80821655859

Names of 80821655859

• Cardinal: 80821655859 can be written as Eighty billion, eight hundred twenty-one million, six hundred fifty-five thousand, eight hundred fifty-nine.

Scientific notation

• Scientific notation: 8.0821655859 × 10¹⁰

Factors of 80821655859

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 251

Divisors of 80821655859

• Number of divisors d(n): 192
• Complete list of divisors:
  1 3 7 19 21 31 41 53 57 93 97 123 133 159 217 287 291 371 399 589 651 679 779 861 961 1007 1113 1271 1643 1767 1843 2037 2173 2337 2883 3007 3021 3813 3977 4123 4929 5141 5453 5529 6519 6727 7049 8897 9021 11501 11931 12369 12901 15211 15423 16359 18259 20181 21049 21147 24149 26691 27839 31217 34503 35987 38703 39401 41287 45633 50933 54777 57133 63147 67363 72447 75563 83517 93217 93651 97679 107961 118203 123287 123861 127813 152799 159371 169043 171399 202089 210781 218519 226689 275807 279651 289009 293037 356531 369861 383439 399931 471541 478113 507129 528941 632343 652519 655557 683753 748619 827421 863009 867027 967727 1069593 1115597 1199793 1279897 1414623 1475467 1586823 1771123 1957557 2051259 2088253 2245857 2342453 2589027 2903181 3028049 3346791 3821897 3839691 4004839 4426401 4940501 5240333 5313369 6264759 6534211 6774089 7027359 8959279 9084147 11465691 12014517 12397861 14617771 14821503 15720999 16397171 19602633 20322267 21196343 26753279 26877837 28033873 34583507 37193583 39676807 43853313 45739477 49191513 63589029 72616043 80259837 84101619 93869519 103750521 119030421 124150009 137218431 202560541 217848129 277737649 281608557 372450027 508312301 607681623 657086633 833212947 869050063 1417923787 1524936903 1971259899 2607150189 3848650279 4253771361 11545950837 26940551953 80821655859
• Sum of all divisors σ(n): 141253217280
• Sum of proper divisors (its aliquot sum) s(n): 60431561421
• 80821655859 is a deficient number, because the sum of its proper divisors (60431561421) is less than itself. Its deficiency is 20390094438

Bases of 80821655859

• Binary: 1001011010001010110001001100100110011₂
• Hexadecimal: 0x12D1589933
• Base-36: 114N4KS3

Squares and roots of 80821655859

• 80821655859 squared (80821655859²) is 6532140055790629027881
• 80821655859 cubed (80821655859³) is 527938375611899279448533898004779
• The square root of 80821655859 is 284291.4980420625
• The cube root of 80821655859 is 4323.5708619077

Scales and comparisons

• 80,821,655,859 seconds is equal to 2,569 years, 45 weeks, 4 days, 19 hours, 57 minutes, 39 seconds.
• To count from 1 to 80,821,655,859 would take you about five thousand, one hundred thirty-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 80821655859 cubic inches would be around 360.3 feet tall.

Recreational maths with 80821655859

• 80821655859 backwards is 95855612808
• 80821655859 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 80821655859's digits is 57
• More coming soon!