21405421216848
21,405,421,216,848 is an even composite number composed of five prime numbers multiplied together.
What does the number 21405421216848 look like?
This visualization shows the relationship between its 5 prime factors (large circles) and 360 divisors.
21405421216848 is an even composite number. It is composed of five distinct prime numbers multiplied together. It has a total of three hundred sixty divisors.
Prime factorization of 21405421216848:
24 × 3 × 313 × 532 × 732
(2 × 2 × 2 × 2 × 3 × 31 × 31 × 31 × 53 × 53 × 73 × 73)See below for interesting mathematical facts about the number 21405421216848 from the Numbermatics database.
Names of 21405421216848
- Cardinal: 21405421216848 can be written as Twenty-one trillion, four hundred five billion, four hundred twenty-one million, two hundred sixteen thousand, eight hundred forty-eight.
Scientific notation
- Scientific notation: 2.1405421216848 × 1013
Factors of 21405421216848
Divisors of 21405421216848
- Number of divisors d(n): 360
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Complete list of divisors:
1 2 3 4 6 8 12 16 24 31 48 53 62 73 93 106 124 146 159 186 212 219 248 292 318 372 424 438 496 584 636 744 848 876 961 1168 1272 1488 1643 1752 1922 2263 2544 2809 2883 3286 3504 3844 3869 4526 4929 5329 5618 5766 6572 6789 7688 7738 8427 9052 9858 10658 11236 11532 11607 13144 13578 15376 15476 15987 16854 18104 19716 21316 22472 23064 23214 26288 27156 29791 30952 31974 33708 36208 39432 42632 44944 46128 46428 50933 54312 59582 61904 63948 67416 70153 78864 85264 87079 89373 92856 101866 108624 119164 119939 127896 134832 140306 152799 165199 174158 178746 185712 203732 205057 210459 238328 239878 255792 261237 280612 282437 305598 330398 348316 357492 359817 407464 410114 420918 476656 479756 495597 522474 561224 564874 611196 615171 660796 696632 714984 719634 814928 820228 841836 847311 959512 991194 1044948 1122448 1129748 1222392 1230342 1321592 1393264 1429968 1439268 1578923 1640456 1683672 1694622 1919024 1982388 2089896 2174743 2259496 2444784 2460684 2643184 2699449 2878536 3157846 3280912 3367344 3389244 3718109 3964776 4179792 4349486 4518992 4736769 4921368 5121169 5398898 5757072 6315692 6356767 6524229 6778488 7436218 7929552 8098347 8698972 8755547 9473538 9842736 10242338 10797796 11154327 12631384 12713534 13048458 13556976 14872436 14969161 15363507 16196694 17397944 17511094 18947076 19070301 20484676 21595592 22308654 25262768 25427068 26096916 26266641 29744872 29938322 30727014 32393388 34795888 35022188 37894152 38140602 40969352 43191184 44617308 44907483 50854136 52193832 52533282 59489744 59876644 61454028 64786776 70044376 75788304 76281204 81938704 83682919 89234616 89814966 101708272 104387664 105066564 115261379 119753288 122908056 129573552 140088752 152562408 158756239 167365838 178469232 179629932 197059777 210133128 230522758 239506576 245816112 251048757 271421957 305124816 317512478 334731676 345784137 359259864 394119554 420266256 461045516 464043991 476268717 502097514 542843914 591179331 635024956 669463352 691568274 718519728 788239108 814265871 922091032 928087982 952537434 1004195028 1085687828 1182358662 1270049912 1338926704 1383136548 1392131973 1576478216 1628531742 1844182064 1856175964 1905074868 2008390056 2171375656 2364717324 2540099824 2766273096 2784263946 3152956432 3257063484 3712351928 3810149736 4016780112 4342751312 4729434648 5532546192 5568527892 6108853087 6514126968 7424703856 7620299472 8414080667 9458869296 11137055784 12217706174 13028253936 14385363721 16828161334 18326559261 22274111568 24435412348 25242242001 28770727442 33656322668 36653118522 43156091163 48870824696 50484484002 57541454884 67312645336 73306237044 86312182326 97741649392 100968968004 115082909768 134625290672 146612474088 172624364652 201937936008 230165819536 293224948176 345248729304 403875872016 445946275351 690497458608 891892550702 1337838826053 1783785101404 2675677652106 3567570202808 5351355304212 7135140405616 10702710608424 21405421216848
- Sum of all divisors σ(n): 59047708871424
- Sum of proper divisors (its aliquot sum) s(n): 37642287654576
- 21405421216848 is an abundant number, because the sum of its proper divisors (37642287654576) is greater than itself. Its abundance is 16236866437728
Bases of 21405421216848
- Binary: 1001101110111110101101000011100100100010100002
- Hexadecimal: 0x1377D6872450
- Base-36: 7L5IJ4CPC
Squares and roots of 21405421216848
- 21405421216848 squared (214054212168482) is 458192057470686513039055104
- 21405421216848 cubed (214054212168483) is 9807793988374271249026392922811805192192
-
The
square root of 21405421216848 is 4626599.3144909361 -
The
cube root of 21405421216848 is 27765.6551945137
Scales and comparisons
How big is 21405421216848?- 21,405,421,216,848 seconds is equal to 680,626 years, 9 weeks, 3 days, 18 hours, 48 seconds.
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To count from 1 to 21,405,421,216,848 would take you about one million, seven hundred one thousand, five hundred sixty-five 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 21405421216848 cubic inches would be around 2313.8 feet tall.
Recreational maths with 21405421216848
- 21405421216848 backwards is 84861212450412
- 21405421216848 is a
Harshad number . - The number of decimal digits it has is: 14
- The sum of 21405421216848's digits is 48
- More coming soon!
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