20169582720

Names of 20169582720

• Cardinal: 20169582720 can be written as Twenty billion, one hundred sixty-nine million, five hundred eighty-two thousand, seven hundred twenty.

Scientific notation

• Scientific notation: 2.016958272 × 10¹⁰

Factors of 20169582720

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 1500730

Divisors of 20169582720

• Number of divisors d(n): 128
• Complete list of divisors:
  1 2 3 4 5 6 7 8 10 12 14 15 16 20 21 24 28 30 32 35 40 42 48 56 60 64 70 80 84 96 105 112 120 128 140 160 168 192 210 224 240 280 320 336 384 420 448 480 560 640 672 840 896 960 1120 1344 1680 1920 2240 2688 3360 4480 6720 13440 1500713 3001426 4502139 6002852 7503565 9004278 10504991 12005704 15007130 18008556 21009982 22510695 24011408 30014260 31514973 36017112 42019964 45021390 48022816 52524955 60028520 63029946 72034224 84039928 90042780 96045632 105049910 120057040 126059892 144068448 157574865 168079856 180085560 192091264 210099820 240114080 252119784 288136896 315149730 336159712 360171120 420199640 480228160 504239568 576273792 630299460 672319424 720342240 840399280 960456320 1008479136 1260598920 1344638848 1440684480 1680798560 2016958272 2521197840 2881368960 3361597120 4033916544 5042395680 6723194240 10084791360 20169582720
• Sum of all divisors σ(n): 73474957440
• Sum of proper divisors (its aliquot sum) s(n): 53305374720
• 20169582720 is an abundant number, because the sum of its proper divisors (53305374720) is greater than itself. Its abundance is 33135792000

Bases of 20169582720

• Binary: 10010110010001100110110100010000000₂
• Hexadecimal: 0x4B2336880
• Base-36: 99KG5MO

Squares and roots of 20169582720

• 20169582720 squared (20169582720²) is 406812067098922598400
• 20169582720 cubed (20169582720³) is 8205229638845909771306139648000
• The square root of 20169582720 is 142019.6561043577
• The cube root of 20169582720 is 2722.0680063117

Scales and comparisons

• 20,169,582,720 seconds is equal to 641 years, 17 weeks, 1 day, 5 hours, 52 minutes.
• To count from 1 to 20,169,582,720 would take you about one thousand, two hundred eighty-two 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 20169582720 cubic inches would be around 226.8 feet tall.

Recreational maths with 20169582720

• 20169582720 backwards is 02728596102
• 20169582720 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 20169582720's digits is 42
• More coming soon!