21016858500

Names of 21016858500

• Cardinal: 21016858500 can be written as Twenty-one billion, sixteen million, eight hundred fifty-eight thousand, five hundred.

Scientific notation

• Scientific notation: 2.10168585 × 10¹⁰

Factors of 21016858500

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 8085

Divisors of 21016858500

• Number of divisors d(n): 288
• Complete list of divisors:
  1 2 3 4 5 6 9 10 11 12 15 18 20 22 25 30 33 36 44 45 50 53 55 60 66 75 90 99 100 106 110 125 132 150 159 165 180 198 212 220 225 250 265 275 300 318 330 375 396 450 477 495 500 530 550 583 636 660 750 795 825 900 954 990 1060 1100 1125 1166 1325 1375 1500 1590 1650 1749 1908 1980 2250 2332 2385 2475 2650 2750 2915 3180 3300 3498 3975 4125 4500 4770 4950 5247 5300 5500 5830 6625 6996 7950 8011 8250 8745 9540 9900 10494 11660 11925 12375 13250 14575 15900 16022 16500 17490 19875 20988 23850 24033 24750 26235 26500 29150 32044 34980 39750 40055 43725 47700 48066 49500 52470 58300 59625 72099 72875 79500 80110 87450 88121 96132 104940 119250 120165 131175 144198 145750 160220 174900 176242 200275 218625 238500 240330 262350 264363 288396 291500 352484 360495 400550 424583 437250 440605 480660 524700 528726 600825 655875 720990 793089 801100 849166 874500 881210 1001375 1057452 1201650 1273749 1311750 1321815 1441980 1586178 1698332 1762420 1802475 2002750 2122915 2203025 2403300 2547498 2623500 2643630 3004125 3172356 3604950 3821247 3965445 4005500 4245830 4406050 4670413 5094996 5287260 6008250 6368745 6609075 7209900 7642494 7930890 8491660 8812100 9012375 9340826 10614575 11015125 12016500 12737490 13218150 14011239 15284988 15861780 18024750 18681652 19106235 19827225 21229150 22030250 23352065 25474980 26436300 28022478 31843725 33045375 36049500 38212470 39654450 42033717 42458300 44060500 46704130 53072875 56044956 63687450 66090750 70056195 76424940 79308900 84067434 93408260 95531175 99136125 106145750 116760325 127374900 132181500 140112390 159218625 168134868 191062350 198272250 210168585 212291500 233520650 280224780 318437250 350280975 382124700 396544500 420337170 467041300 477655875 583801625 636874500 700561950 840674340 955311750 1050842925 1167603250 1401123900 1751404875 1910623500 2101685850 2335206500 3502809750 4203371700 5254214625 7005619500 10508429250 21016858500
• Sum of all divisors σ(n): 73702452096
• Sum of proper divisors (its aliquot sum) s(n): 52685593596
• 21016858500 is an abundant number, because the sum of its proper divisors (52685593596) is greater than itself. Its abundance is 31668735096

Bases of 21016858500

• Binary: 10011100100101100111100111110000100₂
• Hexadecimal: 0x4E4B3CF84
• Base-36: 9NKW7T0

Squares and roots of 21016858500

• 21016858500 squared (21016858500²) is 441708341209022250000
• 21016858500 cubed (21016858500³) is 9283321705459739551601625000000
• The square root of 21016858500 is 144971.9231437591
• The cube root of 21016858500 is 2759.6622538821

Scales and comparisons

• 21,016,858,500 seconds is equal to 668 years, 14 weeks, 16 hours, 15 minutes.
• To count from 1 to 21,016,858,500 would take you about one thousand, three hundred thirty-six 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 21016858500 cubic inches would be around 230 feet tall.

Recreational maths with 21016858500

• 21016858500 backwards is 00585861012
• 21016858500 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 21016858500's digits is 36
• More coming soon!