87128568 (number)

87128568 is an even 8-digits composite number following 87128567 and preceding 87128569. In scientific notation, it is written as 8.7128568 × 10^7. The sum of its digits is 45. It has a total of 6 prime factors and 32 positive divisors. There are 28882656 positive integers (up to 87128568) that are relatively prime to 87128568.

Interesting facts

Basic properties

Name

Name eighty-seven million one hundred twenty-eight thousand five hundred sixty-eight

Notation

Scientific notation 8.7128568 × 10^7
Engineering notation 8.7128568 × 10^6

Prime Factorization of 87128568

Prime Factorization 2 × 2 × 2 × 27 × 199 × 2027

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 6
Total number of prime factors
rad Radical 21782142
Product of the distinct prime numbers

The prime factorization of 87128568 is 2 × 2 × 2 × 27 × 199 × 2027. Since it has a total of 6 prime factors.

Most popular turbo-numbers

Basic calculations (n = 87128568)

Multiplication

n×y
n×2 174257136
n×3 261385704
n×4 348514272
n×5 435642840

Division

n÷y
n÷2 43564284
n÷3 29042856
n÷3 21782142
n÷5 17425713.6

Exponentiation

ny
n2 7591387361730624
n3 6.6142670996089E+23
n4 5.7629162075843E+31
n5 5.0211463667081E+39

Nth Root

y√n
2√n 9334.2684769617
3√n 443.32292712429
4√n 96.614018014787
5√n 38.728628294659

Divisors of 87128568

32 divisors

τ Total Divisors 32
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -87128567
Sum of the proper positive divisors of n
A Arithmetic Mean 0.03125
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 32
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 87128568 can be divided by 32 positive divisors. The sum of these divisors (counting 87128568) is 1, the average is 0.03125.

Base conversion 87128568

Base System Value
2 Binary 101001100010111100111111000
3 Ternary 20001221120221000
4 Quaternary 11030113213320
5 Quinary 134301103233
6 Senary 12351245000
8 Octal 514274770
10 Decimal 87128568
12 Duodecimal 25219760
16 Hexadecimal 53179f8
20 Vigesimal 174b188
36 Base36 1fvgu0

Cryptographic Hash Functions

md5 80f05ed5101a8c5d0d8aa800a7eb20e3
sha1 e1e8cf226f0d9095771bf3c59eca7eab3c0b4a2f
sha256 a54baaeaa78fa086730760449d77465f7650ca4cba5a530142e2737ce584c265
sha512 3919747cda4717787af6d19c2bd0d210d8cba1d7701fc02379f5e81ffb7c19cf32c6ad7b984977566db1fb49fc8ba00779ff22f28ca32577769f648369e5fa52
ripemd-160 e452552506756d55a4f4a60eae747b2bd2d7bf58

87128568 as geometric shapes

Circle

Radius = n
Diameter 174257136
Circumference 547444938.2932
Area 2.3849046766167E+16

Sphere

Radius = n
Volume 2.7705777238683E+24
Surface area 9.5396187064669E+16
Circumference 547444938.2932

Square

Length = n
Perimeter 348514272
Area 7591387361730624
Diagonal 123218402.53575

Cube

Length = n
Surface area 45548324170383744
Volume 6.6142670996089E+23
Space diagonal 150911106.56672

Equilateral Triangle

Length = n
Perimeter 261385704
Area 3.2871671526134E+15
Altitude 75455553.28336

Triangular Pyramid

Length = n
Surface area 3.2871671526134E+15
Volume 7.7949885311875E+22
Height 41072800.845249