16139821797

Names of 16139821797

• Cardinal: 16139821797 can be written as Sixteen billion, one hundred thirty-nine million, eight hundred twenty-one thousand, seven hundred ninety-seven.

Scientific notation

• Scientific notation: 1.6139821797 × 10¹⁰

Factors of 16139821797

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 244

Divisors of 16139821797

• Number of divisors d(n): 72
• Complete list of divisors:
  1 3 9 11 33 99 103 121 127 309 363 381 927 1089 1133 1143 1331 1397 3399 3993 4191 10197 10609 11979 12463 12573 13081 15367 31827 37389 39243 46101 95481 112167 116699 117729 137093 138303 143891 169037 350097 411279 431673 507111 1050291 1233837 1283689 1295019 1347343 1521333 1582801 3851067 4042029 4748403 11553201 12126087 14120579 14245209 14820773 17410811 42361737 44462319 52232433 127085211 133386957 156697299 163028503 489085509 1467256527 1793313533 5379940599 16139821797
• Sum of all divisors σ(n): 26097896448
• Sum of proper divisors (its aliquot sum) s(n): 9958074651
• 16139821797 is a deficient number, because the sum of its proper divisors (9958074651) is less than itself. Its deficiency is 6181747146

Bases of 16139821797

• Binary: 1111000010000000100010001011100101₂
• Hexadecimal: 0x3C20222E5
• Base-36: 7EX8E79

Squares and roots of 16139821797

• 16139821797 squared (16139821797²) is 260493847638916309209
• 16139821797 cubed (16139821797³) is 4204324280106978432830210028573
• The square root of 16139821797 is 127042.5983558271
• The cube root of 16139821797 is 2527.1610057613

Scales and comparisons

• 16,139,821,797 seconds is equal to 513 years, 10 weeks, 1 day, 11 hours, 49 minutes, 57 seconds.
• To count from 1 to 16,139,821,797 would take you about one thousand and twenty-six 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 16139821797 cubic inches would be around 210.6 feet tall.

Recreational maths with 16139821797

• 16139821797 backwards is 79712893161
• The number of decimal digits it has is: 11
• The sum of 16139821797's digits is 54
• More coming soon!