163442749887729

Names of 163442749887729

• Cardinal: 163442749887729 can be written as One hundred sixty-three trillion, four hundred forty-two billion, seven hundred forty-nine million, eight hundred eighty-seven thousand, seven hundred twenty-nine.

Scientific notation

• Scientific notation: 1.63442749887729 × 10¹⁴

Factors of 163442749887729

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 18
• Sum of prime factors: 106

Divisors of 163442749887729

• Number of divisors d(n): 351
• Complete list of divisors:
  1 3 9 13 19 27 39 57 71 81 117 169 171 213 243 247 351 361 507 513 639 729 741 923 1053 1083 1349 1521 1539 1917 2187 2223 2769 3159 3211 3249 4047 4563 4617 4693 5041 5751 6561 6669 8307 9477 9633 9747 11999 12141 13689 13851 14079 15123 17253 17537 19683 20007 24921 25631 28431 28899 29241 35997 36423 41067 41553 42237 45369 51759 52611 59049 60021 61009 65533 74763 76893 85293 86697 87723 95779 107991 109269 123201 124659 126711 136107 155277 157833 177147 180063 183027 196599 224289 227981 230679 255879 260091 263169 287337 323973 327807 333203 369603 373977 380133 408321 465831 473499 531441 540189 549081 589797 672867 683943 692037 767637 780273 789507 851929 862011 971919 983421 999609 1108809 1121931 1140399 1224963 1245127 1397493 1420497 1620567 1647243 1769391 1819801 2018601 2051829 2076111 2302911 2340819 2368521 2555787 2586033 2915757 2950263 2998827 3326427 3365793 3421197 3674889 3735381 4192479 4261491 4331639 4861701 4941729 5308173 5459403 6055803 6155487 6228333 6908733 7022457 7105563 7667361 7758099 8747271 8850789 8996481 9979281 10097379 10263591 11024667 11206143 12577437 12784473 12994917 14585103 14825187 15924519 16186651 16378209 18167409 18466461 18684999 21067371 21316689 23002083 23274297 23657413 26241813 26552367 26989443 29937843 30790773 33074001 33618429 37732311 38353419 38984751 43755309 44475561 47773557 48559953 49134627 54502227 55399383 56054997 63202113 63950067 69006249 69822891 70972239 78725439 79657101 80968329 89813529 92372319 99222003 100855287 115060257 116954253 131265927 133426683 143320671 145679859 147403881 163506681 166198149 168164991 189606339 191850201 207018747 209468673 212916717 236176317 238971303 242904987 277116957 297666009 302565861 307546369 345180771 350862759 400280049 429962013 437039577 442211643 490520043 498594447 504494973 568819017 621056241 628406019 638750151 708528951 716913909 728714961 831350871 892998027 907697583 922639107 1035542313 1052588277 1200840147 1289886039 1311118731 1326634929 1495783341 1513484919 1706457051 1863168723 1885218057 1916250453 2125586853 2186144883 2494052613 2678994081 2723092749 2767917321 3106626939 3157764831 3602520441 3869658117 3933356193 3979904787 4487350023 4540454757 5589506169 5655654171 5748751359 6376760559 6558434649 8169278247 8303751963 9319880817 9473294493 10807561323 11608974351 11800068579 11939714361 13462050069 13621364271 16768518507 16966962513 17246254077 19675303947 24507834741 24911255889 28419883479 32422683969 34826923053 35400205737 35819143083 40386150207 50305555521 50900887539 51738762231 59025911841 73523504223 74733767667 85259650437 106200617211 107457429249 121158450621 150916666563 155216286693 177077735523 220570512669 224201303001 255778951311 318601851633 322372287747 452749999689 465648860079 661711538007 672603909003 767336853933 955805554899 967116863241 1396946580237 2017811727009 2302010561799 2867416664697 4190839740711 6053435181027 8602249994091 12572519222133 18160305543081 54480916629243 163442749887729
• Sum of all divisors σ(n): 284182873588539
• Sum of proper divisors (its aliquot sum) s(n): 120740123700810
• 163442749887729 is a deficient number, because the sum of its proper divisors (120740123700810) is less than itself. Its deficiency is 42702626186919

Bases of 163442749887729

• Binary: 100101001010011001111011000011000101010011110001₂
• Hexadecimal: 0x94A67B0C54F1
• Base-36: 1LXOK9BE29

Squares and roots of 163442749887729

• 163442749887729 squared (163442749887729²) is 26713532490862738042104777441
• 163442749887729 cubed (163442749887729³) is 4366133209521800771849570150369857281921489
• 163442749887729 is a perfect square number. Its square root is 12784473
• The cube root of 163442749887729 is 54674.9700147983

Scales and comparisons

• 163,442,749,887,729 seconds is equal to 5,196,973 years, 46 weeks, 1 hour, 42 minutes, 9 seconds.
• To count from 1 to 163,442,749,887,729 would take you about twelve million, nine hundred ninety-two thousand, four hundred thirty-four 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 163442749887729 cubic inches would be around 4556.2 feet tall.

Recreational maths with 163442749887729

• 163442749887729 backwards is 927788947244361
• 163442749887729 is a Harshad number.
• The number of decimal digits it has is: 15
• The sum of 163442749887729's digits is 81
• More coming soon!