121489193979

Names of 121489193979

• Cardinal: 121489193979 can be written as One hundred twenty-one billion, four hundred eighty-nine million, one hundred ninety-three thousand, nine hundred seventy-nine.

Scientific notation

• Scientific notation: 1.21489193979 × 10¹¹

Factors of 121489193979

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 144

Divisors of 121489193979

• Number of divisors d(n): 96
• Complete list of divisors:
  1 3 9 27 29 53 59 87 159 177 261 477 531 783 841 1431 1537 1593 1711 2523 3127 3481 4611 5133 7569 9381 10443 13833 15399 22707 24389 28143 31329 41499 44573 46197 49619 73167 84429 90683 93987 100949 133719 148857 184493 219501 272049 302847 401157 446571 553479 658503 816147 908541 1203471 1292617 1339713 1438951 1660437 2448441 2629807 2725623 2927521 3877851 4316853 4981311 5350297 7889421 8782563 11633553 12950559 16050891 23668263 26347689 34900659 38851677 48152673 71004789 76264403 79043067 84898109 144458019 155158613 228793209 254694327 465475839 686379627 764082981 1396427517 2059138881 2292248943 4189282551 4499599777 13498799331 40496397993 121489193979
• Sum of all divisors σ(n): 193202625600
• Sum of proper divisors (its aliquot sum) s(n): 71713431621
• 121489193979 is a deficient number, because the sum of its proper divisors (71713431621) is less than itself. Its deficiency is 49775762358

Bases of 121489193979

• Binary: 1110001001001010100011111101111111011₂
• Hexadecimal: 0x1C4951FBFB
• Base-36: 1JT7J20R

Squares and roots of 121489193979

• 121489193979 squared (121489193979²) is 14759624253667089852441
• 121489193979 cubed (121489193979³) is 1793134854010914181171627135652739
• The square root of 121489193979 is 348553.0002438653
• The cube root of 121489193979 is 4952.7440348521

Scales and comparisons

• 121,489,193,979 seconds is equal to 3,862 years, 50 weeks, 6 days, 22 hours, 19 minutes, 39 seconds.
• To count from 1 to 121,489,193,979 would take you about seven thousand, seven hundred twenty-five 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 121489193979 cubic inches would be around 412.7 feet tall.

Recreational maths with 121489193979

• 121489193979 backwards is 979391984121
• The number of decimal digits it has is: 12
• The sum of 121489193979's digits is 63
• More coming soon!