6642438758601010320400

Names of 6642438758601010320400

• Cardinal: 6642438758601010320400 can be written as Six sextillion, six hundred forty-two quintillion, four hundred thirty-eight quadrillion, seven hundred fifty-eight trillion, six hundred one billion, ten million, three hundred twenty thousand, four hundred.

Scientific notation

• Scientific notation: 6.6424387586010103204 × 10²¹

Factors of 6642438758601010320400

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 3029

Divisors of 6642438758601010320400

• Number of divisors d(n): 135
• Complete list of divisors:
  1 2 4 5 8 10 16 20 25 40 50 80 100 200 400 941 1882 2081 3764 4162 4705 7528 8324 9410 10405 15056 16648 18820 20810 23525 33296 37640 41620 47050 52025 75280 83240 94100 104050 166480 188200 208100 376400 416200 832400 885481 1770962 1958221 3541924 3916442 4330561 4427405 7083848 7832884 8661122 8854810 9791105 14167696 15665768 17322244 17709620 19582210 21652805 22137025 31331536 34644488 35419240 39164420 43305610 44274050 48955525 69288976 70838480 78328840 86611220 88548100 97911050 108264025 156657680 173222440 177096200 195822100 216528050 346444880 354192400 391644200 433056100 783288400 866112200 1732224400 1842685961 3685371922 4075057901 7370743844 8150115802 9213429805 14741487688 16300231604 18426859610 20375289505 29482975376 32600463208 36853719220 40750579010 46067149025 65200926416 73707438440 81501158020 92134298050 101876447525 147414876880 163002316040 184268596100 203752895050 326004632080 368537192200 407505790100 737074384400 815011580200 1630023160400 3834629484841 7669258969682 15338517939364 19173147424205 30677035878728 38346294848410 61354071757456 76692589696820 95865737121025 153385179393640 191731474242050 306770358787280 383462948484100 766925896968200 1533851793936400
• Sum of all divisors σ(n): 6642440915522000539429
• Sum of proper divisors (its aliquot sum) s(n): 2156920990219029
• 6642438758601010320400 is a deficient number, because the sum of its proper divisors (2156920990219029) is less than itself. Its deficiency is 6642436601680020101371

Bases of 6642438758601010320400

• Binary: 1011010000001011001011011000010011100110001111011111001100001010000010000₂
• Hexadecimal: 0x168165B09CC7BE61410
• Base-36: 12XU4VS6JZ1HC0G

Squares and roots of 6642438758601010320400

• 6642438758601010320400 squared (6642438758601010320400²) is 44121992661764931056727129531627310656160000
• 6642438758601010320400 cubed (6642438758601010320400³) is 293077634163216735682735971874855117808959227360129055833664000000
• 6642438758601010320400 is a perfect square number. Its square root is 81501158020
• The cube root of 6642438758601010320400 is 18797893.5683194575

Scales and comparisons

• 6,642,438,758,601,010,320,400 seconds is equal to 293,274,701,009 years, 3 weeks, 3 days, 15 hours, 30 minutes, 7 seconds.
• To count from 1 to 6,642,438,758,601,010,320,400 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 6642438758601010320400 cubic inches would be around 1566491.1 feet tall.

Recreational maths with 6642438758601010320400

• 6642438758601010320400 backwards is 0040230101068578342466
• The number of decimal digits it has is: 22
• The sum of 6642438758601010320400's digits is 70
• More coming soon!