21273369208

Names of 21273369208

• Cardinal: 21273369208 can be written as Twenty-one billion, two hundred seventy-three million, three hundred sixty-nine thousand, two hundred eight.

Scientific notation

• Scientific notation: 2.1273369208 × 10¹⁰

Factors of 21273369208

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 181546

Divisors of 21273369208

• Number of divisors d(n): 96
• Complete list of divisors:
  1 2 4 7 8 13 14 23 26 28 46 49 52 56 91 92 98 104 161 182 184 196 299 322 364 392 598 637 644 728 1127 1196 1274 1288 2093 2254 2392 2548 4186 4508 5096 8372 9016 14651 16744 29302 58604 117208 181501 363002 726004 1270507 1452008 2359513 2541014 4174523 4719026 5082028 8349046 8893549 9438052 10164056 16516591 16698092 17787098 18876104 29221661 33033182 33396184 35574196 54268799 58443322 66066364 71148392 108537598 115616137 116886644 132132728 204551627 217075196 231232274 233773288 379881593 409103254 434150392 462464548 759763186 818206508 924929096 1519526372 1636413016 2659171151 3039052744 5318342302 10636684604 21273369208
• Sum of all divisors σ(n): 52141894560
• Sum of proper divisors (its aliquot sum) s(n): 30868525352
• 21273369208 is an abundant number, because the sum of its proper divisors (30868525352) is greater than itself. Its abundance is 9595156144

Bases of 21273369208

• Binary: 10011110011111111011101101001111000₂
• Hexadecimal: 0x4F3FDDA78
• Base-36: 9RTM4QG

Squares and roots of 21273369208

• 21273369208 squared (21273369208²) is 452556237459882547264
• 21273369208 cubed (21273369208³) is 9627395926867401516262582246912
• The square root of 21273369208 is 145853.9310680381
• The cube root of 21273369208 is 2770.8441087621

Scales and comparisons

• 21,273,369,208 seconds is equal to 676 years, 22 weeks, 1 day, 13 hours, 13 minutes, 28 seconds.
• To count from 1 to 21,273,369,208 would take you about one thousand, three hundred fifty-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 21273369208 cubic inches would be around 230.9 feet tall.

Recreational maths with 21273369208

• 21273369208 backwards is 80296337212
• The number of decimal digits it has is: 11
• The sum of 21273369208's digits is 43
• More coming soon!