121839391425

Names of 121839391425

• Cardinal: 121839391425 can be written as One hundred twenty-one billion, eight hundred thirty-nine million, three hundred ninety-one thousand, four hundred twenty-five.

Scientific notation

• Scientific notation: 1.21839391425 × 10¹¹

Factors of 121839391425

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 174

Divisors of 121839391425

• Number of divisors d(n): 216
• Complete list of divisors:
  1 3 5 15 17 25 29 37 51 75 83 85 87 111 145 185 249 255 415 425 435 493 555 629 725 841 925 1073 1245 1275 1369 1411 1479 1887 2075 2175 2407 2465 2523 2775 3071 3145 3219 4107 4205 4233 5365 6225 6845 7055 7221 7395 9213 9435 12035 12325 12615 14297 15355 15725 16095 18241 20535 21025 21165 23273 26825 31117 34225 35275 36105 36975 39701 40919 42891 46065 47175 52207 54723 60175 63075 69803 69819 71485 76775 80475 89059 91205 93351 102675 105825 113627 116365 119103 122757 155585 156621 180525 198505 204595 209409 214455 230325 261035 267177 273615 340881 349015 349095 357425 445295 456025 466755 528989 568135 581825 595515 613785 674917 777925 783105 992525 1022975 1047045 1072275 1151329 1186651 1305175 1335885 1368075 1514003 1586967 1704405 1745075 1745475 1931659 2024751 2226475 2333775 2582711 2644945 2840675 2977575 3068925 3295183 3374585 3453987 3559953 3915525 4542009 5235225 5756645 5794977 5933255 6679425 7570015 7748133 7934835 8522025 9658295 9885549 10123755 12913555 13224725 16475915 16872925 17269935 17799765 19572593 22710045 28783225 28974885 29666275 37850075 38740665 39674175 43906087 48291475 49427745 50618775 56018111 58717779 64567775 82379575 86349675 88998825 95560307 97862965 113550225 131718261 144874425 168054333 193703325 219530435 247138725 280090555 286680921 293588895 477801535 489314825 658591305 840271665 1097652175 1400452775 1433404605 1467944475 1624525219 2389007675 3292956525 4201358325 4873575657 7167023025 8122626095 24367878285 40613130475 121839391425
• Sum of all divisors σ(n): 229765981536
• Sum of proper divisors (its aliquot sum) s(n): 107926590111
• 121839391425 is a deficient number, because the sum of its proper divisors (107926590111) is less than itself. Its deficiency is 13912801314

Bases of 121839391425

• Binary: 1110001011110001100011001001011000001₂
• Hexadecimal: 0x1C5E3192C1
• Base-36: 1JZ0103L

Squares and roots of 121839391425

• 121839391425 squared (121839391425²) is 14844837302814363530625
• 121839391425 cubed (121839391425³) is 1808685942778040492320064349890625
• The square root of 121839391425 is 349054.9977080975
• The cube root of 121839391425 is 4957.4982970471

Scales and comparisons

• 121,839,391,425 seconds is equal to 3,874 years, 6 weeks, 3 hours, 23 minutes, 45 seconds.
• To count from 1 to 121,839,391,425 would take you about seven thousand, seven hundred forty-eight 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 121839391425 cubic inches would be around 413.1 feet tall.

Recreational maths with 121839391425

• 121839391425 backwards is 524193938121
• The number of decimal digits it has is: 12
• The sum of 121839391425's digits is 48
• More coming soon!