81774865 (number)

81774865 is an odd 8-digits composite number following 81774864 and preceding 81774866. In scientific notation, it is written as 8.1774865 × 10^7. The sum of its digits is 46. It has a total of 2 prime factors and 4 positive divisors. There are 65419888 positive integers (up to 81774865) that are relatively prime to 81774865.

Interesting facts

Basic properties

Name

Name eighty-one million seven hundred seventy-four thousand eight hundred sixty-five

Notation

Scientific notation 8.1774865 × 10^7
Engineering notation 8.1774865 × 10^6

Prime Factorization of 81774865

Prime Factorization 5 × 16354973

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 81774865
Product of the distinct prime numbers

The prime factorization of 81774865 is 5 × 16354973. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 81774865)

Multiplication

n×y
n×2 163549730
n×3 245324595
n×4 327099460
n×5 408874325

Division

n÷y
n÷2 40887432.5
n÷3 27258288.333333
n÷3 20443716.25
n÷5 16354973

Exponentiation

ny
n2 6687128545768225
n3 5.4683903406784E+23
n4 4.4717688187628E+31
n5 3.6567829146554E+39

Nth Root

y√n
2√n 9042.9455931129
3√n 434.05018461635
4√n 95.094403584611
5√n 38.240535666613

Divisors of 81774865

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 -81774864
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 81774865 can be divided by 4 positive divisors. The sum of these divisors (counting 81774865) is 1, the average is 0.25.

Base conversion 81774865

Base System Value
2 Binary 100110111111100100100010001
3 Ternary 12200212121000201
4 Quaternary 10313330210101
5 Quinary 131413243430
6 Senary 12040415201
8 Octal 467744421
10 Decimal 81774865
12 Duodecimal 23477501
16 Hexadecimal 4dfc911
20 Vigesimal 15b1h35
36 Base36 1copw1

Cryptographic Hash Functions

md5 8efc02aaa0de9834f71f134912781eca
sha1 78c962b8c34f42d4607a7e1673843a3da8af0fab
sha256 6f9e7c7131aa1eb9a2d78e9c5e5cc61b2c5cba5309112e3ec648594bc37c4600
sha512 31b5d6b1e1ebb476d5295144e7ee797d7ced147efb8777bc24a711af8d6334ad3b3c9cb33fabe8e62708d818c4c0b92c8c4b1a14b7d09ff50860552d5c1948fa
ripemd-160 4b4f3ec1af87148817156d39ed15236ea0a2910b

81774865 as geometric shapes

Circle

Radius = n
Diameter 163549730
Circumference 513806630.26459
Area 2.1008233912996E+16

Sphere

Radius = n
Volume 2.2905939894982E+24
Surface area 8.4032935651984E+16
Circumference 513806630.26459

Square

Length = n
Perimeter 327099460
Area 6687128545768225
Diagonal 115647123.14423

Cube

Length = n
Surface area 40122771274609350
Volume 5.4683903406784E+23
Space diagonal 141638220.96209

Equilateral Triangle

Length = n
Perimeter 245324595
Area 2.8956115995037E+15
Altitude 70819110.481043

Triangular Pyramid

Length = n
Surface area 2.8956115995037E+15
Volume 6.4445598201146E+22
Height 38549041.048076