121221057870

Names of 121221057870

• Cardinal: 121221057870 can be written as One hundred twenty-one billion, two hundred twenty-one million, fifty-seven thousand, eight hundred seventy.

Scientific notation

• Scientific notation: 1.2122105787 × 10¹¹

Factors of 121221057870

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 1761

Divisors of 121221057870

• Number of divisors d(n): 256
• Complete list of divisors:
  1 2 3 5 6 9 10 11 15 18 22 27 30 33 45 54 55 66 81 90 99 110 135 162 165 198 243 270 297 330 367 405 486 495 594 729 734 810 891 990 1101 1215 1373 1458 1485 1782 1835 2187 2202 2430 2673 2746 2970 3303 3645 3670 4037 4119 4374 4455 5346 5505 6606 6865 7290 8019 8074 8238 8910 9909 10935 11010 12111 12357 13365 13730 15103 16038 16515 19818 20185 20595 21870 24057 24222 24714 26730 29727 30206 33030 36333 37071 40095 40370 41190 45309 48114 49545 59454 60555 61785 72666 74142 75515 80190 89181 90618 99090 108999 111213 120285 121110 123570 135927 148635 151030 178362 181665 185355 217998 222426 226545 240570 267543 271854 297270 326997 333639 363330 370710 407781 445905 453090 503891 535086 544995 556065 653994 667278 679635 802629 815562 891810 980991 1000917 1007782 1089990 1112130 1223343 1337715 1359270 1511673 1605258 1634985 1668195 1961982 2001834 2038905 2446686 2519455 2675430 2942973 3002751 3023346 3269970 3336390 3670029 4013145 4077810 4535019 4904955 5004585 5038910 5542801 5885946 6005502 6116715 7340058 7558365 8026290 8828919 9070038 9809910 10009170 11010087 11085602 12233430 13605057 14714865 15013755 15116730 16628403 17657838 18350145 22020174 22675095 27210114 27714005 29429730 30027510 33030261 33256806 36700290 40815171 44144595 45350190 49885209 55050435 55428010 66060522 68025285 81630342 83142015 88289190 99770418 110100870 122445513 136050570 149655627 165151305 166284030 204075855 244891026 249426045 299311254 330302610 367336539 408151710 448966881 498852090 612227565 734673078 748278135 897933762 1102009617 1224455130 1346900643 1496556270 1836682695 2204019234 2244834405 2693801286 3673365390 4040701929 4489668810 5510048085 6734503215 8081403858 11020096170 12122105787 13469006430 20203509645 24244211574 40407019290 60610528935 121221057870
• Sum of all divisors σ(n): 358230159360
• Sum of proper divisors (its aliquot sum) s(n): 237009101490
• 121221057870 is an abundant number, because the sum of its proper divisors (237009101490) is greater than itself. Its abundance is 115788043620

Bases of 121221057870

• Binary: 1110000111001010101101000110101001110₂
• Hexadecimal: 0x1C39568D4E
• Base-36: 1JORVYVI

Squares and roots of 121221057870

• 121221057870 squared (121221057870²) is 14694544871121888936900
• 121221057870 cubed (121221057870³) is 1781288274195578190643667678403000
• The square root of 121221057870 is 348168.1459726033
• The cube root of 121221057870 is 4949.0976537011

Scales and comparisons

• 121,221,057,870 seconds is equal to 3,854 years, 23 weeks, 4 days, 12 hours, 4 minutes, 30 seconds.
• To count from 1 to 121,221,057,870 would take you about seven thousand, seven hundred 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 121221057870 cubic inches would be around 412.4 feet tall.

Recreational maths with 121221057870

• 121221057870 backwards is 078750122121
• The number of decimal digits it has is: 12
• The sum of 121221057870's digits is 36
• More coming soon!