21040979000

Names of 21040979000

• Cardinal: 21040979000 can be written as Twenty-one billion, forty million, nine hundred seventy-nine thousand.

Scientific notation

• Scientific notation: 2.1040979 × 10¹⁰

Factors of 21040979000

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 360

Divisors of 21040979000

• Number of divisors d(n): 192
• Complete list of divisors:
  1 2 4 5 8 10 20 25 29 40 50 58 100 116 125 127 145 197 200 232 250 254 290 394 500 508 580 635 725 788 841 985 1000 1016 1160 1270 1450 1576 1682 1970 2540 2900 3175 3364 3625 3683 3940 4205 4925 5080 5713 5800 6350 6728 7250 7366 7880 8410 9850 11426 12700 14500 14732 15875 16820 18415 19700 21025 22852 24625 25019 25400 28565 29000 29464 31750 33640 36830 39400 42050 45704 49250 50038 57130 63500 73660 84100 92075 98500 100076 105125 106807 114260 125095 127000 142825 147320 165677 168200 184150 197000 200152 210250 213614 228520 250190 285650 331354 368300 420500 427228 460375 500380 534035 571300 625475 662708 714125 725551 736600 828385 841000 854456 920750 1000760 1068070 1142600 1250950 1325416 1428250 1451102 1656770 1841500 2136140 2501900 2670175 2856500 2902204 3127375 3313540 3627755 3683000 4141925 4272280 5003800 5340350 5713000 5804408 6254750 6627080 7255510 8283850 10680700 12509500 13350875 14511020 16567700 18138775 20709625 21040979 21361400 25019000 26701750 29022040 33135400 36277550 41419250 42081958 53403500 72555100 82838500 84163916 90693875 105204895 106807000 145110200 165677000 168327832 181387750 210409790 362775500 420819580 526024475 725551000 841639160 1052048950 2104097900 2630122375 4208195800 5260244750 10520489500 21040979000
• Sum of all divisors σ(n): 51654620160
• Sum of proper divisors (its aliquot sum) s(n): 30613641160
• 21040979000 is an abundant number, because the sum of its proper divisors (30613641160) is greater than itself. Its abundance is 9572662160

Bases of 21040979000

• Binary: 10011100110001000111101110000111000₂
• Hexadecimal: 0x4E623DC38
• Base-36: 9NZ97AW

Squares and roots of 21040979000

• 21040979000 squared (21040979000²) is 442722797278441000000
• 21040979000 cubed (21040979000³) is 9315321080356934233739000000000
• The square root of 21040979000 is 145055.0895349763
• The cube root of 21040979000 is 2760.7175810435

Scales and comparisons

• 21,040,979,000 seconds is equal to 669 years, 1 week, 6 days, 20 hours, 23 minutes, 20 seconds.
• To count from 1 to 21,040,979,000 would take you about one thousand, three hundred thirty-eight 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 21040979000 cubic inches would be around 230.1 feet tall.

Recreational maths with 21040979000

• 21040979000 backwards is 00097904012
• The number of decimal digits it has is: 11
• The sum of 21040979000's digits is 32
• More coming soon!