121685105129055

Names of 121685105129055

• Cardinal: 121685105129055 can be written as One hundred twenty-one trillion, six hundred eighty-five billion, one hundred five million, one hundred twenty-nine thousand and fifty-five.

Scientific notation

• Scientific notation: 1.21685105129055 × 10¹⁴

Factors of 121685105129055

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 19057

Divisors of 121685105129055

• Number of divisors d(n): 128
• Complete list of divisors:
  1 3 5 13 15 31 39 65 93 155 195 403 465 757 1209 1597 2015 2271 3785 4791 6045 7985 9841 11355 16651 20761 23467 23955 29523 49205 49507 49953 62283 70401 83255 103805 117335 147615 148521 216463 247535 249765 305071 311415 352005 516181 643591 649389 742605 915213 1082315 1208929 1525355 1548543 1930773 2580905 3217955 3246945 3626787 4576065 6044645 6710353 7742715 9653865 12604807 15716077 18133935 20131059 26591647 33551765 37476799 37814421 47148231 63024035 78580385 79774941 100655295 112430397 132958235 163862491 187383995 189072105 235741155 345691411 390749017 398874705 487198387 491587473 562151985 819312455 824341057 1037074233 1172247051 1461595161 1728457055 1953745085 2435991935 2457937365 2473023171 4121705285 5079737221 5185371165 5861235255 7307975805 10716433741 12365115855 15239211663 20129876779 25398686105 32149301223 53582168705 60389630337 76196058315 100649383895 160746506115 261688398127 301948151685 624026180149 785065194381 1308441990635 1872078540447 3120130900745 3925325971905 8112340341937 9360392702235 24337021025811 40561701709685 121685105129055
• Sum of all divisors σ(n): 216871078158336
• Sum of proper divisors (its aliquot sum) s(n): 95185973029281
• 121685105129055 is a deficient number, because the sum of its proper divisors (95185973029281) is less than itself. Its deficiency is 26499132099774

Bases of 121685105129055

• Binary: 11011101010110000000101011101110011011001011111₂
• Hexadecimal: 0x6EAC0577365F
• Base-36: 174TD5RZOF

Squares and roots of 121685105129055

• 121685105129055 squared (121685105129055²) is 14807264810269167468205193025
• 121685105129055 cubed (121685105129055³) is 1801823575111360281720420482401613810841375
• The square root of 121685105129055 is 11031097.1860941829
• The cube root of 121685105129055 is 49554.0483853775

Scales and comparisons

• 121,685,105,129,055 seconds is equal to 3,869,209 years, 49 weeks, 1 day, 11 hours, 24 minutes, 15 seconds.
• To count from 1 to 121,685,105,129,055 would take you about nine million, six hundred seventy-three thousand and twenty-four 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 121685105129055 cubic inches would be around 4129.5 feet tall.

Recreational maths with 121685105129055

• 121685105129055 backwards is 550921501586121
• The number of decimal digits it has is: 15
• The sum of 121685105129055's digits is 51
• More coming soon!