21820366876672

Names of 21820366876672

• Cardinal: 21820366876672 can be written as Twenty-one trillion, eight hundred twenty billion, three hundred sixty-six million, eight hundred seventy-six thousand, six hundred seventy-two.

Scientific notation

• Scientific notation: 2.1820366876672 × 10¹³

Factors of 21820366876672

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 17
• Sum of prime factors: 9234

Divisors of 21820366876672

• Number of divisors d(n): 312
• Complete list of divisors:
  1 2 4 7 8 13 14 16 26 28 32 49 52 56 64 91 98 104 112 128 182 196 208 224 256 364 392 416 448 512 637 728 784 832 896 1021 1024 1274 1456 1568 1664 1792 2042 2048 2548 2912 3136 3328 3584 4084 4096 5096 5824 6272 6656 7147 7168 8168 8191 10192 11648 12544 13273 13312 14294 14336 16336 16382 20384 23296 25088 26546 26624 28588 28672 32672 32764 40768 46592 50029 50176 53092 53248 57176 57337 65344 65528 81536 92911 93184 100058 100352 106184 106483 114352 114674 130688 131056 163072 185822 186368 200116 200704 212368 212966 228704 229348 261376 262112 326144 371644 372736 400232 401359 424736 425932 457408 458696 522752 524224 650377 652288 743288 745381 800464 802718 849472 851864 914816 917392 1045504 1048448 1300754 1304576 1486576 1490762 1600928 1605436 1698944 1703728 1829632 1834784 2091008 2096896 2601508 2609152 2973152 2981524 3201856 3210872 3397888 3407456 3659264 3669568 4182016 4193792 5203016 5217667 5946304 5963048 6403712 6421744 6795776 6814912 7318528 7339136 8363011 8387584 10406032 10435334 11892608 11926096 12807424 12843488 13591552 13629824 14637056 14678272 16726022 16775168 20812064 20870668 23785216 23852192 25614848 25686976 27183104 27259648 29274112 29356544 33452044 33550336 41624128 41741336 47570432 47704384 51229696 51373952 54366208 54519296 58541077 58713088 66904088 83248256 83482672 95140864 95408768 102459392 102747904 108719143 109038592 117082154 117426176 133808176 166496512 166965344 190281728 190817536 204918784 205495808 217438286 218077184 234164308 234852352 267616352 332993024 333930688 380563456 381635072 409787539 410991616 434876572 436154368 468328616 535232704 665986048 667861376 761034001 763270144 819575078 821983232 869753144 936657232 1070465408 1331972096 1335722752 1522068002 1526540288 1639150156 1643966464 1739506288 1873314464 2140930816 2663944192 2671445504 3044136004 3053080576 3278300312 3479012576 3746628928 4281861632 5327238007 5342891008 6088272008 6556600624 6958025152 7493257856 8563723264 10654476014 10685782016 12176544016 13113201248 13916050304 14986515712 17127446528 21308952028 21371564032 24353088032 26226402496 27832100608 29973031424 34254893056 42617904056 48706176064 52452804992 55664201216 59946062848 85235808112 97412352128 104905609984 111328402432 119892125696 170471616224 194824704256 209811219968 222656804864 239784251392 340943232448 389649408512 419622439936 445313609728 681886464896 779298817024 839244879872 1363772929792 1558597634048 1678489759744 2727545859584 3117195268096 5455091719168 10910183438336 21820366876672
• Sum of all divisors σ(n): 54724355653632
• Sum of proper divisors (its aliquot sum) s(n): 32903988776960
• 21820366876672 is an abundant number, because the sum of its proper divisors (32903988776960) is greater than itself. Its abundance is 11083621900288

Bases of 21820366876672

• Binary: 100111101100001110011001101110111000000000000₂
• Hexadecimal: 0x13D873377000
• Base-36: 7QG4Z1WXS

Squares and roots of 21820366876672

• 21820366876672 squared (21820366876672²) is 476128410632564572457795584
• 21820366876672 cubed (21820366876672³) is 10389296600409296495734268061784314216448
• The square root of 21820366876672 is 4671227.5556508699
• The cube root of 21820366876672 is 27943.9212959445

Scales and comparisons

• 21,820,366,876,672 seconds is equal to 693,820 years, 8 weeks, 6 days, 13 hours, 17 minutes, 52 seconds.
• To count from 1 to 21,820,366,876,672 would take you about one million, seven hundred thirty-four thousand, five 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 21820366876672 cubic inches would be around 2328.7 feet tall.

Recreational maths with 21820366876672

• 21820366876672 backwards is 27667866302812
• 21820366876672 is a Harshad number.
• The number of decimal digits it has is: 14
• The sum of 21820366876672's digits is 64
• More coming soon!