1305211021 is an odd 10-digits composite number following 1305211020
and preceding 1305211022 . In scientific notation, it is written as 1.305211021 × 10^9.
The sum of its digits is 16. It has a total of 2 prime factors and 4 positive divisors.
There are 1304722944 positive integers (up to 1305211021) that are relatively prime to 1305211021.
1305211021 has 4 divisors, whose sum is 1305699100
The reverse of 1305211021 is 1201125031
Previous prime number is 2689
Is Prime? no
Number parity odd
Number length 10
Sum of Digits 16
Digital Root 7
Name
one billion three hundred five million two hundred eleven thousand twenty-one
Scientific notation
1.305211021 × 10^9
Engineering notation
1.305211021 × 10^9
Prime Factorization
2689 × 485389
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
1305211021
Product of the distinct prime numbers
The prime factorization of 1305211021 is 2689 × 485389.
Since it has a total of 2 prime factors.
6 , 7 , 56 , 69 , 241 , 872 , 9118 , 1837 , 27152 , 77824 , 720436 , 415870 , 7196081 , 1293860 , 14535493 , 79483436 , 563444586 , 476518168 , 7820752319 , 8948394080
n×2
2610422042
n×3
3915633063
n×4
5220844084
n×5
6526055105
n÷2
652605510.5
n÷3
435070340.33333
n÷3
326302755.25
n÷5
261042204.2
n2
1703575809339862441
n3
2.2235259214594E+27
n4
2.902170538168E+36
n5
3.7879449712383E+45
2 √n
36127.704341682
3 √n
1092.8492135766
4 √n
190.07289218003
5 √n
66.548174456835
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
-1305211020
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 1305211021 can be divided by 4 positive divisors.
The sum of these divisors (counting 1305211021) is 1, the average is 0.25.
Base
System
Value
2
Binary
1001101110010111111000010001101
3
Ternary
10100221222120220221
4
Quaternary
1031302333002031
5
Quinary
10133113223041
6
Senary
333303111341
8
Octal
11562770215
10
Decimal
1305211021
12
Duodecimal
305142551
16
Hexadecimal
4dcbf08d
20
Vigesimal
107hb7b1
36
Base36
ll379p
md5
2ee1c89f30a56030e168af4bdc4365fa
sha1
3bc4f6fab14612bcdf2f8c696c35699da1fff77d
sha256
fcc5f89e5a126f020ad23d78e7352993deaa7139404fa901dca9760d01612080
sha512
0b9daecbdcf749de58d81adbe16b6c743287d68a6811623ffa812c07e8694ce7e8ed812da9987077924f73bca48d15b7b95438bc2508d0f9fba965d957e2326b
ripemd-160
55d50c061e801fe6520a7b438f5184aa97ebf907
Diameter
2610422042
Circumference
8200882709.9161
Area
5.3519412474554E+18
Volume
9.3138835998977E+27
Surface area
2.1407764989822E+19
Circumference
8200882709.9161
Perimeter
5220844084
Area
1703575809339862441
Diagonal
1845847127.657
Surface area
1.0221454856039E+19
Volume
2.2235259214594E+27
Space diagonal
2260691802.9708
Perimeter
3915633063
Area
7.3766996408048E+17
Altitude
1130345901.4854
Surface area
7.3766996408048E+17
Volume
2.62045042868E+26
Height
615282375.88568