638048352025161

Names of 638048352025161

• Cardinal: 638048352025161 can be written as Six hundred thirty-eight trillion, forty-eight billion, three hundred fifty-two million, twenty-five thousand, one hundred sixty-one.

Scientific notation

• Scientific notation: 6.38048352025161 × 10¹⁴

Factors of 638048352025161

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 2607

Divisors of 638048352025161

• Number of divisors d(n): 243
• Complete list of divisors:
  1 3 7 9 11 21 33 43 49 63 77 99 121 129 147 231 301 363 387 441 473 539 693 847 903 1089 1419 1617 1849 2107 2541 2543 2709 3311 4257 4851 5203 5547 5929 6321 7623 7629 9933 12943 15609 16641 17787 17801 18963 20339 22887 23177 27973 29799 36421 38829 46827 53361 53403 61017 69531 83919 90601 109263 109349 116487 124607 142373 160209 183051 195811 208593 223729 251757 254947 271803 307703 327789 328047 373821 427119 587433 671187 764841 765443 815409 923109 984141 996611 1121463 1202839 1281357 1370677 1566103 1762299 2013561 2153921 2294523 2296329 2769327 2989833 3608517 4112031 4698309 4702007 5358101 6461763 6466849 6888987 8419873 8969499 10825551 10962721 12336093 13231229 14094927 14106021 15077447 16074303 19385289 19400547 25259619 32888163 32914049 39693687 42318063 45232341 45267943 48222909 51722077 58201641 58939111 71135339 75778857 92618603 98664489 98742147 119081061 135697023 135803829 155166231 176817333 213406017 230398343 277855809 278074507 296226441 316875601 362054539 407411487 465498693 497947373 530451999 568942847 640218051 648330221 691195029 782488729 833567427 834223521 950626803 1086163617 1493842119 1706828541 1944990663 1946521549 2073585087 2347466187 2502670563 2534381773 2851880409 3058819577 3258490851 3485631611 3982599929 4481526357 5120485623 5477421103 5834971989 5839564647 7042398561 7603145319 9176458731 10456894833 11947799787 11957203801 13625650843 16432263309 17518693941 21411737039 22809435957 27529376193 27878199503 31370684499 33647015347 35843399361 35871611403 38341947721 40876952529 49296789927 64235211117 83634598509 83700426607 100941046041 107614834209 115025843163 122630857587 131529241811 149882159273 192705633351 235529107429 250903795527 251101279821 302823138123 345077529489 394587725433 449646477819 585902986249 706587322287 753303839463 920704692677 1183763176299 1348939433457 1446821659921 1648703752003 1757708958747 2119761966861 2762114078031 4340464979763 4946111256009 5273126876241 6444932848739 8286342234093 10127751619447 13021394939289 14838333768027 19334798546217 30383254858341 58004395638651 70894261336129 91149764575023 212682784008387 638048352025161
• Sum of all divisors σ(n): 1206935321206797
• Sum of proper divisors (its aliquot sum) s(n): 568886969181636
• 638048352025161 is a deficient number, because the sum of its proper divisors (568886969181636) is less than itself. Its deficiency is 69161382843525

Bases of 638048352025161

• Binary: 10010001000100110100110101010111110011101001001001₂
• Hexadecimal: 0x2444D355F3A49
• Base-36: 6A63D6VIO9

Squares and roots of 638048352025161

• 638048352025161 squared (638048352025161²) is 407105699522023773169977075921
• 638048352025161 cubed (638048352025161³) is 259753120680077642681599329325902725399248281
• 638048352025161 is a perfect square number. Its square root is 25259619
• The cube root of 638048352025161 is 86089.7005312603

Scales and comparisons

• 638,048,352,025,161 seconds is equal to 20,287,963 years, 51 weeks, 4 hours, 19 minutes, 21 seconds.
• To count from 1 to 638,048,352,025,161 would take you about fifty million, seven hundred nineteen thousand, nine hundred nine 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 638048352025161 cubic inches would be around 7174.1 feet tall.

Recreational maths with 638048352025161

• 638048352025161 backwards is 161520253840836
• The number of decimal digits it has is: 15
• The sum of 638048352025161's digits is 54
• More coming soon!