421836990352557343090921

Names of 421836990352557343090921

• Cardinal: 421836990352557343090921 can be written as Four hundred twenty-one sextillion, eight hundred thirty-six quintillion, nine hundred ninety quadrillion, three hundred fifty-two trillion, five hundred fifty-seven billion, three hundred forty-three million, ninety thousand, nine hundred twenty-one.

Scientific notation

• Scientific notation: 4.21836990352557343090921 × 10²³

Factors of 421836990352557343090921

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 151456

Divisors of 421836990352557343090921

• Number of divisors d(n): 135
• Complete list of divisors:
  1 19 73 163 361 1387 3097 5329 6859 11899 26353 26569 58843 101251 130321 151201 226081 500707 504811 868627 1118017 1923769 1939537 2872819 4295539 9513433 9591409 11037673 16503913 21242323 24645763 36551611 36851203 54583561 81615241 141586201 182236771 209715787 313574347 468269497 694480609 700172857 805750129 1037087659 1550689579 1799140699 2690137819 3462498649 3984599953 4017259369 5957912593 8897120443 13303284283 15309252451 19704665521 22861742401 34183673281 51112618561 75707399107 76327928011 113200339267 131337271027 169045288417 252762401377 290875796569 293259933937 434373105619 649489792339 971139752659 1438440583033 1450230632209 1668907195273 2495408149513 3211860479923 3726464011363 5526640134811 5571938744803 8253089006761 12340306054441 18451655300521 21407975177401 27554382011971 31709236710187 47412754840747 70802816215897 105006162561409 105866836151257 121830225254929 156808691128459 234465815034379 272031872829499 406751528370619 523533258227449 602475497493553 607413633852169 900842341974193 1345253508102043 2011469886873883 2314774279843651 2979365131440721 5168605583760481 7728279039041761 11447034452377507 11540859043191211 17116004497509667 19858326716553427 25559816653938817 38217927850603777 43980711317029369 44341195271208337 98203506091449139 146837301741793459 217493654595172633 219276321820633009 377308207614515113 485636516424837523 835633515023558011 842482710152958403 1865866615737533641 2789908733094075721 3236907254798208601 4166250114592027171 7168855944675787147 15877036785447602209 16007171492906209657 35451465699013139179 61501237841165963419 79158752177248516249 136208262948839955793 304136258365217983483 1168523518982153304961 2587956996027959160067 5778588908939141686177 22201946860660912794259 421836990352557343090921
• Sum of all divisors σ(n): 454245035396196134944917
• Sum of proper divisors (its aliquot sum) s(n): 32408045043638791853996
• 421836990352557343090921 is a deficient number, because the sum of its proper divisors (32408045043638791853996) is less than itself. Its deficiency is 389428945308918551236925

Bases of 421836990352557343090921

• Binary: 1011001010100111101010000111101110110010111110100011110100001011010100011101001₂
• Hexadecimal: 0x5953D43DD97D1E85A8E9
• Base-36: 1WOXJOUZZ8Z6O6I1

Squares and roots of 421836990352557343090921

• 421836990352557343090921 squared (421836990352557343090921²) is 177946446429703556948039502102909381374072628241
• 421836990352557343090921 cubed (421836990352557343090921³) is 75064393405838721420981761139275036703318205176287793355585781095299961
• 421836990352557343090921 is a perfect square number. Its square root is 649489792339
• The cube root of 421836990352557343090921 is 74997747.5087989649

Scales and comparisons

• 421,836,990,352,557,343,090,921 seconds is equal to 293,274,701,009 years, 3 weeks, 3 days, 15 hours, 30 minutes, 7 seconds.
• To count from 1 to 421,836,990,352,557,343,090,921 would take you about two hundred ninety-three billion, two hundred seventy-four million, seven hundred one thousand and 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 421836990352557343090921 cubic inches would be around 6249812.3 feet tall.

Recreational maths with 421836990352557343090921

• 421836990352557343090921 backwards is 129090343755253099638124
• The number of decimal digits it has is: 24
• The sum of 421836990352557343090921's digits is 100
• More coming soon!