168987538 (number)

168987538 is an even 9-digits composite number following 168987537 and preceding 168987539. In scientific notation, it is written as 1.68987538 × 10^8. The sum of its digits is 55. It has a total of 2 prime factors and 4 positive divisors. There are 84493768 positive integers (up to 168987538) that are relatively prime to 168987538.

Interesting facts

Basic properties

Name

Name one hundred sixty-eight million nine hundred eighty-seven thousand five hundred thirty-eight

Notation

Scientific notation 1.68987538 × 10^8
Engineering notation 1.68987538 × 10^6

Prime Factorization of 168987538

Prime Factorization 2 × 84493769

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 168987538
Product of the distinct prime numbers

The prime factorization of 168987538 is 2 × 84493769. Since it has a total of 2 prime factors.

Most popular turbo-numbers

8, 2, 69, 18, 988, 579, 8317, 1285, 938, 520, 314927, 670783, 3820700, 8000215, 25658348, 94632591, 103907390, 556684656, 8768593225, 9910487843

Basic calculations (n = 168987538)

Multiplication

n×y
n×2 337975076
n×3 506962614
n×4 675950152
n×5 844937690

Division

n÷y
n÷2 84493769
n÷3 56329179.333333
n÷3 42246884.5
n÷5 33797507.6

Exponentiation

ny
n2 28556787999301444
n3 4.8257412971899E+24
n4 8.1549014083705E+32
n5 1.3780767116333E+41

Nth Root

y√n
2√n 12999.520683471
3√n 552.86389137078
4√n 114.01544054851
5√n 44.215133002324

Divisors of 168987538

1, 2, 84493769, 168987538

4 divisors

τ Total Divisors 4
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -168987537
Sum of the proper positive divisors of n
A Arithmetic Mean 0.25
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 4
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 168987538 can be divided by 4 positive divisors. The sum of these divisors (counting 168987538) is 1, the average is 0.25.

Base conversion 168987538

Base System Value
2 Binary 1010000100101000101110010010
3 Ternary 102202222110022201
4 Quaternary 22010220232102
5 Quinary 321230100123
6 Senary 24433553414
8 Octal 1204505622
10 Decimal 168987538
12 Duodecimal 4871586a
16 Hexadecimal a128b92
20 Vigesimal 2cg38gi
36 Base36 2slzma

Cryptographic Hash Functions

md5 f45b298946d7aea1c74eacd4cddedc89
sha1 5989546f99cba9a2437c07234cea12f681c391e7
sha256 b7255f887c262085b94815b28b4622a8abbf7a49f63327544324ce15a46c4519
sha512 3ce34696a7a754d5dcb4cd77059b3b0ab50351cec9d160cb2399658257044437f597596f43fe3174b9a8399dd91cce1e673064ffb0d0b3120a480b939ea31add
ripemd-160 1ab308745040becc711b50ffdba571825d812619

168987538 as geometric shapes

Circle

Radius = n
Diameter 337975076
Circumference 1061780015.8581
Area 8.9713795388727E+16

Sphere

Radius = n
Volume 2.0214017876502E+25
Surface area 3.5885518155491E+17
Circumference 1061780015.8581

Square

Length = n
Perimeter 675950152
Area 28556787999301444
Diagonal 238984468.11164

Cube

Length = n
Surface area 171340727995808664
Volume 4.8257412971899E+24
Space diagonal 292695001.66198

Equilateral Triangle

Length = n
Perimeter 506962614
Area 1.2365451928941E+16
Altitude 146347500.83099

Triangular Pyramid

Length = n
Surface area 1.2365451928941E+16
Volume 5.6871906591582E+23
Height 79661489.370546