28990080

Names of 28990080

• Cardinal: 28990080 can be written as Twenty-eight million, nine hundred ninety thousand and eighty.

Scientific notation

• Scientific notation: 2.899008 × 10⁷

Factors of 28990080

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 736

Divisors of 28990080

• Number of divisors d(n): 192
• Complete list of divisors:
  1 2 3 4 5 6 7 8 9 10 12 14 15 16 18 20 21 24 28 30 32 35 36 40 42 45 48 56 60 63 64 70 72 80 84 90 96 105 112 120 126 128 140 144 160 168 180 192 210 224 240 252 280 288 315 320 336 360 384 420 448 480 504 560 576 630 640 672 719 720 840 896 960 1008 1120 1152 1260 1344 1438 1440 1680 1920 2016 2157 2240 2520 2688 2876 2880 3360 3595 4032 4314 4480 5033 5040 5752 5760 6471 6720 7190 8064 8628 10066 10080 10785 11504 12942 13440 14380 15099 17256 20132 20160 21570 23008 25165 25884 28760 30198 32355 34512 40264 40320 43140 45297 46016 50330 51768 57520 60396 64710 69024 75495 80528 86280 90594 92032 100660 103536 115040 120792 129420 138048 150990 161056 172560 181188 201320 207072 226485 230080 241584 258840 276096 301980 322112 345120 362376 402640 414144 452970 460160 483168 517680 603960 644224 690240 724752 805280 828288 905940 966336 1035360 1207920 1380480 1449504 1610560 1811880 1932672 2070720 2415840 2899008 3221120 3623760 4141440 4831680 5798016 7247520 9663360 14495040 28990080
• Sum of all divisors σ(n): 114566400
• Sum of proper divisors (its aliquot sum) s(n): 85576320
• 28990080 is an abundant number, because the sum of its proper divisors (85576320) is greater than itself. Its abundance is 56586240

Bases of 28990080

• Binary: 1101110100101101010000000₂
• Hexadecimal: 0x1BA5A80
• Base-36: H9CW0

Squares and roots of 28990080

• 28990080 squared (28990080²) is 840424738406400
• 28990080 cubed (28990080³) is 24363980400380608512000
• The square root of 28990080 is 5384.2436794781
• The cube root of 28990080 is 307.1966470989

Scales and comparisons

• 28,990,080 seconds is equal to 47 weeks, 6 days, 12 hours, 48 minutes.
• To count from 1 to 28,990,080 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 28990080 cubic inches would be around 25.6 feet tall.

Recreational maths with 28990080

• 28990080 backwards is 08009982
• 28990080 is a Harshad number.
• The number of decimal digits it has is: 8
• The sum of 28990080's digits is 36
• More coming soon!