21901788716016

Names of 21901788716016

• Cardinal: 21901788716016 can be written as Twenty-one trillion, nine hundred one billion, seven hundred eighty-eight million, seven hundred sixteen thousand and sixteen.

Scientific notation

• Scientific notation: 2.1901788716016 × 10¹³

Factors of 21901788716016

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 20586

Divisors of 21901788716016

• Number of divisors d(n): 320
• Complete list of divisors:
  1 2 3 4 6 8 11 12 16 22 24 33 37 44 48 61 66 74 88 111 122 132 148 176 183 222 244 264 296 366 407 444 488 528 592 671 732 814 888 941 976 1221 1342 1464 1628 1776 1882 2013 2257 2442 2684 2823 2928 3256 3764 4026 4514 4884 5368 5646 6512 6771 7528 8052 9028 9768 10351 10736 11292 13542 15056 16104 18056 19531 19536 20702 22584 24827 27084 31053 32208 34817 36112 39062 41404 45168 49654 54168 57401 58593 62106 69634 74481 78124 82808 99308 104451 108336 114802 117186 124212 139268 148962 156248 165616 172203 198616 208902 214841 229604 234372 248424 278536 297924 312496 344406 382987 397232 417804 429682 459208 468744 496848 557072 595848 631411 644523 688812 722647 765974 835608 859364 918416 937488 1148961 1191391 1191696 1262822 1289046 1377624 1445294 1531948 1671216 1718728 1894233 2123837 2167941 2297922 2382782 2525644 2578092 2755248 2890588 3063896 3437456 3574173 3788466 4247674 4335882 4595844 4765564 5051288 5156184 5781176 6127792 6371511 7148346 7576932 7949117 8495348 8671764 9191688 9531128 10102576 10312368 11562352 12743022 13105301 14296692 15153864 15898234 16990696 17343528 18378671 18383376 19062256 23362207 23847351 25486044 26210602 28593384 30307728 31796468 33981392 34687056 36757342 39315903 44081467 46724414 47694702 50972088 52421204 55136013 57186768 63592936 70086621 73514684 78631806 88162934 93448828 95389404 101944176 104842408 110272026 127185872 132244401 140173242 147029368 157263612 176325868 186897656 190778808 202165381 209684816 220544052 264488802 280346484 294058736 314527224 352651736 373795312 381557616 404330762 441088104 484896137 528977604 560692968 606496143 629054448 680010827 705303472 808661524 882176208 969792274 1057955208 1121098931 1121385936 1212992286 1360021654 1454688411 1617323048 1939584548 2040032481 2115910416 2242197862 2425984572 2720043308 2909376822 3234646096 3363296793 3879169096 4080064962 4484395724 4851969144 5440086616 5818753644 6726593586 7480119097 7758338192 8160129924 8968791448 9703938288 10880173232 11637507288 12332088241 13453187172 14960238194 16320259848 17937582896 22440357291 23275014576 24664176482 26906374344 29920476388 32640519696 36996264723 41480660447 44880714582 49328352964 53812748688 59840952776 73992529446 82961320894 89761429164 98656705928 119681905552 124441981341 147985058892 165922641788 179522858328 197313411856 248883962682 295970117784 331845283576 359045716656 456287264917 497767925364 591940235568 663690567152 912574529834 995535850728 1368861794751 1825149059668 1991071701456 2737723589502 3650298119336 5475447179004 7300596238672 10950894358008 21901788716016
• Sum of all divisors σ(n): 64502394296832
• Sum of proper divisors (its aliquot sum) s(n): 42600605580816
• 21901788716016 is an abundant number, because the sum of its proper divisors (42600605580816) is greater than itself. Its abundance is 20698816864800

Bases of 21901788716016

• Binary: 100111110101101101000010101100001101111110000₂
• Hexadecimal: 0x13EB68561BF0
• Base-36: 7RHJJII9C

Squares and roots of 21901788716016

• 21901788716016 squared (21901788716016²) is 479688348961005785894912256
• 21901788716016 cubed (21901788716016³) is 10506032868478501859107277302845221892096
• The square root of 21901788716016 is 4679934.6914263665
• The cube root of 21901788716016 is 27978.6353674217

Scales and comparisons

• 21,901,788,716,016 seconds is equal to 696,409 years, 6 weeks, 6 days, 22 hours, 53 minutes, 36 seconds.
• To count from 1 to 21,901,788,716,016 would take you about one million, seven hundred forty-one thousand and twenty-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 21901788716016 cubic inches would be around 2331.6 feet tall.

Recreational maths with 21901788716016

• 21901788716016 backwards is 61061788710912
• The number of decimal digits it has is: 14
• The sum of 21901788716016's digits is 57
• More coming soon!