1221139684980

Names of 1221139684980

• Cardinal: 1221139684980 can be written as One trillion, two hundred twenty-one billion, one hundred thirty-nine million, six hundred eighty-four thousand, nine hundred eighty.

Scientific notation

• Scientific notation: 1.22113968498 × 10¹²

Factors of 1221139684980

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 753789939

Divisors of 1221139684980

• Number of divisors d(n): 60
• Complete list of divisors:
  1 2 3 4 5 6 9 10 12 15 18 20 27 30 36 45 54 60 81 90 108 135 162 180 270 324 405 540 810 1620 753789929 1507579858 2261369787 3015159716 3768949645 4522739574 6784109361 7537899290 9045479148 11306848935 13568218722 15075798580 20352328083 22613697870 27136437444 33920546805 40704656166 45227395740 61056984249 67841093610 81409312332 101761640415 122113968498 135682187220 203523280830 244227936996 305284921245 407046561660 610569842490 1221139684980
• Sum of all divisors σ(n): 3830760424260
• Sum of proper divisors (its aliquot sum) s(n): 2609620739280
• 1221139684980 is an abundant number, because the sum of its proper divisors (2609620739280) is greater than itself. Its abundance is 1388481054300

Bases of 1221139684980

• Binary: 10001110001010001100110001101111001110100₂
• Hexadecimal: 0x11C5198DE74
• Base-36: FKZF1F90

Squares and roots of 1221139684980

• 1221139684980 squared (1221139684980²) is 1491182130233053637600400
• 1221139684980 cubed (1221139684980³) is 1820941676760596453002795539121992000
• The square root of 1221139684980 is 1105051.8924376357
• The cube root of 1221139684980 is 10688.6235536059

Scales and comparisons

• 1,221,139,684,980 seconds is equal to 38,828 years, 24 weeks, 1 day, 4 hours, 3 minutes.
• To count from 1 to 1,221,139,684,980 would take you about ninety-seven thousand and seventy-one 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 1221139684980 cubic inches would be around 890.7 feet tall.

Recreational maths with 1221139684980

• 1221139684980 backwards is 0894869311221
• 1221139684980 is a Harshad number.
• The number of decimal digits it has is: 13
• The sum of 1221139684980's digits is 54
• More coming soon!