30813213 is an odd 8-digits composite number following 30813212
and preceding 30813214 . In scientific notation, it is written as 3.0813213 × 10^7.
The sum of its digits is 21. It has a total of 2 prime factors and 4 positive divisors.
There are 20542140 positive integers (up to 30813213) that are relatively prime to 30813213.
30813213 has 4 divisors, whose sum is 41084288
The reverse of 30813213 is 31231803
Previous prime number is 3
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 21
Digital Root 3
Name
thirty million eight hundred thirteen thousand two hundred thirteen
Scientific notation
3.0813213 × 10^7
Engineering notation
3.0813213 × 10^6
Prime Factorization
3 × 10271071
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
30813213
Product of the distinct prime numbers
The prime factorization of 30813213 is 3 × 10271071.
Since it has a total of 2 prime factors.
9 , 9 , 61 , 42 , 582 , 843 , 6104 , 6135 , 61145 , 89695 , 911408 , 37003 , 9035295 , 8105859 , 96540697 , 73849852 , 53653784 , 262981421 , 1931061981 , 9427878020
n×2
61626426
n×3
92439639
n×4
123252852
n×5
154066065
n÷2
15406606.5
n÷3
10271071
n÷3
7703303.25
n÷5
6162642.6
n2
949454095383369
n3
2.925573127477E+22
n4
9.0146307924025E+29
n5
2.7776973872266E+37
2 √n
5550.9650512321
3 √n
313.50585929033
4 √n
74.504798847001
5 √n
31.45917991964
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
-30813212
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 30813213 can be divided by 4 positive divisors.
The sum of these divisors (counting 30813213) is 1, the average is 0.25.
Base
System
Value
2
Binary
1110101100010110000011101
3
Ternary
2010222110210010
4
Quaternary
1311202300131
5
Quinary
30342010323
6
Senary
3020233433
8
Octal
165426035
10
Decimal
30813213
12
Duodecimal
a39b879
16
Hexadecimal
1d62c1d
20
Vigesimal
9cbd0d
36
Base36
icfml
md5
d6a1c4cdf2b62d6b352297997897ffd3
sha1
c066d056e4d2e8102e5f81591fab980b4f1878af
sha256
2b8bc217112d37db5cc06914100bb57850397baf16fe9737b4c87ade55db6c20
sha512
91c9348a95b3e316989899c0232dbf5b30746c79a13454412b7bad055bf2942e568853a5a179e704fccf14f21f536bdf01f3c2a3709bafde1d1cf298c773a732
ripemd-160
ad3889f8890da063eeb0cd3f92e9bf232761b328
Diameter
61626426
Circumference
193605127.1886
Area
2.9827980109771E+15
Volume
1.2254612059762E+23
Surface area
1.1931192043909E+16
Circumference
193605127.1886
Perimeter
123252852
Area
949454095383369
Diagonal
43576463.724891
Surface area
5696724572300214
Volume
2.925573127477E+22
Space diagonal
53370050.460442
Perimeter
92439639
Area
4.1112568316459E+14
Altitude
26685025.230221
Surface area
4.1112568316459E+14
Volume
3.4478209954935E+21
Height
14525487.908297