8121491 is an odd 7-digits composite number following 8121490
and preceding 8121492 . In scientific notation, it is written as 8.121491 × 10^6.
The sum of its digits is 26. It has a total of 2 prime factors and 4 positive divisors.
There are 6961272 positive integers (up to 8121491) that are relatively prime to 8121491.
8121491 has 4 divisors, whose sum is 9281712
The reverse of 8121491 is 1941218
Previous prime number is 7
Is Prime? no
Number parity odd
Number length 7
Sum of Digits 26
Digital Root 8
Name
eight million one hundred twenty-one thousand four hundred ninety-one
Scientific notation
8.121491 × 10^6
Engineering notation
8.121491 × 10^6
Prime Factorization
7 × 1160213
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
8121491
Product of the distinct prime numbers
The prime factorization of 8121491 is 7 × 1160213.
Since it has a total of 2 prime factors.
6 , 6 , 76 , 19 , 233 , 488 , 8166 , 755 , 53575 , 23679 , 228112 , 693110 , 3108338 , 5084391 , 81351135 , 31651765 , 553612964 , 615236514 , 2435747521 , 3358365432
n×2
16242982
n×3
24364473
n×4
32485964
n×5
40607455
n÷2
4060745.5
n÷3
2707163.6666667
n÷3
2030372.75
n÷5
1624298.2
n2
65958616063081
n3
5.3568230672877E+20
n4
4.3505390329569E+27
n5
3.5332863601308E+34
2 √n
2849.8229769584
3 √n
201.00734278432
4 √n
53.383733261719
5 √n
24.095012363195
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
-8121490
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 8121491 can be divided by 4 positive divisors.
The sum of these divisors (counting 8121491) is 1, the average is 0.25.
Base
System
Value
2
Binary
11110111110110010010011
3
Ternary
120021121120222
4
Quaternary
132332302103
5
Quinary
4034341431
6
Senary
450023255
8
Octal
36766223
10
Decimal
8121491
12
Duodecimal
2877b2b
16
Hexadecimal
7bec93
20
Vigesimal
2af3eb
36
Base36
4u2kz
md5
7c1838e37f8238f1884f6c3436e29800
sha1
a4f98fcfdd3b5afef993cfb51627cf0c308c903c
sha256
45ba3ac20f6f1870f35244880ff5af68bd5526d498e3d4b1aa36eff62ef54fa7
sha512
228b65b1ea1d89051789f29969b796583997a98336e7a7a3b04f1c2d6d3cb8c760e3eafebf086616758f2f29761b9cd74dff4d5f976afce949099006547e28f3
ripemd-160
2f6e13b9e8c5c0416bf9588f68e690938122f31b
Diameter
16242982
Circumference
51028832.923591
Area
2.0721510366472E+14
Volume
2.2438607993028E+21
Surface area
8.288604146589E+14
Circumference
51028832.923591
Perimeter
32485964
Area
65958616063081
Diagonal
11485522.718891
Surface area
395751696378486
Volume
5.3568230672877E+20
Space diagonal
14066835.045213
Perimeter
24364473
Area
28560918554546
Altitude
7033417.5226067
Surface area
28560918554546
Volume
6.3130765274927E+19
Height
3828507.5729637