21367752457974129

Names of 21367752457974129

• Cardinal: 21367752457974129 can be written as Twenty-one quadrillion, three hundred sixty-seven trillion, seven hundred fifty-two billion, four hundred fifty-seven million, nine hundred seventy-four thousand, one hundred twenty-nine.

Scientific notation

• Scientific notation: 2.1367752457974129 × 10¹⁶

Factors of 21367752457974129

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 202

Divisors of 21367752457974129

• Number of divisors d(n): 225
• Complete list of divisors:
  1 3 9 19 27 53 57 81 127 159 171 361 381 477 513 1007 1083 1143 1431 1539 2413 2809 3021 3249 3429 4293 6731 7239 8427 9063 9747 10287 16129 19133 20193 21717 25281 27189 29241 45847 48387 53371 57399 60579 65151 75843 81567 127889 137541 145161 160113 172197 181737 195453 227529 306451 356743 383667 412623 435483 480339 516591 545211 854837 919353 1014049 1070229 1151001 1237869 1306449 1441017 1549773 2048383 2429891 2564511 2758059 3042147 3210687 3453003 3713607 4323051 5822569 6145149 6778117 7289673 7693533 8274177 9126441 9632061 10359009 16241903 17467707 18435447 20334351 21869019 23080599 24822531 27379323 28896183 38919277 45306361 48725709 52403121 55306341 61003053 65607057 69241797 82137969 108564299 116757831 128784223 135919083 146177127 157209363 165919023 183009159 196821171 260144641 308596157 325692897 350273493 386352669 407757249 438531381 471628089 549027477 739466263 780433923 860820859 925788471 977078691 1050820479 1159058007 1223271747 1315594143 2062721681 2218398789 2341301769 2582462577 2777365413 2931236073 3152461437 3477174021 3669815241 4942748179 5753907847 6188165043 6655196367 7023905307 7747387731 8332096239 8793708219 10431522063 13787665973 14828244537 16355596321 17261723541 18564495129 19965589101 21071715921 23242163193 24996288717 39191711939 41362997919 44484733611 49066788963 51785170623 55693485387 59896767303 69726489579 93912215401 109324249093 117575135817 124088993757 133454200833 147200366889 155355511869 167080456161 261965653487 281736646203 327972747279 352725407451 372266981271 400362602499 441601100667 466066535607 730746296569 785896960461 845209938609 983918241837 1058176222353 1116800943813 1324803302001 2077160732767 2192238889707 2357690881383 2535629815827 2951754725511 3174528667059 4977347416253 6231482198301 6576716669121 7073072644149 7606889447481 8855264176533 13884179634811 14932042248759 18694446594903 19730150007363 21219217932447 41652538904433 44796126746277 56083339784709 59190450022089 124957616713299 134388380238831 168250019354127 263799413061409 374872850139897 403165140716493 791398239184227 1124618550419691 2374194717552681 7122584152658043 21367752457974129
• Sum of all divisors σ(n): 34608259111459803
• Sum of proper divisors (its aliquot sum) s(n): 13240506653485674
• 21367752457974129 is a deficient number, because the sum of its proper divisors (13240506653485674) is less than itself. Its deficiency is 8127245804488455

Bases of 21367752457974129

• Binary: 1001011111010011101101110001110111001111111000101110001₂
• Hexadecimal: 0x4BE9DB8EE7F171
• Base-36: 5UE8HYQGI29

Squares and roots of 21367752457974129

• 21367752457974129 squared (21367752457974129²) is 456580845105259431516318833308641
• 21367752457974129 cubed (21367752457974129³) is 9756106475261812283466786250789647315853050148689
• 21367752457974129 is a perfect square number. Its square root is 146177127
• The cube root of 21367752457974129 is 277493.5851471655

Scales and comparisons

• 21,367,752,457,974,129 seconds is equal to 679,428,433 years, 19 weeks, 1 hour, 42 minutes, 9 seconds.
• To count from 1 to 21,367,752,457,974,129 would take you about two billion, thirty-eight million, two hundred eighty-five thousand, three hundred 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 21367752457974129 cubic inches would be around 23124.5 feet tall.

Recreational maths with 21367752457974129

• 21367752457974129 backwards is 92147975425776312
• 21367752457974129 is a Harshad number.
• The number of decimal digits it has is: 17
• The sum of 21367752457974129's digits is 81
• More coming soon!