20998921600

Names of 20998921600

• Cardinal: 20998921600 can be written as Twenty billion, nine hundred ninety-eight million, nine hundred twenty-one thousand, six hundred.

Scientific notation

• Scientific notation: 2.09989216 × 10¹⁰

Factors of 20998921600

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 2684

Divisors of 20998921600

• Number of divisors d(n): 192
• Complete list of divisors:
  1 2 4 5 8 10 16 19 20 25 32 38 40 50 64 76 80 95 100 128 137 152 160 190 200 274 304 320 380 400 475 548 608 640 685 760 800 950 1096 1216 1370 1520 1600 1900 2192 2432 2521 2603 2740 3040 3200 3425 3800 4384 5042 5206 5480 6080 6850 7600 8768 10084 10412 10960 12160 12605 13015 13700 15200 17536 20168 20824 21920 25210 26030 27400 30400 40336 41648 43840 47899 50420 52060 54800 60800 63025 65075 80672 83296 87680 95798 100840 104120 109600 126050 130150 161344 166592 191596 201680 208240 219200 239495 252100 260300 322688 333184 345377 383192 403360 416480 438400 478990 504200 520600 690754 766384 806720 832960 957980 1008400 1041200 1197475 1381508 1532768 1613440 1665920 1726885 1915960 2016800 2082400 2394950 2763016 3065536 3453770 3831920 4033600 4164800 4789900 5526032 6131072 6562163 6907540 7663840 8067200 8329600 8634425 9579800 11052064 13124326 13815080 15327680 17268850 19159600 22104128 26248652 27630160 30655360 32810815 34537700 38319200 44208256 52497304 55260320 65621630 69075400 76638400 104994608 110520640 131243260 138150800 153276800 164054075 209989216 221041280 262486520 276301600 328108150 419978432 524973040 552603200 656216300 839956864 1049946080 1105206400 1312432600 2099892160 2624865200 4199784320 5249730400 10499460800 20998921600
• Sum of all divisors σ(n): 55024491600
• Sum of proper divisors (its aliquot sum) s(n): 34025570000
• 20998921600 is an abundant number, because the sum of its proper divisors (34025570000) is greater than itself. Its abundance is 13026648400

Bases of 20998921600

• Binary: 10011100011101000100001110110000000₂
• Hexadecimal: 0x4E3A21D80
• Base-36: 9NA7RLS

Squares and roots of 20998921600

• 20998921600 squared (20998921600²) is 440954708362946560000
• 20998921600 cubed (20998921600³) is 9259573350064379158429696000000
• The square root of 20998921600 is 144910.0465806287
• The cube root of 20998921600 is 2758.8769497977

Scales and comparisons

• 20,998,921,600 seconds is equal to 667 years, 36 weeks, 3 days, 1 hour, 46 minutes, 40 seconds.
• To count from 1 to 20,998,921,600 would take you about one thousand, three hundred thirty-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 20998921600 cubic inches would be around 229.9 feet tall.

Recreational maths with 20998921600

• 20998921600 backwards is 00612989902
• The number of decimal digits it has is: 11
• The sum of 20998921600's digits is 46
• More coming soon!