87431390 (number)

87431390 is an even 8-digits composite number following 87431389 and preceding 87431391. In scientific notation, it is written as 8.7431390 × 10^7. The sum of its digits is 35. It has a total of 3 prime factors and 8 positive divisors. There are 34972552 positive integers (up to 87431390) that are relatively prime to 87431390.

Interesting facts

Basic properties

Name

Name eighty-seven million four hundred thirty-one thousand three hundred ninety

Notation

Scientific notation 8.7431390 × 10^7
Engineering notation 8.7431390 × 10^6

Prime Factorization of 87431390

Prime Factorization 2 × 5 × 8743139

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 87431390
Product of the distinct prime numbers

The prime factorization of 87431390 is 2 × 5 × 8743139. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 87431390)

Multiplication

n×y
n×2 174862780
n×3 262294170
n×4 349725560
n×5 437156950

Division

n÷y
n÷2 43715695
n÷3 29143796.666667
n÷3 21857847.5
n÷5 17486278

Exponentiation

ny
n2 7644247957332100
n3 6.6834722441421E+23
n4 5.8434526833176E+31
n5 5.1090119050169E+39

Nth Root

y√n
2√n 9350.4753889842
3√n 443.83593416081
4√n 96.697856175741
5√n 38.755511808082

Divisors of 87431390

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 -87431389
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 87431390 can be divided by 8 positive divisors. The sum of these divisors (counting 87431390) is 1, the average is 0.125.

Base conversion 87431390

Base System Value
2 Binary 101001101100001100011011110
3 Ternary 20002111222022122
4 Quaternary 11031201203132
5 Quinary 134340301030
6 Senary 12401542542
8 Octal 515414336
10 Decimal 87431390
12 Duodecimal 25344a52
16 Hexadecimal 53618de
20 Vigesimal 1768i9a
36 Base36 1g1yhq

Cryptographic Hash Functions

md5 eaad5453ef6f349ce378f9caf3ba0670
sha1 d1dc8f2eed73d5769c0ff13f674c50b9c2238021
sha256 e4198e044d27504ea8ea3cd9353190c4ba1b8f5f05cce0de46eb834ecb19669f
sha512 2c2bea33546988cece328ae115a7b807b376d60ce445c9927336cf3977619c6d2a607c1e29efb1022856cfb636678d74622fa5c805710787d64f85df5e136da0
ripemd-160 dc23c7f4ab9e14d1486d7d49c6fcbd034e98bc25

87431390 as geometric shapes

Circle

Radius = n
Diameter 174862780
Circumference 549347625.03429
Area 2.4015113224973E+16

Sphere

Radius = n
Volume 2.7995663070224E+24
Surface area 9.6060452899893E+16
Circumference 549347625.03429

Square

Length = n
Perimeter 349725560
Area 7644247957332100
Diagonal 123646657.51513

Cube

Length = n
Surface area 45865487743992600
Volume 6.6834722441421E+23
Space diagonal 151435609.65637

Equilateral Triangle

Length = n
Perimeter 262294170
Area 3.3100564619385E+15
Altitude 75717804.828185

Triangular Pyramid

Length = n
Surface area 3.3100564619385E+15
Volume 7.8765475761749E+22
Height 41215552.505044