 1101011000100111100110000₂
• Hexadecimal: 0x1AC4F30
• Base-36: GPMPC

Squares and roots of 28069680

• 28069680 squared (28069680²) is 787906935302400
• 28069680 cubed (28069680³) is 22116295543719071232000
• The square root of 28069680 is 5298.0826720617
• The cube root of 28069680 is 303.9105808105

Scales and comparisons

• 28,069,680 seconds is equal to 46 weeks, 2 days, 21 hours, 8 minutes.
• To count from 1 to 28,069,680 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 28069680 cubic inches would be around 25.3 feet tall.

Recreational maths with 28069680

• 28069680 backwards is 08696082
• The number of decimal digits it has is: 8
• The sum of 28069680's digits is 39
• More coming soon!