19621468321

Names of 19621468321

• Cardinal: 19621468321 can be written as Nineteen billion, six hundred twenty-one million, four hundred sixty-eight thousand, three hundred twenty-one.

Scientific notation

• Scientific notation: 1.9621468321 × 10¹⁰

Factors of 19621468321

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 311

Divisors of 19621468321

• Number of divisors d(n): 96
• Complete list of divisors:
  1 7 13 19 31 49 91 133 217 241 247 343 403 589 637 931 961 1519 1687 1729 2821 3133 4123 4459 4579 6517 6727 7471 7657 10633 11809 12103 12493 18259 19747 21931 28861 32053 47089 52297 53599 59527 82663 84721 87451 97123 127813 138229 141949 153517 202027 224371 231601 237367 329623 366079 375193 416689 612157 679861 894691 993643 1074619 1570597 1621207 1661569 1845337 2562553 2626351 2916823 3010813 4285099 4400419 4759027 6262837 6955501 11348449 11630983 12917359 20417761 21075691 30802933 33313189 48688507 57205447 79439143 81416881 90421513 147529837 215620531 400438129 632950591 1032708859 1509343717 2803066903 19621468321
• Sum of all divisors σ(n): 26914272000
• Sum of proper divisors (its aliquot sum) s(n): 7292803679
• 19621468321 is a deficient number, because the sum of its proper divisors (7292803679) is less than itself. Its deficiency is 12328664642

Bases of 19621468321

• Binary: 10010010001100001111101100010100001₂
• Hexadecimal: 0x49187D8A1
• Base-36: 90I45UP

Squares and roots of 19621468321

• 19621468321 squared (19621468321²) is 385002019072006559041
• 19621468321 cubed (19621468321³) is 7554304920742414516127197640161
• The square root of 19621468321 is 140076.6515911913
• The cube root of 19621468321 is 2697.1835432403

Scales and comparisons

• 19,621,468,321 seconds is equal to 623 years, 46 weeks, 6 days, 7 hours, 52 minutes, 1 second.
• To count from 1 to 19,621,468,321 would take you about one thousand, two hundred forty-seven 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 19621468321 cubic inches would be around 224.8 feet tall.

Recreational maths with 19621468321

• 19621468321 backwards is 12386412691
• The number of decimal digits it has is: 11
• The sum of 19621468321's digits is 43
• More coming soon!