21496881924

Names of 21496881924

• Cardinal: 21496881924 can be written as Twenty-one billion, four hundred ninety-six million, eight hundred eighty-one thousand, nine hundred twenty-four.

Scientific notation

• Scientific notation: 2.1496881924 × 10¹⁰

Factors of 21496881924

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 1452

Divisors of 21496881924

• Number of divisors d(n): 270
• Complete list of divisors:
  1 2 3 4 6 7 9 12 14 18 21 27 28 31 36 42 49 54 62 63 81 84 93 98 108 124 126 147 162 186 189 196 217 252 279 294 324 372 378 434 441 558 567 588 651 756 837 868 882 961 1116 1134 1302 1323 1409 1519 1674 1764 1922 1953 2268 2511 2604 2646 2818 2883 3038 3348 3844 3906 3969 4227 4557 5022 5292 5636 5766 5859 6076 6727 7812 7938 8454 8649 9114 9863 10044 11532 11718 12681 13454 13671 15876 16908 17298 17577 18228 19726 20181 23436 25362 25947 26908 27342 29589 34596 35154 38043 39452 40362 41013 43679 47089 50724 51894 54684 59178 60543 69041 70308 76086 77841 80724 82026 87358 88767 94178 103788 114129 118356 121086 123039 131037 138082 141267 152172 155682 164052 174716 177534 181629 188356 207123 228258 242172 246078 262074 266301 276164 282534 305753 311364 355068 363258 393111 414246 423801 456516 492156 524148 532602 544887 565068 611506 621369 726516 786222 798903 828492 847602 917259 1065204 1089774 1179333 1223012 1242738 1271403 1354049 1572444 1597806 1695204 1834518 1864107 2140271 2179548 2358666 2485476 2542806 2708098 2751777 3195612 3537999 3669036 3728214 3814209 4062147 4280542 4717332 5085612 5416196 5503554 5592321 6420813 7075998 7456428 7628418 8124294 8255331 8561084 9478343 11007108 11184642 12186441 12841626 14151996 15256836 16248588 16510662 18956686 19262439 22369284 24372882 24765993 25683252 28435029 33021324 36559323 37913372 38524878 48745764 49531986 56870058 57787317 66348401 73118646 77049756 85305087 99063972 109677969 113740116 115574634 132696802 146237292 170610174 173361951 199045203 219355938 231149268 255915261 265393604 341220348 346723902 398090406 438711876 511830522 597135609 693447804 767745783 796180812 1023661044 1194271218 1535491566 1791406827 2388542436 3070983132 3582813654 5374220481 7165627308 10748440962 21496881924
• Sum of all divisors σ(n): 67596876270
• Sum of proper divisors (its aliquot sum) s(n): 46099994346
• 21496881924 is an abundant number, because the sum of its proper divisors (46099994346) is greater than itself. Its abundance is 24603112422

Bases of 21496881924

• Binary: 10100000001010100000110001100000100₂
• Hexadecimal: 0x501506304
• Base-36: 9VIOS90

Squares and roots of 21496881924

• 21496881924 squared (21496881924²) is 462115932454397941776
• 21496881924 cubed (21496881924³) is 9934051635171352068867298857024
• The square root of 21496881924 is 146618.1500497125
• The cube root of 21496881924 is 2780.5144539005

Scales and comparisons

• 21,496,881,924 seconds is equal to 683 years, 27 weeks, 5 days, 12 hours, 5 minutes, 24 seconds.
• To count from 1 to 21,496,881,924 would take you about one thousand, three hundred sixty-seven 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 21496881924 cubic inches would be around 231.7 feet tall.

Recreational maths with 21496881924

• 21496881924 backwards is 42918869412
• 21496881924 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 21496881924's digits is 54
• More coming soon!