638181832121197

Names of 638181832121197

• Cardinal: 638181832121197 can be written as Six hundred thirty-eight trillion, one hundred eighty-one billion, eight hundred thirty-two million, one hundred twenty-one thousand, one hundred ninety-seven.

Scientific notation

• Scientific notation: 6.38181832121197 × 10¹⁴

Factors of 638181832121197

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 7429

Divisors of 638181832121197

• Number of divisors d(n): 192
• Complete list of divisors:
  1 7 13 19 31 91 133 151 217 247 361 403 589 631 1057 1729 1963 2527 2821 2869 4123 4417 4681 4693 6577 7657 8203 11191 11989 13741 19561 20083 32767 32851 37297 46039 53599 54511 57421 60853 78337 83923 85501 88939 95281 124963 136927 145483 155857 203887 227791 254293 261079 371659 381577 425971 598507 622573 666967 708643 874741 993127 1018381 1090999 1156207 1238653 1427209 1594537 1624519 1689841 1780051 1810339 2374297 2601613 2650531 2953711 2961283 3873853 4150087 4831567 4960501 6951889 7061521 8093449 8670571 11371633 11828887 12672373 12910651 16620079 18553717 18869413 20675977 20728981 21967933 23534407 27116971 29050609 30786937 30865861 33820969 34396441 38398243 49430647 50360089 53951131 56120509 73603207 78851653 90374557 91799773 128652697 132085891 153775531 164740849 215508559 216061027 240775087 245302369 268787701 352520623 358518847 377657917 392843563 400230181 447153733 515222449 551961571 584951803 626663137 642598411 729566617 900568879 956841691 1025071489 1066289671 1498181407 1672485061 1717116583 2444401243 2509631929 2801611267 3130076131 4094662621 4386641959 4660745011 5106966319 6697891837 7175500423 7464027697 7604373439 8146620781 10487269849 11114084257 11707395427 11906599603 13861765723 17110808701 19426557247 19476358291 31777216159 32625215077 46443623617 53230614073 57026345467 77798589799 83346197221 97032360061 135985900729 136334508037 144483095341 154785794839 222440513113 226225392457 252545244211 325105365319 369104587693 603767107021 1011381667387 1083500563873 1583577747199 1767816709477 2583732113851 2940930101941 4226369749147 4798359640009 7012987166167 20586510713587 33588517480063 49090910163169 91168833160171 638181832121197
• Sum of all divisors σ(n): 862874256211968
• Sum of proper divisors (its aliquot sum) s(n): 224692424090771
• 638181832121197 is a deficient number, because the sum of its proper divisors (224692424090771) is less than itself. Its deficiency is 413489408030426

Bases of 638181832121197

• Binary: 10010001000110110001001001011001111101101101101101₂
• Hexadecimal: 0x2446C4967DB6D
• Base-36: 6A7SOPH7XP

Squares and roots of 638181832121197

• 638181832121197 squared (638181832121197²) is 407276050849567671000496712809
• 638181832121197 cubed (638181832121197³) is 259916176310262888221885318112672686190312373
• The square root of 638181832121197 is 25262261.0255138683
• The cube root of 638181832121197 is 86095.7034515849

Scales and comparisons

• 638,181,832,121,197 seconds is equal to 20,292,208 years, 12 weeks, 1 day, 16 hours, 46 minutes, 37 seconds.
• To count from 1 to 638,181,832,121,197 would take you about fifty million, seven hundred thirty thousand, five hundred twenty 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 638181832121197 cubic inches would be around 7174.6 feet tall.

Recreational maths with 638181832121197

• 638181832121197 backwards is 791121238181836
• The number of decimal digits it has is: 15
• The sum of 638181832121197's digits is 61
• More coming soon!