87131738 (number)

87131738 is an even 8-digits composite number following 87131737 and preceding 87131739. In scientific notation, it is written as 8.7131738 × 10^7. The sum of its digits is 38. It has a total of 4 prime factors and 16 positive divisors. There are 43170816 positive integers (up to 87131738) that are relatively prime to 87131738.

Interesting facts

Basic properties

Name

Name eighty-seven million one hundred thirty-one thousand seven hundred thirty-eight

Notation

Scientific notation 8.7131738 × 10^7
Engineering notation 8.7131738 × 10^6

Prime Factorization of 87131738

Prime Factorization 2 × 257 × 599 × 283

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 87131738
Product of the distinct prime numbers

The prime factorization of 87131738 is 2 × 257 × 599 × 283. Since it has a total of 4 prime factors.

Most popular turbo-numbers

Basic calculations (n = 87131738)

Multiplication

n×y
n×2 174263476
n×3 261395214
n×4 348526952
n×5 435658690

Division

n÷y
n÷2 43565869
n÷3 29043912.666667
n÷3 21782934.5
n÷5 17426347.6

Exponentiation

ny
n2 7591939766900644
n3 6.6149890668137E+23
n4 5.7637549424247E+31
n5 5.0220598553956E+39

Nth Root

y√n
2√n 9334.4382798324
3√n 443.32830353399
4√n 96.614896780116
5√n 38.728910103411

Divisors of 87131738

16 divisors

τ Total Divisors 16
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -87131737
Sum of the proper positive divisors of n
A Arithmetic Mean 0.0625
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 16
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 87131738 can be divided by 16 positive divisors. The sum of these divisors (counting 87131738) is 1, the average is 0.0625.

Base conversion 87131738

Base System Value
2 Binary 101001100011000011001011010
3 Ternary 20001221202021102
4 Quaternary 11030120121122
5 Quinary 134301203423
6 Senary 12351311402
8 Octal 514303132
10 Decimal 87131738
12 Duodecimal 2521b562
16 Hexadecimal 531865a
20 Vigesimal 174b96i
36 Base36 1fvja2

Cryptographic Hash Functions

md5 8f37c5e5a8d283e29ccafffbfb97f632
sha1 90a9372afe185c6c1d27eec3a13f2659becfea72
sha256 1860b1e34da90f92c4d63bcad6f5baec4ac6b920b9901b3583f0947e3decdeb0
sha512 72ece99028063fe22f795386a607d87a0f3f9f23f5c6773f5567249df85e124175e9d0d334b026a9d02f4d2f0c534e95038a3a4339cb7b4ff33a735cf13b9d58
ripemd-160 784082d7b03a014a4fabf0292ea1ae7e752ac802

87131738 as geometric shapes

Circle

Radius = n
Diameter 174263476
Circumference 547464855.99062
Area 2.3850782198191E+16

Sphere

Radius = n
Volume 2.7708801407838E+24
Surface area 9.5403128792765E+16
Circumference 547464855.99062

Square

Length = n
Perimeter 348526952
Area 7591939766900644
Diagonal 123222885.59274

Cube

Length = n
Surface area 45551638601403864
Volume 6.6149890668137E+23
Space diagonal 150916597.16778

Equilateral Triangle

Length = n
Perimeter 261395214
Area 3.2874063510686E+15
Altitude 75458298.58389

Triangular Pyramid

Length = n
Surface area 3.2874063510686E+15
Volume 7.795839377698E+22
Height 41074295.19758