21210468108199400

Names of 21210468108199400

• Cardinal: 21210468108199400 can be written as Twenty-one quadrillion, two hundred ten trillion, four hundred sixty-eight billion, one hundred eight million, one hundred ninety-nine thousand, four hundred.

Scientific notation

• Scientific notation: 2.12104681081994 × 10¹⁶

Factors of 21210468108199400

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 45801

Divisors of 21210468108199400

• Number of divisors d(n): 144
• Complete list of divisors:
  1 2 4 5 8 10 20 25 37 40 50 74 100 148 185 200 296 370 740 925 1369 1480 1850 2738 3700 5476 6845 7400 10952 13690 27380 34225 45757 50653 54760 68450 91514 101306 136900 183028 202612 228785 253265 273800 366056 405224 457570 506530 915140 1013060 1143925 1266325 1693009 1830280 2026120 2287850 2532650 3386018 4575700 5065300 6772036 8465045 9151400 10130600 13544072 16930090 33860180 42325225 62641333 67720360 84650450 125282666 169300900 250565332 313206665 338601800 501130664 626413330 1252826660 1566033325 2093703049 2317729321 2505653320 3132066650 4187406098 4635458642 6264133300 8374812196 9270917284 10468515245 11588646605 12528266600 16749624392 18541834568 20937030490 23177293210 41874060980 46354586420 52342576225 57943233025 77467012813 83748121960 92709172840 104685152450 115886466050 154934025626 209370304900 231772932100 309868051252 387335064065 418740609800 463545864200 619736102504 774670128130 1549340256260 1936675320325 2866279474081 3098680512520 3873350640650 5732558948162 7746701281300 11465117896324 14331397370405 15493402562600 22930235792648 28662794740810 57325589481620 71656986852025 106052340540997 114651178963240 143313973704050 212104681081994 286627947408100 424209362163988 530261702704985 573255894816200 848418724327976 1060523405409970 2121046810819940 2651308513524925 4242093621639880 5302617027049850 10605234054099700 21210468108199400
• Sum of all divisors σ(n): 50685261744975300
• Sum of proper divisors (its aliquot sum) s(n): 29474793636775900
• 21210468108199400 is an abundant number, because the sum of its proper divisors (29474793636775900) is greater than itself. Its abundance is 8264325528576500

Bases of 21210468108199400

• Binary: 1001011010110101100111011110001000110111110010111101000₂
• Hexadecimal: 0x4B5ACEF11BE5E8
• Base-36: 5SUHEJ5KB1K

Squares and roots of 21210468108199400

• 21210468108199400 squared (21210468108199400²) is 449883957368943834345510160360000
• 21210468108199400 cubed (21210468108199400³) is 9542249330164521649128045709874240524855784000000
• The square root of 21210468108199400 is 145638140.9803057051
• The cube root of 21210468108199400 is 276811.0468684811

Scales and comparisons

• 21,210,468,108,199,400 seconds is equal to 674,427,277 years, 28 weeks, 6 days, 2 hours, 3 minutes, 20 seconds.
• To count from 1 to 21,210,468,108,199,400 would take you about two billion, twenty-three million, two hundred eighty-one thousand, eight hundred thirty-two 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 21210468108199400 cubic inches would be around 23067.6 feet tall.

Recreational maths with 21210468108199400

• 21210468108199400 backwards is 00499180186401212
• The number of decimal digits it has is: 17
• The sum of 21210468108199400's digits is 56
• More coming soon!