81874425 is an odd 8-digits composite number following 81874424
and preceding 81874426 . In scientific notation, it is written as 8.1874425 × 10^7.
The sum of its digits is 39. It has a total of 3 prime factors and 8 positive divisors.
There are 43666320 positive integers (up to 81874425) that are relatively prime to 81874425.
81874425 has 8 divisors, whose sum is 113532640
The reverse of 81874425 is 52447818
Previous prime number is 3
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 39
Digital Root 3
Name
eighty-one million eight hundred seventy-four thousand four hundred twenty-five
Scientific notation
8.1874425 × 10^7
Engineering notation
8.1874425 × 10^6
Prime Factorization
25 × 3 × 1091659
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
81874425
Product of the distinct prime numbers
The prime factorization of 81874425 is 25 × 3 × 1091659.
Since it has a total of 3 prime factors.
2 , 7 , 14 , 4 , 981 , 301 , 2001 , 8968 , 90915 , 40656 , 167126 , 599188 , 6444936 , 4638282 , 52051038 , 37287984 , 283100115 , 624528370 , 8077406722 , 8505572733
n×2
163748850
n×3
245623275
n×4
327497700
n×5
409372125
n÷2
40937212.5
n÷3
27291475
n÷3
20468606.25
n÷5
16374885
n2
6703421469080625
n3
5.4883877831363E+23
n4
4.4935859392131E+31
n5
3.6790976496116E+39
2 √n
9048.4487620807
3 √n
434.22626362178
4 √n
95.123334477302
5 √n
38.249842621705
8 divisors
τ
Total Divisors
8
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-81874424
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.125
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
8
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 81874425 can be divided by 8 positive divisors.
The sum of these divisors (counting 81874425) is 1, the average is 0.125.
Base
System
Value
2
Binary
100111000010100110111111001
3
Ternary
12201001122121010
4
Quaternary
10320110313321
5
Quinary
131424440200
6
Senary
12042504133
8
Octal
470246771
10
Decimal
81874425
12
Duodecimal
23505049
16
Hexadecimal
4e14df9
20
Vigesimal
15be615
36
Base36
1cqupl
md5
55f7f275b2a7cae2d7e7237bcfd51b80
sha1
8a74e7db3f9619a0c62371cefe70ce5cf78775c3
sha256
31821372f822f4bcdbfa88db169742605a82139b06dcae8f179236dac39cc83f
sha512
0ea0d265b5dd041c00d858ee3aaa03e499f6b5ea3712657894b62fd4b14d5f572a3e5ba0a147121a62512b123557bf5d8d8f3f6e04b2169361fbe62ccec94b16
ripemd-160
bdaf68b7c0fa4e8c8099c503615654cd12b55f5e
Diameter
163748850
Circumference
514432184.19378
Area
2.105941964118E+16
Volume
2.2989704986071E+24
Surface area
8.4237678564719E+16
Circumference
514432184.19378
Perimeter
327497700
Area
6703421469080625
Diagonal
115787922.2465
Surface area
40220528814483750
Volume
5.4883877831363E+23
Space diagonal
141810663.94049
Perimeter
245623275
Area
2.9026666422489E+15
Altitude
70905331.970244
Surface area
2.9026666422489E+15
Volume
6.4681270320618E+22
Height
38595974.082166