81862014 is an even 8-digits composite number following 81862013
and preceding 81862015 . In scientific notation, it is written as 8.1862014 × 10^7.
The sum of its digits is 30. It has a total of 4 prime factors and 16 positive divisors.
There are 24092640 positive integers (up to 81862014) that are relatively prime to 81862014.
81862014 has 16 divisors, whose sum is 131420160
The reverse of 81862014 is 41026818
Previous prime number is 23
Is Prime? no
Number parity even
Number length 8
Sum of Digits 30
Digital Root 3
Name
eighty-one million eight hundred sixty-two thousand fourteen
Scientific notation
8.1862014 × 10^7
Engineering notation
8.1862014 × 10^6
Prime Factorization
2 × 39 × 23 × 45631
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
81862014
Product of the distinct prime numbers
The prime factorization of 81862014 is 2 × 39 × 23 × 45631.
Since it has a total of 4 prime factors.
3 , 8 , 1 , 74 , 69 , 315 , 4909 , 4308 , 85674 , 94034 , 153008 , 803415 , 8635959 , 6091671 , 42970987 , 29444502 , 738033177 , 48297224 , 2036964353 , 4053700557
n×2
163724028
n×3
245586042
n×4
327448056
n×5
409310070
n÷2
40931007
n÷3
27287338
n÷3
20465503.5
n÷5
16372402.8
n2
6701389336136196
n3
5.4858922765423E+23
n4
4.490861903448E+31
n5
3.6763100001213E+39
2 √n
9047.7629279286
3 √n
434.20432166824
4 √n
95.119729435741
5 √n
38.248682924807
1 , 2 , 23 , 39 , 46 , 78 , 897 , 1794 , 45631 , 91262 , 1049513 , 1779609 , 2099026 , 3559218 , 40931007 , 81862014
16 divisors
τ
Total Divisors
16
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-81862013
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.0625
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
16
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 81862014 can be divided by 16 positive divisors.
The sum of these divisors (counting 81862014) is 1, the average is 0.0625.
Base
System
Value
2
Binary
100111000010001110101111110
3
Ternary
12201001000120110
4
Quaternary
10320101311332
5
Quinary
131424041024
6
Senary
12042330450
8
Octal
470216576
10
Decimal
81862014
12
Duodecimal
234b9a26
16
Hexadecimal
4e11d7e
20
Vigesimal
15bcf0e
36
Base36
1cql4u
md5
b166cfa28ac65187020e5b8a2e35cdee
sha1
819957faf7b917b3d11890c54f8f5c88311f3052
sha256
8c88fd461ac7ee949dd76ba30624c72133c71b3c937a1774bce14de5430eae94
sha512
d2898462a2c14bb81234f0a2c6d84dc7fc213f37046dc74dac8c29aee6aca96e3ffd353c7a0eeb5d9771d2361eb2731085fedd145370074256262a060b7e661e
ripemd-160
d707a66e68f3832007acec9ef4ae87200638843b
Diameter
163724028
Circumference
514354203.58093
Area
2.105303550725E+16
Volume
2.2979251832494E+24
Surface area
8.4212142029002E+16
Circumference
514354203.58093
Perimeter
327448056
Area
6701389336136196
Diagonal
115770370.44198
Surface area
40208336016817176
Volume
5.4858922765423E+23
Space diagonal
141789167.45791
Perimeter
245586042
Area
2.901786702872E+15
Altitude
70894583.728957
Surface area
2.901786702872E+15
Volume
6.4651860493366E+22
Height
38590123.480659