21191323350615201

Names of 21191323350615201

• Cardinal: 21191323350615201 can be written as Twenty-one quadrillion, one hundred ninety-one trillion, three hundred twenty-three billion, three hundred fifty million, six hundred fifteen thousand, two hundred one.

Scientific notation

• Scientific notation: 2.1191323350615201 × 10¹⁶

Factors of 21191323350615201

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 7016

Divisors of 21191323350615201

• Number of divisors d(n): 135
• Complete list of divisors:
  1 3 7 9 21 27 49 63 81 147 189 347 441 567 1041 1323 2429 3123 3969 6659 7287 9369 17003 19977 21861 28107 46613 51009 59931 65583 120409 139839 153027 179793 196749 326291 361227 419517 459081 539379 842863 978873 1083681 1258551 1377243 2310673 2528589 2936619 3251043 3775653 5900041 6932019 7585767 8809857 9753129 16174711 17700123 20796057 22757301 26429571 44342281 48524133 53100369 62388171 68271903 113222977 133026843 145572399 159301107 187164513 310395967 339668931 399080529 436717197 477903321 801803531 931187901 1019006793 1197241587 1310151591 2172771769 2405410593 2793563703 3057020379 3591724761 5612624717 6518315307 7216231779 8380691109 9171061137 15386771507 16837874151 19554945921 21648695337 25142073327 39288373019 46160314521 50513622453 58664837763 64946086011 107707400549 117865119057 138480943563 151540867359 175994513289 323122201647 353595357171 415442830689 454622602077 753951803843 969366604941 1060786071513 1246328492067 2261855411529 2908099814823 3182358214539 5339209712929 6785566234587 8724299444469 16017629138787 20356698703761 37374467990503 48052887416361 61070096111283 112123403971509 144158662249083 261621275933521 336370211914527 432475986747249 784863827800563 1009110635743581 2354591483401689 3027331907230743 7063774450205067 21191323350615201
• Sum of all divisors σ(n): 36936504636320289
• Sum of proper divisors (its aliquot sum) s(n): 15745181285705088
• 21191323350615201 is a deficient number, because the sum of its proper divisors (15745181285705088) is less than itself. Its deficiency is 5446142064910113

Bases of 21191323350615201

• Binary: 1001011010010010110010101110100101000100100010010100001₂
• Hexadecimal: 0x4B496574A244A1
• Base-36: 5SNP3JV7929

Squares and roots of 21191323350615201

• 21191323350615201 squared (21191323350615201²) is 449072185350329069132865172270401
• 21191323350615201 cubed (21191323350615201³) is 9516433887526225990398757771195129012009272965601
• 21191323350615201 is a perfect square number. Its square root is 145572399
• The cube root of 21191323350615201 is 276727.7377588055

Scales and comparisons

• 21,191,323,350,615,201 seconds is equal to 673,818,533 years, 25 weeks, 16 hours, 13 minutes, 21 seconds.
• To count from 1 to 21,191,323,350,615,201 would take you about two billion, twenty-one million, four hundred fifty-five thousand, six 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 21191323350615201 cubic inches would be around 23060.6 feet tall.

Recreational maths with 21191323350615201

• 21191323350615201 backwards is 10251605332319112
• The number of decimal digits it has is: 17
• The sum of 21191323350615201's digits is 45
• More coming soon!