201638987 (number)

201638987 is an odd 9-digits composite number following 201638986 and preceding 201638988. In scientific notation, it is written as 2.01638987 × 10^8. The sum of its digits is 44. It has a total of 3 prime factors and 8 positive divisors. There are 182181960 positive integers (up to 201638987) that are relatively prime to 201638987.

Interesting facts

Basic properties

Name

Name two hundred one million six hundred thirty-eight thousand nine hundred eighty-seven

Notation

Scientific notation 2.01638987 × 10^8
Engineering notation 2.01638987 × 10^6

Prime Factorization of 201638987

Prime Factorization 11 × 163 × 112459

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 201638987
Product of the distinct prime numbers

The prime factorization of 201638987 is 11 × 163 × 112459. Since it has a total of 3 prime factors.

Most popular turbo-numbers

6, 4, 61, 36, 564, 652, 9549, 4031, 11270, 58045, 592069, 183947, 2786041, 3338688, 73532354, 54702241, 889874826, 846320920, 8694512600, 4576601907

Basic calculations (n = 201638987)

Multiplication

n×y
n×2 403277974
n×3 604916961
n×4 806555948
n×5 1008194935

Division

n÷y
n÷2 100819493.5
n÷3 67212995.666667
n÷3 50409746.75
n÷5 40327797.4

Exponentiation

ny
n2 40658281078386169
n3 8.1982946098071E+24
n4 1.6530958202491E+33
n5 3.3332856660895E+41

Nth Root

y√n
2√n 14199.964330941
3√n 586.39667935207
4√n 119.16360321399
5√n 45.805212407671

Divisors of 201638987

1, 11, 163, 1793, 112459, 1237049, 18330817, 201638987

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 -201638986
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 201638987 can be divided by 8 positive divisors. The sum of these divisors (counting 201638987) is 1, the average is 0.125.

Base conversion 201638987

Base System Value
2 Binary 1100000001001100010001001011
3 Ternary 112001102022200122
4 Quaternary 30001030101023
5 Quinary 403104421422
6 Senary 32001453455
8 Octal 1401142113
10 Decimal 201638987
12 Duodecimal 5764128b
16 Hexadecimal c04c44b
20 Vigesimal 3304h97
36 Base36 3c1tmz

Cryptographic Hash Functions

md5 f0b78a2b905c83c2d958e43e4c1cc81d
sha1 5ab6e41754dd0462f925ce71cc14ff2dcd80d5f3
sha256 530dc40fc1d32fbddd730f88e3a197886a274f2afea5840d921256b646bb7981
sha512 dc6d8ef4a64dc9976ea366be0dc543e111def868fcbfee1eb27387174d022b101801699bd0dab95678b59814a3a7f51a999963d89cef8c1d4c23d77d51831591
ripemd-160 465c27adab9b23b08a12080ff964c30112b246b1

201638987 as geometric shapes

Circle

Radius = n
Diameter 403277974
Circumference 1266935120.473
Area 1.2773175714345E+17

Sphere

Radius = n
Volume 3.4340936157513E+25
Surface area 5.1092702857379E+17
Circumference 1266935120.473

Square

Length = n
Perimeter 806555948
Area 40658281078386169
Diagonal 285160590.11857

Cube

Length = n
Surface area 243949686470317014
Volume 8.1982946098071E+24
Space diagonal 349248970.27072

Equilateral Triangle

Length = n
Perimeter 604916961
Area 1.7605552144045E+16
Altitude 174624485.13536

Triangular Pyramid

Length = n
Surface area 1.7605552144045E+16
Volume 9.6617828545995E+23
Height 95053530.039524