201987 (number)

201987 is an odd 6-digits composite number following 201986 and preceding 201988. In scientific notation, it is written as 2.01987 × 10^5. The sum of its digits is 27. It has a total of 4 prime factors and 8 positive divisors. There are 134640 positive integers (up to 201987) that are relatively prime to 201987.

Interesting facts

Basic properties

Name

Name two hundred one thousand nine hundred eighty-seven

Notation

Scientific notation 2.01987 × 10^5
Engineering notation 2.01987 × 10^3

Prime Factorization of 201987

Prime Factorization 3 × 3 × 3 × 7481

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 22443
Product of the distinct prime numbers

The prime factorization of 201987 is 3 × 3 × 3 × 7481. Since it has a total of 4 prime factors.

Most popular turbo-numbers

Basic calculations (n = 201987)

Multiplication

n×y
n×2 403974
n×3 605961
n×4 807948
n×5 1009935

Division

n÷y
n÷2 100993.5
n÷3 67329
n÷3 50496.75
n÷5 40397.4

Exponentiation

ny
n2 40798748169
n3 8240816746411803
n4 1.6645378521575E+21
n5 3.3621500714373E+26

Nth Root

y√n
2√n 449.42963854201
3√n 58.67338436046
4√n 21.199755624582
5√n 11.50971801814

Divisors of 201987

8 divisors

τ Total Divisors 8
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -201986
Sum of the proper positive divisors of n
A Arithmetic Mean 0.125
Returns the sum of divisors (σ(n)) divided by the total number of divisors (τ(n))
G Geometric Mean 1
Returns the nth root of the product of n divisors
H Harmonic Mean 8
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 201987 can be divided by 8 positive divisors. The sum of these divisors (counting 201987) is 1, the average is 0.125.

Base conversion 201987

Base System Value
2 Binary 110001010100000011
3 Ternary 101021002000
4 Quaternary 301110003
5 Quinary 22430422
6 Senary 4155043
8 Octal 612403
10 Decimal 201987
12 Duodecimal 98a83
16 Hexadecimal 31503
20 Vigesimal 154j7
36 Base36 4bur

Cryptographic Hash Functions

md5 b646ea872d30da48c94cbb27be5a1852
sha1 231b82b8aa15c90e9c58cfb36259662234f5face
sha256 6a692ff05bf9c6c488ae205dc877d89de4423930220dcb1413cd0fc960eb43d6
sha512 f806570f36ec967676c24cb66bddd48819af8424f6910875ebb55e625ddca45b1b1f899fd001c368258c8df88e3c81dd0444a2e8e86d869b9ce00b8e8d5b318b
ripemd-160 ebb72f281aafce9570a2781a5720f2f12937ac62

201987 as geometric shapes

Circle

Radius = n
Diameter 403974
Circumference 1269121.7506413
Area 128173047523.39

Sphere

Radius = n
Volume 3.4519052466809E+16
Surface area 512692190093.56
Circumference 1269121.7506413

Square

Length = n
Perimeter 807948
Area 40798748169
Diagonal 285652.75482305

Cube

Length = n
Surface area 244792489014
Volume 8240816746411803
Space diagonal 349851.74646841

Equilateral Triangle

Length = n
Perimeter 605961
Area 17666376178.479
Altitude 174925.87323421

Triangular Pyramid

Length = n
Surface area 17666376178.479
Volume 9.7118956731724E+14
Height 95217.584941018