121621513685190

Names of 121621513685190

• Cardinal: 121621513685190 can be written as One hundred twenty-one trillion, six hundred twenty-one billion, five hundred thirteen million, six hundred eighty-five thousand, one hundred ninety.

Scientific notation

• Scientific notation: 1.2162151368519 × 10¹⁴

Factors of 121621513685190

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 1483

Divisors of 121621513685190

• Number of divisors d(n): 144
• Complete list of divisors:
  1 2 3 5 6 10 15 30 53 106 159 233 265 318 466 530 699 795 1165 1187 1398 1590 2330 2374 3495 3561 5935 6990 7122 11870 12349 17805 24698 35610 37047 54289 61745 62911 74094 108578 123490 125822 162867 185235 188733 271445 276571 314555 325734 370470 377466 542890 553142 629110 814335 829713 943665 1382855 1408969 1628670 1659426 1887330 2765710 2817938 2877317 4148565 4226907 5754634 7044845 8297130 8453814 8631951 14089690 14386585 14658263 17263902 21134535 28773170 29316526 42269070 43159755 43974789 64441043 73291315 74675357 86319510 87949578 128882086 146582630 149350714 193323129 219873945 224026071 322205215 328289777 373376785 386646258 439747890 448052142 644410430 656579554 746753570 966615645 984869331 1120130355 1641448885 1933231290 1969738662 2240260710 3282897770 3415375279 4924346655 6830750558 9848693310 10246125837 17076876395 17399358181 20492251674 34153752790 34798716362 51230629185 52198074543 76491518041 86996790905 102461258370 104396149086 152983036082 173993581810 229474554123 260990372715 382457590205 458949108246 521980745430 764915180410 1147372770615 2294745541230 4054050456173 8108100912346 12162151368519 20270252280865 24324302737038 40540504561730 60810756842595 121621513685190
• Sum of all divisors σ(n): 298932729551568
• Sum of proper divisors (its aliquot sum) s(n): 177311215866378
• 121621513685190 is an abundant number, because the sum of its proper divisors (177311215866378) is greater than itself. Its abundance is 55689702181188

Bases of 121621513685190

• Binary: 11011101001110100110111000111101100100011000110₂
• Hexadecimal: 0x6E9D371EC8C6
• Base-36: 17405H2NK6

Squares and roots of 121621513685190

• 121621513685190 squared (121621513685190²) is 14791792591076858454425336100
• 121621513685190 cubed (121621513685190³) is 1799000205044146189994003566403215342359000
• The square root of 121621513685190 is 11028214.4377587255
• The cube root of 121621513685190 is 49545.4147278363

Scales and comparisons

• 121,621,513,685,190 seconds is equal to 3,867,187 years, 48 weeks, 4 days, 9 hours, 26 minutes, 30 seconds.
• To count from 1 to 121,621,513,685,190 would take you about nine million, six hundred sixty-seven thousand, nine hundred sixty-nine 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 121621513685190 cubic inches would be around 4128.8 feet tall.

Recreational maths with 121621513685190

• 121621513685190 backwards is 091586315126121
• The number of decimal digits it has is: 15
• The sum of 121621513685190's digits is 51
• More coming soon!