121655921040

Names of 121655921040

• Cardinal: 121655921040 can be written as One hundred twenty-one billion, six hundred fifty-five million, nine hundred twenty-one thousand and forty.

Scientific notation

• Scientific notation: 1.2165592104 × 10¹¹

Factors of 121655921040

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 5826472

Divisors of 121655921040

• Number of divisors d(n): 120
• Complete list of divisors:
  1 2 3 4 5 6 8 9 10 12 15 16 18 20 24 29 30 36 40 45 48 58 60 72 80 87 90 116 120 144 145 174 180 232 240 261 290 348 360 435 464 522 580 696 720 870 1044 1160 1305 1392 1740 2088 2320 2610 3480 4176 5220 6960 10440 20880 5826433 11652866 17479299 23305732 29132165 34958598 46611464 52437897 58264330 69917196 87396495 93222928 104875794 116528660 139834392 168966557 174792990 209751588 233057320 262189485 279668784 337933114 349585980 419503176 466114640 506899671 524378970 675866228 699171960 839006352 844832785 1013799342 1048757940 1351732456 1398343920 1520699013 1689665570 2027598684 2097515880 2534498355 2703464912 3041398026 3379331140 4055197368 4195031760 5068996710 6082796052 6758662280 7603495065 8110394736 10137993420 12165592104 13517324560 15206990130 20275986840 24331184208 30413980260 40551973680 60827960520 121655921040
• Sum of all divisors σ(n): 422649522360
• Sum of proper divisors (its aliquot sum) s(n): 300993601320
• 121655921040 is an abundant number, because the sum of its proper divisors (300993601320) is greater than itself. Its abundance is 179337680280

Bases of 121655921040

• Binary: 1110001010011010000100000100110010000₂
• Hexadecimal: 0x1C53420990
• Base-36: 1JVYSLG0

Squares and roots of 121655921040

• 121655921040 squared (121655921040²) is 14800163124090714681600
• 121655921040 cubed (121655921040³) is 1800527476403499707101898340864000
• The square root of 121655921040 is 348792.0885570657
• The cube root of 121655921040 is 4955.0086505273

Scales and comparisons

• 121,655,921,040 seconds is equal to 3,868 years, 14 weeks, 4 days, 15 hours, 24 minutes.
• To count from 1 to 121,655,921,040 would take you about seven thousand, seven hundred thirty-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 121655921040 cubic inches would be around 412.9 feet tall.

Recreational maths with 121655921040

• 121655921040 backwards is 040129556121
• 121655921040 is a Harshad number.
• The number of decimal digits it has is: 12
• The sum of 121655921040's digits is 36
• More coming soon!