87081397 (number)

87081397 is an odd 8-digits composite number following 87081396 and preceding 87081398. In scientific notation, it is written as 8.7081397 × 10^7. The sum of its digits is 43. It has a total of 2 prime factors and 4 positive divisors. There are 80382816 positive integers (up to 87081397) that are relatively prime to 87081397.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 8.7081397 × 10^7
Engineering notation 8.7081397 × 10^6

Prime Factorization of 87081397

Prime Factorization 13 × 6698569

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 87081397
Product of the distinct prime numbers

The prime factorization of 87081397 is 13 × 6698569. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 87081397)

Multiplication

n×y
n×2 174162794
n×3 261244191
n×4 348325588
n×5 435406985

Division

n÷y
n÷2 43540698.5
n÷3 29027132.333333
n÷3 21770349.25
n÷5 17416279.4

Exponentiation

ny
n2 7583169703471609
n3 6.6035301146638E+23
n4 5.750446275165E+31
n5 5.0075689501481E+39

Nth Root

y√n
2√n 9331.7413701838
3√n 443.24290836085
4√n 96.600938764506
5√n 38.724433886512

Divisors of 87081397

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 -87081396
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 87081397 can be divided by 4 positive divisors. The sum of these divisors (counting 87081397) is 1, the average is 0.25.

Base conversion 87081397

Base System Value
2 Binary 101001100001100000110110101
3 Ternary 20001212012012221
4 Quaternary 11030030012311
5 Quinary 134243101042
6 Senary 12350242341
8 Octal 514140665
10 Decimal 87081397
12 Duodecimal 251b63b1
16 Hexadecimal 530c1b5
20 Vigesimal 174539h
36 Base36 1fugfp

Cryptographic Hash Functions

md5 7c1c627d338f3868fbdc946de33b3ac9
sha1 d40a3a092416dee10333c93648dea544340f4076
sha256 80f8f30e425f805884300f7453dee4fcdc5a88e0e433be61f130f1fa77e3dc67
sha512 07559d920e57f53fc22304d9f852f27e969007fed98fc8735987e715d96986e0fd08409c12f3201d2337887492cff34b0aa4b413827ddd7ca8502a3d3d78587a
ripemd-160 9e21fd69570fd7a17500bfcd119d7b938e3ab562

87081397 as geometric shapes

Circle

Radius = n
Diameter 174162794
Circumference 547148554.15907
Area 2.3823230231351E+16

Sphere

Radius = n
Volume 2.7660802261316E+24
Surface area 9.5292920925404E+16
Circumference 547148554.15907

Square

Length = n
Perimeter 348325588
Area 7583169703471609
Diagonal 123151692.6678

Cube

Length = n
Surface area 45499018220829654
Volume 6.6035301146638E+23
Space diagonal 150829403.99808

Equilateral Triangle

Length = n
Perimeter 261244191
Area 3.2836088022075E+15
Altitude 75414701.999038

Triangular Pyramid

Length = n
Surface area 3.2836088022075E+15
Volume 7.7823348730806E+22
Height 41050564.222599