121221807707

Names of 121221807707

• Cardinal: 121221807707 can be written as One hundred twenty-one billion, two hundred twenty-one million, eight hundred seven thousand, seven hundred seven.

Scientific notation

• Scientific notation: 1.21221807707 × 10¹¹

Factors of 121221807707

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 312

Divisors of 121221807707

• Number of divisors d(n): 192
• Complete list of divisors:
  1 7 11 13 17 49 53 77 91 119 143 169 187 211 221 343 371 539 583 637 689 833 901 1001 1183 1309 1477 1547 1859 2321 2431 2597 2743 2873 3587 3773 4081 4459 4823 5831 6307 7007 7579 8281 8957 9163 9911 10339 10829 11183 11713 13013 16247 17017 18179 19201 20111 25109 28567 30173 31603 33761 35659 39457 44149 46631 49049 53053 57967 62699 64141 69377 72373 75803 78281 81991 91091 98527 113729 119119 123013 128843 134407 140777 145379 152269 175763 190111 199969 211211 221221 236327 249613 276199 309043 326417 371371 392249 438893 485639 512941 547967 573937 606203 637637 689689 796103 833833 861091 901901 940849 985439 1017653 1065883 1230341 1330777 1478477 1548547 1599169 1674959 1747291 1889927 1933393 2091221 2284919 2471443 2599597 2745743 3072251 3399473 3590587 3835769 4017559 4243421 4827823 6027637 6313307 6668233 7123571 7461181 9315439 10349339 10839829 11194183 11724713 12231037 13229489 13533751 14638547 15994433 17300101 19220201 20789197 25134109 27185873 29703947 32128759 33794761 42193459 44193149 46677631 49864997 52228267 65208073 78359281 82072991 92606423 102469829 121100707 134541407 145524379 175938763 190301111 207927629 224901313 326743417 353416349 548514967 574510937 648244961 717288803 847704949 1018670653 1332107777 1574309191 2287203919 2473914443 7130694571 9324754439 11020164337 17317401101 121221807707
• Sum of all divisors σ(n): 181006617600
• Sum of proper divisors (its aliquot sum) s(n): 59784809893
• 121221807707 is a deficient number, because the sum of its proper divisors (59784809893) is less than itself. Its deficiency is 61436997814

Bases of 121221807707

• Binary: 1110000111001011000011111111001011011₂
• Hexadecimal: 0x1C3961FE5B
• Base-36: 1JOSC1GB

Squares and roots of 121221807707

• 121221807707 squared (121221807707²) is 14694726663752884597849
• 121221807707 cubed (121221807707³) is 1781321329940377823687013503822243
• The square root of 121221807707 is 348169.2228026481
• The cube root of 121221807707 is 4949.1078582233

Scales and comparisons

• 121,221,807,707 seconds is equal to 3,854 years, 24 weeks, 6 days, 4 hours, 21 minutes, 47 seconds.
• To count from 1 to 121,221,807,707 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 121221807707 cubic inches would be around 412.4 feet tall.

Recreational maths with 121221807707

• 121221807707 backwards is 707708122121
• The number of decimal digits it has is: 12
• The sum of 121221807707's digits is 38
• More coming soon!