165385821450987

Names of 165385821450987

• Cardinal: 165385821450987 can be written as One hundred sixty-five trillion, three hundred eighty-five billion, eight hundred twenty-one million, four hundred fifty thousand, nine hundred eighty-seven.

Scientific notation

• Scientific notation: 1.65385821450987 × 10¹⁴

Factors of 165385821450987

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 82

Divisors of 165385821450987

• Number of divisors d(n): 140
• Complete list of divisors:
  1 3 9 17 19 27 43 51 57 81 129 153 171 323 387 459 513 731 817 969 1161 1377 1539 1849 2193 2451 2907 3483 5547 6579 7353 8721 13889 16641 19737 22059 26163 31433 35131 41667 49923 59211 66177 79507 94299 105393 125001 149769 238521 282897 316179 375003 597227 715563 848691 948537 1125009 1351619 1510633 1791681 2146689 2546073 2845611 3418801 4054857 4531899 5375043 6440067 10256403 12164571 13595697 16125129 25680761 30769209 36493713 40787091 48375387 58119617 64957219 77042283 92307627 109481139 122361273 147008443 174358851 194871657 231126849 276922881 441025329 523076553 584614971 693380547 1104272723 1323075987 1569229659 1753844913 2080141641 2499143531 2793160417 3312818169 3969227961 4707688977 5261534739 6321363049 7497430593 8379481251 9938454507 11907683883 18964089147 22492291779 25138443753 29815363521 47483727089 56892267441 67476875337 75415331259 89446090563 107463171833 120105897931 142451181267 170676802323 202430626011 226245993777 322389515499 360317693793 427353543801 512030406969 967168546497 1080953081379 1282060631403 2041800264827 2901505639491 3242859244137 3846181894209 6125400794481 8704516918473 9728577732411 18376202383443 55128607150329 165385821450987
• Sum of all divisors σ(n): 281914730947080
• Sum of proper divisors (its aliquot sum) s(n): 116528909496093
• 165385821450987 is a deficient number, because the sum of its proper divisors (116528909496093) is less than itself. Its deficiency is 48856911954894

Bases of 165385821450987

• Binary: 100101100110101011100011001000110111001011101011₂
• Hexadecimal: 0x966AE32372EB
• Base-36: 1MMH73YFOR

Squares and roots of 165385821450987

• 165385821450987 squared (165385821450987²) is 27352469937017751714043274169
• 165385821450987 cubed (165385821450987³) is 4523710709247107518287028920229391836654803
• The square root of 165385821450987 is 12860241.8892875805
• The cube root of 165385821450987 is 54890.7828728295
• Being both a perfect square and a perfect cube, 165385821450987 is also a perfect sixth number.

Scales and comparisons

• 165,385,821,450,987 seconds is equal to 5,258,757 years, 28 weeks, 4 days, 6 hours, 36 minutes, 27 seconds.
• To count from 1 to 165,385,821,450,987 would take you about thirteen million, one hundred forty-six thousand, eight hundred ninety-three 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 165385821450987 cubic inches would be around 4574.2 feet tall.

Recreational maths with 165385821450987

• 165385821450987 backwards is 789054128583561
• The number of decimal digits it has is: 15
• The sum of 165385821450987's digits is 72
• More coming soon!