81887675 (number)

81887675 is an odd 8-digits composite number following 81887674 and preceding 81887676. In scientific notation, it is written as 8.1887675 × 10^7. The sum of its digits is 50. It has a total of 2 prime factors and 4 positive divisors. There are 65510120 positive integers (up to 81887675) that are relatively prime to 81887675.

Interesting facts

Basic properties

Name

Name eighty-one million eight hundred eighty-seven thousand six hundred seventy-five

Notation

Scientific notation 8.1887675 × 10^7
Engineering notation 8.1887675 × 10^6

Prime Factorization of 81887675

Prime Factorization 25 × 3275507

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 81887675
Product of the distinct prime numbers

The prime factorization of 81887675 is 25 × 3275507. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 81887675)

Multiplication

n×y
n×2 163775350
n×3 245663025
n×4 327550700
n×5 409438375

Division

n÷y
n÷2 40943837.5
n÷3 27295891.666667
n÷3 20471918.75
n÷5 16377535

Exponentiation

ny
n2 6705591316905625
n3 5.4910528244159E+23
n4 4.496495490936E+31
n5 3.6820756140073E+39

Nth Root

y√n
2√n 9049.180902159
3√n 434.2496864332
4√n 95.127182772113
5√n 38.25108056044

Divisors of 81887675

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 -81887674
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 81887675 can be divided by 4 positive divisors. The sum of these divisors (counting 81887675) is 1, the average is 0.25.

Base conversion 81887675

Base System Value
2 Binary 100111000011000000110111011
3 Ternary 12201002022202212
4 Quaternary 10320120012323
5 Quinary 131430401200
6 Senary 12043045335
8 Octal 470300673
10 Decimal 81887675
12 Duodecimal 2351084b
16 Hexadecimal 4e181bb
20 Vigesimal 15bfj3f
36 Base36 1cr4xn

Cryptographic Hash Functions

md5 3cd417d00ee4c668b596a2b6f9a9cbdc
sha1 7d719f6ef8fd09104485885fd271b3bbc74637df
sha256 ab09010d49f6b296770da9f7cdb441c507fc74c385e8a22a48f1b08d8aa59024
sha512 011ceb625ddf24ad3087ddd085d602567705e626f44905ab9b436cb8d243b28fb03c38705475b4670afc9cbfabba62111c16975e17b8050f1f2cd85160440d90
ripemd-160 29871d066a4ae8f3f90cc44ce2ca746c3debe5d8

81887675 as geometric shapes

Circle

Radius = n
Diameter 163775350
Circumference 514515436.3991
Area 2.1066236419166E+16

Sphere

Radius = n
Volume 2.3000868284878E+24
Surface area 8.4264945676665E+16
Circumference 514515436.3991

Square

Length = n
Perimeter 327550700
Area 6705591316905625
Diagonal 115806660.5762

Cube

Length = n
Surface area 40233547901433750
Volume 5.4910528244159E+23
Space diagonal 141833613.61369

Equilateral Triangle

Length = n
Perimeter 245663025
Area 2.9036062139183E+15
Altitude 70916806.806844

Triangular Pyramid

Length = n
Surface area 2.9036062139183E+15
Volume 6.47126781333E+22
Height 38602220.192067