28234142720

Names of 28234142720

• Cardinal: 28234142720 can be written as Twenty-eight billion, two hundred thirty-four million, one hundred forty-two thousand, seven hundred twenty.

Scientific notation

• Scientific notation: 2.823414272 × 10¹⁰

Factors of 28234142720

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 13
• Sum of prime factors: 787797

Divisors of 28234142720

• Number of divisors d(n): 88
• Complete list of divisors:
  1 2 4 5 7 8 10 14 16 20 28 32 35 40 56 64 70 80 112 128 140 160 224 256 280 320 448 512 560 640 896 1024 1120 1280 1792 2240 2560 3584 4480 5120 7168 8960 17920 35840 787783 1575566 3151132 3938915 5514481 6302264 7877830 11028962 12604528 15755660 22057924 25209056 27572405 31511320 44115848 50418112 55144810 63022640 88231696 100836224 110289620 126045280 176463392 201672448 220579240 252090560 352926784 403344896 441158480 504181120 705853568 806689792 882316960 1008362240 1411707136 1764633920 2016724480 2823414272 3529267840 4033448960 5646828544 7058535680 14117071360 28234142720
• Sum of all divisors σ(n): 77404504704
• Sum of proper divisors (its aliquot sum) s(n): 49170361984
• 28234142720 is an abundant number, because the sum of its proper divisors (49170361984) is greater than itself. Its abundance is 20936219264

Bases of 28234142720

• Binary: 11010010010111000101101010000000000₂
• Hexadecimal: 0x692E2D400
• Base-36: CYXVNY8

Squares and roots of 28234142720

• 28234142720 squared (28234142720²) is 797166815133328998400
• 28234142720 cubed (28234142720³) is 22507321630122266769540251648000
• The square root of 28234142720 is 168030.1839551453
• The cube root of 28234142720 is 3045.0297161601

Scales and comparisons

• 28,234,142,720 seconds is equal to 897 years, 39 weeks, 3 days, 1 hour, 25 minutes, 20 seconds.
• To count from 1 to 28,234,142,720 would take you about one thousand, seven hundred ninety-five years!

  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 28234142720 cubic inches would be around 253.8 feet tall.

Recreational maths with 28234142720

• 28234142720 backwards is 02724143282
• 28234142720 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 28234142720's digits is 35
• More coming soon!