642821966703

Names of 642821966703

• Cardinal: 642821966703 can be written as Six hundred forty-two billion, eight hundred twenty-one million, nine hundred sixty-six thousand, seven hundred three.

Scientific notation

• Scientific notation: 6.42821966703 × 10¹¹

Factors of 642821966703

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 249

Divisors of 642821966703

• Number of divisors d(n): 240
• Complete list of divisors:
  1 3 7 9 21 23 27 49 63 69 81 89 127 147 161 189 207 267 343 381 441 483 567 621 623 801 889 1029 1127 1143 1323 1449 1863 1869 2047 2403 2667 2921 3087 3381 3429 3969 4347 4361 5607 6141 6223 7209 7889 7921 8001 8763 9261 10143 10287 11303 13041 13083 14329 16821 18423 18669 20447 23667 23763 24003 26289 27783 30429 30527 33909 39249 42987 43561 50463 55269 55447 56007 61341 71001 71289 72009 78867 79121 91287 91581 100303 101727 117747 128961 130683 143129 165807 166341 168021 182183 184023 213003 213867 236601 237363 259969 274743 300909 305181 353241 386883 388129 392049 429387 499023 504063 546549 552069 553847 639009 641601 702121 712089 779907 824229 902727 915543 1001903 1005967 1160649 1164387 1176147 1275281 1288161 1497069 1639647 1656207 1661541 1819783 2106363 2136267 2339721 2472687 2708181 2716903 3005709 3017901 3493161 3528441 3825843 3864483 3876929 4491207 4918941 4984623 5459349 6319089 6408801 7019163 7041769 8124543 8150709 8926967 9017127 9053703 10479483 11477529 11593449 11630787 12738481 14756823 14953869 16378047 18957267 21057489 21125307 23137241 24452127 26780901 27051381 27161109 31438449 34432587 34892361 38215443 44861607 49134141 49292383 56871801 62488769 63375921 69411723 73356381 80342703 81154143 81483327 89169367 103297761 104677083 114646329 147402423 147877149 161960687 187466307 190127763 208235169 220069143 241028109 267508101 314031249 343938987 345046681 443631447 485882061 562398921 570383289 624705507 723084327 802524303 1031816961 1035140043 1133724809 1330894341 1457646183 1687196763 1874116521 2407572909 3105420129 3401174427 3992683023 4372938549 5061590289 7222718727 7936073663 9316260387 10203523281 13118815647 23808220989 27948781161 30610569843 71424662967 91831709529 214273988901 642821966703
• Sum of all divisors σ(n): 1191113932800
• Sum of proper divisors (its aliquot sum) s(n): 548291966097
• 642821966703 is a deficient number, because the sum of its proper divisors (548291966097) is less than itself. Its deficiency is 94530000606

Bases of 642821966703

• Binary: 1001010110101011001011001100101101101111₂
• Hexadecimal: 0x95AB2CCB6F
• Base-36: 87B3LNXR

Squares and roots of 642821966703

• 642821966703 squared (642821966703²) is 413220080875912840690209
• 642821966703 cubed (642821966703³) is 265626945069827011152891673336110927
• The square root of 642821966703 is 801761.7892510219
• The cube root of 642821966703 is 8630.3863204073

Scales and comparisons

• 642,821,966,703 seconds is equal to 20,439 years, 39 weeks, 1 hour, 25 minutes, 3 seconds.
• To count from 1 to 642,821,966,703 would take you about forty thousand, eight hundred seventy-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 642821966703 cubic inches would be around 719.2 feet tall.

Recreational maths with 642821966703

• 642821966703 backwards is 307669128246
• The number of decimal digits it has is: 12
• The sum of 642821966703's digits is 54
• More coming soon!