121191271872

Names of 121191271872

• Cardinal: 121191271872 can be written as One hundred twenty-one billion, one hundred ninety-one million, two hundred seventy-one thousand, eight hundred seventy-two.

Scientific notation

• Scientific notation: 1.21191271872 × 10¹¹

Factors of 121191271872

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 164784

Divisors of 121191271872

• Number of divisors d(n): 112
• Complete list of divisors:
  1 2 3 4 6 8 11 12 16 22 24 32 33 44 48 64 66 88 96 132 176 192 264 349 352 528 698 704 1047 1056 1396 2094 2112 2792 3839 4188 5584 7678 8376 11168 11517 15356 16752 22336 23034 30712 33504 46068 61424 67008 92136 122848 164419 184272 245696 328838 368544 493257 657676 737088 986514 1315352 1808609 1973028 2630704 3617218 3946056 5261408 5425827 7234436 7892112 10522816 10851654 14468872 15784224 21703308 28937744 31568448 43406616 57382231 57875488 86813232 114764462 115750976 172146693 173626464 229528924 344293386 347252928 459057848 631204541 688586772 918115696 1262409082 1377173544 1836231392 1893613623 2524818164 2754347088 3672462784 3787227246 5049636328 5508694176 7574454492 10099272656 11017388352 15148908984 20198545312 30297817968 40397090624 60595635936 121191271872
• Sum of all divisors σ(n): 350806512000
• Sum of proper divisors (its aliquot sum) s(n): 229615240128
• 121191271872 is an abundant number, because the sum of its proper divisors (229615240128) is greater than itself. Its abundance is 108423968256

Bases of 121191271872

• Binary: 1110000110111100100000000110111000000₂
• Hexadecimal: 0x1C37900DC0
• Base-36: 1JOA5JUO

Squares and roots of 121191271872

• 121191271872 squared (121191271872²) is 14687324377953018384384
• 121191271872 cubed (121191271872³) is 1779975521760757533864895543246848
• The square root of 121191271872 is 348125.3680385847
• The cube root of 121191271872 is 4948.6922623963

Scales and comparisons

• 121,191,271,872 seconds is equal to 3,853 years, 26 weeks, 2 days, 18 hours, 11 minutes, 12 seconds.
• To count from 1 to 121,191,271,872 would take you about seven thousand, seven hundred seven 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 121191271872 cubic inches would be around 412.4 feet tall.

Recreational maths with 121191271872

• 121191271872 backwards is 278172191121
• The number of decimal digits it has is: 12
• The sum of 121191271872's digits is 42
• More coming soon!