16404850906821

Names of 16404850906821

• Cardinal: 16404850906821 can be written as Sixteen trillion, four hundred four billion, eight hundred fifty million, nine hundred six thousand, eight hundred twenty-one.

Scientific notation

• Scientific notation: 1.6404850906821 × 10¹³

Factors of 16404850906821

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 303

Divisors of 16404850906821

• Number of divisors d(n): 360
• Complete list of divisors:
  1 3 9 13 17 27 37 39 51 81 111 117 153 169 221 233 289 333 351 459 481 507 629 663 699 867 999 1053 1369 1377 1443 1521 1887 1989 2097 2197 2601 2873 2997 3029 3757 3961 4107 4329 4563 5661 5967 6253 6291 6591 7803 8177 8619 8621 9087 10693 11271 11883 12321 12987 13689 16983 17797 17901 18759 18873 19773 23273 23409 24531 25857 25863 27261 32079 33813 35649 36963 37349 38961 39377 48841 50949 51493 53391 56277 59319 67337 69819 73593 77571 77589 81289 81783 96237 101439 106301 106947 110889 112047 112073 118131 139009 146523 146557 154479 160173 168831 177957 202011 209457 220779 231361 232713 232767 243867 245349 288711 302549 304317 318903 318977 320841 336141 336219 354393 395641 417027 439569 439671 463437 480519 506493 511901 606033 628371 634933 662337 669409 694083 698301 731601 866133 875381 907647 956709 956931 1008423 1008657 1063179 1186923 1251081 1318707 1319013 1381913 1390311 1441557 1456949 1535703 1807117 1818099 1885113 1904799 1905241 2008227 2082249 2194803 2491469 2626143 2722941 2870127 2870793 3007693 3025269 3025971 3189537 3560769 3753243 3933137 3956121 3957039 4145739 4146701 4170933 4370847 4607109 5143333 5421351 5422609 5454297 5714397 5715723 6024681 6246747 6584409 7474407 7878429 8168823 8610381 8612379 8702317 9023079 9077913 10682307 11259729 11379953 11799411 11871117 12437217 12440103 13112541 13821327 15429999 16264053 16267827 17143191 17147169 18074043 18740241 18940337 22423221 23492521 23635287 24506469 24768133 25837137 26106951 27069237 32046921 32389097 34139859 35398233 37311651 37320309 39337623 41463981 46289997 48792159 48803481 51130781 51429573 51441507 53907113 54222129 56821011 66863329 67269663 70477563 70493917 70905861 74304399 78320853 81207711 92184353 97167291 102419577 106194699 111934953 111960927 118012869 138869991 146376477 146410443 147939389 153392343 154324521 161721339 170463033 200589987 201808989 211432689 211481751 222913197 234962559 243623133 276553059 291501873 307258731 318584097 321985729 335882781 416609973 421058261 439231329 443818167 460177029 485164017 511389099 601769961 634298067 634445253 668739591 700792469 704887677 829659177 869223277 874505619 916420921 921776193 965957187 1198396589 1263174783 1331454501 1380531087 1455492051 1534167297 1805309883 1902894201 1903335759 2006218773 2102377407 2488977531 2607669831 2623516857 2749262763 2897871561 3595189767 3789524349 3994363503 4141593261 4366476153 5415929649 5473757393 5710007277 6307132221 7466932593 7823009493 8247788289 8693614683 10785569301 11368573047 11913471973 11983090509 15579155657 16421272179 18921396663 23469028479 24743364867 26080844049 32356707903 34105719141 35740415919 46737466971 49263816537 56764189989 70407085437 74230094601 97070123709 107221247757 140212400913 147791449611 202529023541 321663743271 420637202739 443374348833 607587070623 964991229813 1261911608217 1822761211869 5468283635607 16404850906821
• Sum of all divisors σ(n): 29107885486680
• Sum of proper divisors (its aliquot sum) s(n): 12703034579859
• 16404850906821 is a deficient number, because the sum of its proper divisors (12703034579859) is less than itself. Its deficiency is 3701816326962

Bases of 16404850906821

• Binary: 11101110101110001101010011111001011011000101₂
• Hexadecimal: 0xEEB8D4F96C5
• Base-36: 5TCA8O3B9

Squares and roots of 16404850906821

• 16404850906821 squared (16404850906821²) is 269119133275025786024326041
• 16404850906821 cubed (16404850906821³) is 4414859257549688321453323362064214825661
• The square root of 16404850906821 is 4050290.2250111657
• The cube root of 16404850906821 is 25409.1865972553

Scales and comparisons

• 16,404,850,906,821 seconds is equal to 521,623 years, 26 weeks, 5 days, 13 hours, 40 minutes, 21 seconds.
• To count from 1 to 16,404,850,906,821 would take you about one million, three hundred four thousand and fifty-eight 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 16404850906821 cubic inches would be around 2117.4 feet tall.

Recreational maths with 16404850906821

• 16404850906821 backwards is 12860905840461
• The number of decimal digits it has is: 14
• The sum of 16404850906821's digits is 54
• More coming soon!