81764876516736

Names of 81764876516736

• Cardinal: 81764876516736 can be written as Eighty-one trillion, seven hundred sixty-four billion, eight hundred seventy-six million, five hundred sixteen thousand, seven hundred thirty-six.

Scientific notation

• Scientific notation: 8.1764876516736 × 10¹³

Factors of 81764876516736

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 67405

Divisors of 81764876516736

• Number of divisors d(n): 256
• Complete list of divisors:
  1 2 3 4 6 7 8 12 14 16 21 24 28 32 41 42 48 56 64 82 84 96 112 123 128 164 168 192 224 246 287 328 336 384 448 492 574 656 672 861 896 984 1148 1312 1344 1722 1968 2296 2624 2688 3444 3936 4592 5248 6888 7872 9184 13776 13873 15744 18368 27552 27746 36736 41619 53479 55104 55492 83238 97111 106958 110208 110984 160437 166476 194222 213916 221968 291333 320874 332952 374353 388444 427832 443936 568793 582666 641748 665904 748706 776888 855664 887872 1123059 1137586 1165332 1283496 1331808 1497412 1553776 1706379 1711328 1775744 2192639 2246118 2275172 2330664 2566992 2663616 2994824 3107552 3412758 3422656 3981551 4385278 4492236 4550344 4661328 5133984 5327232 5989648 6215104 6577917 6825516 6845312 7963102 8770556 8984472 9100688 9322656 10267968 11944653 11979296 12430208 13155834 13651032 15348473 15926204 17541112 17968944 18201376 18645312 20535936 23889306 23958592 26311668 27302064 30696946 31852408 35082224 35937888 36402752 37290624 46045419 47778612 47917184 52623336 54604128 61393892 63704816 70164448 71875776 72805504 92090838 95557224 105246672 109208256 122787784 127409632 140328896 143751552 184181676 191114448 210493344 218416512 245575568 254819264 280657792 368363352 382228896 420986688 491151136 509638528 736726704 741914167 764457792 841973376 982302272 1473453408 1483828334 1528915584 1964604544 2225742501 2946906816 2967656668 4451485002 5193399169 5893813632 5935313336 8902970004 10386798338 11870626672 15580197507 17805940008 20773596676 23741253344 30418480847 31160395014 35611880016 41547193352 47482506688 60836961694 62320790028 71223760032 83094386704 91255442541 94965013376 121673923388 124641580056 142447520064 166188773408 182510885082 212929365929 243347846776 249283160112 284895040128 332377546816 365021770164 425858731858 486695693552 498566320224 638788097787 664755093632 730043540328 851717463716 973391387104 997132640448 1277576195574 1460087080656 1703434927432 1946782774208 1994265280896 2555152391148 2920174161312 3406869854864 3893565548416 5110304782296 5840348322624 6813739709728 10220609564592 11680696645248 13627479419456 20441219129184 27254958838912 40882438258368 81764876516736
• Sum of all divisors σ(n): 254291906534400
• Sum of proper divisors (its aliquot sum) s(n): 172527030017664
• 81764876516736 is an abundant number, because the sum of its proper divisors (172527030017664) is greater than itself. Its abundance is 90762153500928

Bases of 81764876516736

• Binary: 10010100101110101011110011010110111110110000000₂
• Hexadecimal: 0x4A5D5E6B7D80
• Base-36: SZE9KDDHC

Squares and roots of 81764876516736

• 81764876516736 squared (81764876516736²) is 6685495031797086196488093696
• 81764876516736 cubed (81764876516736³) is 546638675728140770767859749358293280096256
• The square root of 81764876516736 is 9042393.2958446351
• The cube root of 81764876516736 is 43403.2511380047

Scales and comparisons

• 81,764,876,516,736 seconds is equal to 2,599,870 years, 8 weeks, 1 day, 11 hours, 5 minutes, 36 seconds.
• To count from 1 to 81,764,876,516,736 would take you about six million, four hundred ninety-nine thousand, six hundred seventy-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 81764876516736 cubic inches would be around 3616.9 feet tall.

Recreational maths with 81764876516736

• 81764876516736 backwards is 63761567846718
• The number of decimal digits it has is: 14
• The sum of 81764876516736's digits is 75
• More coming soon!