21103315884

Names of 21103315884

• Cardinal: 21103315884 can be written as Twenty-one billion, one hundred three million, three hundred fifteen thousand, eight hundred eighty-four.

Scientific notation

• Scientific notation: 2.1103315884 × 10¹⁰

Factors of 21103315884

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 1701

Divisors of 21103315884

• Number of divisors d(n): 360
• Complete list of divisors:
  1 2 3 4 6 7 9 12 14 18 19 21 27 28 36 38 42 43 49 54 57 63 76 81 84 86 98 108 114 126 129 133 147 162 171 172 189 196 228 252 258 266 294 301 324 342 378 387 399 441 513 516 532 567 588 602 684 756 774 798 817 882 903 931 1026 1134 1161 1197 1204 1323 1539 1548 1596 1627 1634 1764 1806 1862 2052 2107 2268 2322 2394 2451 2646 2709 2793 3078 3254 3268 3483 3591 3612 3724 3969 4214 4644 4788 4881 4902 5292 5418 5586 5719 6156 6321 6508 6966 7182 7353 7938 8127 8379 8428 9762 9804 10773 10836 11172 11389 11438 12642 13932 14364 14643 14706 15876 16254 16758 17157 18963 19524 21546 22059 22778 22876 24381 25137 25284 29286 29412 30913 32508 33516 34167 34314 37926 40033 43092 43929 44118 45556 48762 50274 51471 56889 58572 61826 66177 68334 68628 69961 75411 75852 79723 80066 87858 88236 92739 97524 100548 102501 102942 113778 120099 123652 131787 132354 136668 139922 150822 154413 159446 160132 170667 175716 185478 205002 205884 209883 216391 227556 239169 240198 263574 264708 278217 279844 301644 307503 308826 318892 341334 360297 370956 410004 419766 432782 463239 478338 480396 489727 527148 556434 615006 617652 629649 649173 682668 717507 720594 834651 839532 865564 922509 926478 956676 979454 1080891 1112868 1230012 1259298 1298346 1329259 1435014 1441188 1469181 1514737 1669302 1845018 1852956 1888947 1947519 1958908 2152521 2161782 2503953 2518596 2596692 2658518 2870028 2938362 3029474 3242673 3338604 3428089 3690036 3777894 3895038 3987777 4305042 4323564 4407543 4544211 5007906 5317036 5666841 5842557 5876724 6058948 6457563 6485346 6856178 7555788 7790076 7975554 8610084 8815086 9088422 9304813 10015812 10284267 11333682 11685114 11963331 12915126 12970692 13222629 13632633 13712356 15951108 17527671 17630172 18176844 18609626 20568534 22667364 23370228 23926662 25830252 26445258 27265266 27914439 30852801 35055342 35889993 37219252 39667887 40897899 41137068 47853324 52890516 54530532 55828878 61705602 65133691 70110684 71779986 79335774 81795798 83743317 92558403 107669979 111657756 122693697 123411204 130267382 143559972 158671548 163591596 167486634 185116806 195401073 215339958 245387394 251229951 260534764 277675209 334973268 370233612 390802146 430679916 490774788 502459902 555350418 586203219 753689853 781604292 1004919804 1110700836 1172406438 1507379706 1758609657 2344812876 3014759412 3517219314 5275828971 7034438628 10551657942 21103315884
• Sum of all divisors σ(n): 69166426560
• Sum of proper divisors (its aliquot sum) s(n): 48063110676
• 21103315884 is an abundant number, because the sum of its proper divisors (48063110676) is greater than itself. Its abundance is 26959794792

Bases of 21103315884

• Binary: 10011101001110110110000101110101100₂
• Hexadecimal: 0x4E9DB0BAC
• Base-36: 9P0DAR0

Squares and roots of 21103315884

• 21103315884 squared (21103315884²) is 445349941299886701456
• 21103315884 cubed (21103315884³) is 9398360490172366634236770727104
• The square root of 21103315884 is 145269.8037583861
• The cube root of 21103315884 is 2763.4412321831

Scales and comparisons

• 21,103,315,884 seconds is equal to 671 years, 1 week, 8 hours, 11 minutes, 24 seconds.
• To count from 1 to 21,103,315,884 would take you about one thousand, three hundred forty-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 21103315884 cubic inches would be around 230.3 feet tall.

Recreational maths with 21103315884

• 21103315884 backwards is 48851330112
• 21103315884 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 21103315884's digits is 36
• More coming soon!