121537565788601986

Names of 121537565788601986

• Cardinal: 121537565788601986 can be written as One hundred twenty-one quadrillion, five hundred thirty-seven trillion, five hundred sixty-five billion, seven hundred eighty-eight million, six hundred one thousand, nine hundred eighty-six.

Scientific notation

• Scientific notation: 1.21537565788601986 × 10¹⁷

Factors of 121537565788601986

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 5
• Sum of prime factors: 3491001726

Divisors of 121537565788601986

• Number of divisors d(n): 32
• Complete list of divisors:
  1 2 23 46 47 94 1081 2162 16103 32206 370369 740738 756841 1513682 17407343 34814686 3490985551 6981971102 80292667673 160585335346 164076320897 328152641794 3773755380631 7547510761262 56215340327753 112430680655506 1292952827538319 2585905655076638 2642120995404391 5284241990808782 60768782894300993 121537565788601986
• Sum of all divisors σ(n): 194292281074434048
• Sum of proper divisors (its aliquot sum) s(n): 72754715285832062
• 121537565788601986 is a deficient number, because the sum of its proper divisors (72754715285832062) is less than itself. Its deficiency is 48782850502769924

Bases of 121537565788601986

• Binary: 110101111110010011100010110101011101100011111111010000010₂
• Hexadecimal: 0x1AFC9C5ABB1FE82
• Base-36: X8PGYXJKRCY

Squares and roots of 121537565788601986

• 121537565788601986 squared (121537565788601986²) is 14771379897818755887101272323144196
• 121537565788601986 cubed (121537565788601986³) is 1795277556119579925228051507174093862881086729973256
• The square root of 121537565788601986 is 348622382.7992144083
• The cube root of 121537565788601986 is 495340.1271364793

Scales and comparisons

• 121,537,565,788,601,986 seconds is equal to 3,864,518,651 years, 36 weeks, 3 days, 22 hours, 19 minutes, 46 seconds.
• To count from 1 to 121,537,565,788,601,986 would take you about eleven billion, five hundred ninety-three million, five hundred fifty-five thousand, nine hundred fifty-five 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 121537565788601986 cubic inches would be around 41278.3 feet tall.

Recreational maths with 121537565788601986

• 121537565788601986 backwards is 689106887565735121
• The number of decimal digits it has is: 18
• The sum of 121537565788601986's digits is 88
• More coming soon!