81290410 is an even 8-digits composite number following 81290409
and preceding 81290411 . In scientific notation, it is written as 8.1290410 × 10^7.
The sum of its digits is 25. It has a total of 4 prime factors and 16 positive divisors.
There are 32482000 positive integers (up to 81290410) that are relatively prime to 81290410.
81290410 has 16 divisors, whose sum is 146476512
The reverse of 81290410 is 01409218
Previous prime number is 1091
Is Prime? no
Number parity even
Number length 8
Sum of Digits 25
Digital Root 7
Name
eighty-one million two hundred ninety thousand four hundred ten
Scientific notation
8.1290410 × 10^7
Engineering notation
8.1290410 × 10^6
Prime Factorization
2 × 5 × 1091 × 7451
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
81290410
Product of the distinct prime numbers
The prime factorization of 81290410 is 2 × 5 × 1091 × 7451.
Since it has a total of 4 prime factors.
7 , 7 , 64 , 56 , 329 , 671 , 5001 , 2619 , 62640 , 92083 , 660094 , 898148 , 2552236 , 4047897 , 73081173 , 76225864 , 897225711 , 353854218 , 1838295170 , 2334115977
n×2
162580820
n×3
243871230
n×4
325161640
n×5
406452050
n÷2
40645205
n÷3
27096803.333333
n÷3
20322602.5
n÷5
16258082
n2
6608130757968100
n3
5.3717765864884E+23
n4
4.3667392114404E+31
n5
3.5497402086107E+39
2 √n
9016.1194535121
3 √n
433.1913453281
4 √n
94.953248778081
5 √n
38.195118591184
1 , 2 , 5 , 10 , 1091 , 2182 , 5455 , 7451 , 10910 , 14902 , 37255 , 74510 , 8129041 , 16258082 , 40645205 , 81290410
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
-81290409
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 81290410 can be divided by 16 positive divisors.
The sum of these divisors (counting 81290410) is 1, the average is 0.0625.
Base
System
Value
2
Binary
100110110000110010010101010
3
Ternary
12122221222110221
4
Quaternary
10312012102222
5
Quinary
131302243120
6
Senary
12022200254
8
Octal
466062252
10
Decimal
81290410
12
Duodecimal
2328308a
16
Hexadecimal
4d864aa
20
Vigesimal
158160a
36
Base36
1cec2y
md5
87e320bfede6e0531eb2cf21782b8f62
sha1
d9b6e41fab5d3a079a9a61084139b0677728be36
sha256
08fcbc469a8176be2e3fdf461600c125194416d4ba3938ab696a352b6ef6cb57
sha512
6a0ac5fc0f9ce26015a27c6f1ca2eb9a80600c244482ca2c852c0d163dc0888c62a2df6c5838dac780f7ab677f1d689f17b1d37a80605618c53a9953c34cb584
ripemd-160
306675c605e16af766f121d7f91d6a97b0e298a9
Diameter
162580820
Circumference
510762709.7266
Area
2.0760055043193E+16
Volume
2.2501245147783E+24
Surface area
8.3040220172773E+16
Circumference
510762709.7266
Perimeter
325161640
Area
6608130757968100
Diagonal
114962000.31287
Surface area
39648784547808600
Volume
5.3717765864884E+23
Space diagonal
140799120.28811
Perimeter
243871230
Area
2.8614045539648E+15
Altitude
70399560.144053
Surface area
2.8614045539648E+15
Volume
6.3306994188751E+22
Height
38320666.770956