81427963 is an odd 8-digits composite number following 81427962
and preceding 81427964 . In scientific notation, it is written as 8.1427963 × 10^7.
The sum of its digits is 40. It has a total of 2 prime factors and 4 positive divisors.
There are 80666848 positive integers (up to 81427963) that are relatively prime to 81427963.
81427963 has 4 divisors, whose sum is 82189080
The reverse of 81427963 is 36972418
Previous prime number is 107
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 40
Digital Root 4
Name
eighty-one million four hundred twenty-seven thousand nine hundred sixty-three
Scientific notation
8.1427963 × 10^7
Engineering notation
8.1427963 × 10^6
Prime Factorization
107 × 761009
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
81427963
Product of the distinct prime numbers
The prime factorization of 81427963 is 107 × 761009.
Since it has a total of 2 prime factors.
8 , 4 , 16 , 46 , 488 , 129 , 8200 , 9674 , 52287 , 23387 , 406019 , 966899 , 8277204 , 4960506 , 74417110 , 26943240 , 147158627 , 712779214 , 3617273043 , 3379607090
n×2
162855926
n×3
244283889
n×4
325711852
n×5
407139815
n÷2
40713981.5
n÷3
27142654.333333
n÷3
20356990.75
n÷5
16285592.6
n2
6630513158329369
n3
5.3990918012746E+23
n4
4.3963704742779E+31
n5
3.5798749231379E+39
2 √n
9023.7444001922
3 √n
433.43554465983
4 √n
94.993391350094
5 √n
38.20803598377
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
-81427962
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 81427963 can be divided by 4 positive divisors.
The sum of these divisors (counting 81427963) is 1, the average is 0.25.
Base
System
Value
2
Binary
100110110100111110111111011
3
Ternary
12200012222011111
4
Quaternary
10312213313323
5
Quinary
131321143323
6
Senary
12025141151
8
Octal
466476773
10
Decimal
81427963
12
Duodecimal
2332a7b7
16
Hexadecimal
4da7dfb
20
Vigesimal
158i9i3
36
Base36
1cha7v
md5
eb9bda10dd3105f44243e37c18f9c33d
sha1
d49e78a41e653937d87e8da0a27cc4b6a2fc2ced
sha256
701533d076bc399d5cd0d17382dfbb546d7e1ed2dfc61d72f166e6ae0eb948ec
sha512
280d608c733d15d52c52a4fabbc9e166af49fe7521f363fc1b04833916c567d083b55c07b82fb86a9a26c9a082f6bdf705bcb16bb67fde665055652af83c1d67
ripemd-160
de24969f3403294db6b76bbbdfd2b45cdab7ebdb
Diameter
162855926
Circumference
511626980.71516
Area
2.0830371427738E+16
Volume
2.2615662851921E+24
Surface area
8.3321485710952E+16
Circumference
511626980.71516
Perimeter
325711852
Area
6630513158329369
Diagonal
115156529.63101
Surface area
39783078949976214
Volume
5.3990918012746E+23
Space diagonal
141037369.07284
Perimeter
244283889
Area
2.8710964176201E+15
Altitude
70518684.536419
Surface area
2.8710964176201E+15
Volume
6.3628907082166E+22
Height
38385509.877005