21242819000

Names of 21242819000

• Cardinal: 21242819000 can be written as Twenty-one billion, two hundred forty-two million, eight hundred nineteen thousand.

Scientific notation

• Scientific notation: 2.1242819 × 10¹⁰

Factors of 21242819000

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 116

Divisors of 21242819000

• Number of divisors d(n): 256
• Complete list of divisors:
  1 2 4 5 8 10 13 20 25 26 29 40 50 52 58 65 67 100 104 116 125 130 134 145 200 232 250 260 268 290 325 335 377 500 520 536 580 650 670 725 754 841 871 1000 1160 1300 1340 1450 1508 1625 1675 1682 1742 1885 1943 2600 2680 2900 3016 3250 3350 3364 3484 3625 3770 3886 4205 4355 5800 6500 6700 6728 6968 7250 7540 7772 8375 8410 8710 9425 9715 10933 13000 13400 14500 15080 15544 16750 16820 17420 18850 19430 21025 21775 21866 24389 25259 29000 33500 33640 34840 37700 38860 42050 43550 43732 47125 48575 48778 50518 54665 56347 67000 75400 77720 84100 87100 87464 94250 97150 97556 101036 105125 108875 109330 112694 121945 126295 168200 174200 188500 194300 195112 202072 210250 217750 218660 225388 242875 243890 252590 273325 281735 317057 377000 388600 420500 435500 437320 450776 485750 487780 505180 546650 563470 609725 631475 634114 732511 841000 871000 971500 975560 1010360 1093300 1126940 1219450 1262950 1268228 1366625 1408675 1465022 1585285 1634063 1943000 2186600 2253880 2438900 2525900 2536456 2733250 2817350 2930044 3048625 3157375 3170570 3268126 3662555 4877800 5051800 5466500 5634700 5860088 6097250 6314750 6341140 6536252 7043375 7325110 7926425 8170315 10933000 11269400 12194500 12629500 12682280 13072504 14086750 14650220 15852850 16340630 18312775 21242819 24389000 25259000 28173500 29300440 31705700 32681260 36625550 39632125 40851575 42485638 56347000 63411400 65362520 73251100 79264250 81703150 84971276 91563875 106214095 146502200 158528500 163406300 169942552 183127750 204257875 212428190 317057000 326812600 366255500 408515750 424856380 531070475 732511000 817031500 849712760 1062140950 1634063000 2124281900 2655352375 4248563800 5310704750 10621409500 21242819000
• Sum of all divisors σ(n): 56271196800
• Sum of proper divisors (its aliquot sum) s(n): 35028377800
• 21242819000 is an abundant number, because the sum of its proper divisors (35028377800) is greater than itself. Its abundance is 13785558800

Bases of 21242819000

• Binary: 10011110010001010111011000110111000₂
• Hexadecimal: 0x4F22BB1B8
• Base-36: 9RBFC1K

Squares and roots of 21242819000

• 21242819000 squared (21242819000²) is 451257359066761000000
• 21242819000 cubed (21242819000³) is 9585978401073212839259000000000
• The square root of 21242819000 is 145749.1646631293
• The cube root of 21242819000 is 2769.5170909831

Scales and comparisons

• 21,242,819,000 seconds is equal to 675 years, 23 weeks, 4 days, 23 hours, 3 minutes, 20 seconds.
• To count from 1 to 21,242,819,000 would take you about one thousand, three hundred fifty 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 21242819000 cubic inches would be around 230.8 feet tall.

Recreational maths with 21242819000

• 21242819000 backwards is 00091824212
• 21242819000 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 21242819000's digits is 29
• More coming soon!