87081971 (number)

87081971 is an odd 8-digits composite number following 87081970 and preceding 87081972. In scientific notation, it is written as 8.7081971 × 10^7. The sum of its digits is 41. It has a total of 2 prime factors and 4 positive divisors. There are 86455344 positive integers (up to 87081971) that are relatively prime to 87081971.

Interesting facts

Basic properties

Name

Name eighty-seven million eighty-one thousand nine hundred seventy-one

Notation

Scientific notation 8.7081971 × 10^7
Engineering notation 8.7081971 × 10^6

Prime Factorization of 87081971

Prime Factorization 139 × 626489

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 87081971
Product of the distinct prime numbers

The prime factorization of 87081971 is 139 × 626489. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 87081971)

Multiplication

n×y
n×2 174163942
n×3 261245913
n×4 348327884
n×5 435409855

Division

n÷y
n÷2 43540985.5
n÷3 29027323.666667
n÷3 21770492.75
n÷5 17416394.2

Exponentiation

ny
n2 7583269673244841
n3 6.6036606977069E+23
n4 5.7505978937155E+31
n5 5.0077339901319E+39

Nth Root

y√n
2√n 9331.772125379
3√n 443.24388224229
4√n 96.601097951208
5√n 38.724484937063

Divisors of 87081971

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 -87081970
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 87081971 can be divided by 4 positive divisors. The sum of these divisors (counting 87081971) is 1, the average is 0.25.

Base conversion 87081971

Base System Value
2 Binary 101001100001100001111110011
3 Ternary 20001212020000012
4 Quaternary 11030030033303
5 Quinary 134243110341
6 Senary 12350245135
8 Octal 514141763
10 Decimal 87081971
12 Duodecimal 251b67ab
16 Hexadecimal 530c3f3
20 Vigesimal 17454ib
36 Base36 1fugvn

Cryptographic Hash Functions

md5 21202c7747bdb88acc12d1d4209bde1c
sha1 13886e8fc57a01527a5ff4650fcb50849329eacb
sha256 c6e81e00bf66fbb375792cc2cad55fd5d294acacf531f2000004f4bf5a1f49c6
sha512 318db2555849d7620d43d7ad821e3d48d85a6b479b29bdabb38b7dabbdb6996181db7b57bbbb2a589e889301c26c0d449a45d72a2ec10a5006259b3cd3c70a68
ripemd-160 00f5bc577f98e6084788caff52fef6041e8dd2cc

87081971 as geometric shapes

Circle

Radius = n
Diameter 174163942
Circumference 547152160.70744
Area 2.3823544295656E+16

Sphere

Radius = n
Volume 2.7661349246287E+24
Surface area 9.5294177182625E+16
Circumference 547152160.70744

Square

Length = n
Perimeter 348327884
Area 7583269673244841
Diagonal 123152504.42638

Cube

Length = n
Surface area 45499618039469046
Volume 6.6036606977069E+23
Space diagonal 150830398.19524

Equilateral Triangle

Length = n
Perimeter 261245913
Area 3.2836520903891E+15
Altitude 75415199.09762

Triangular Pyramid

Length = n
Surface area 3.2836520903891E+15
Volume 7.7824887666727E+22
Height 41050834.808794