30494890 is an even 8-digits composite number following 30494889
and preceding 30494891 . In scientific notation, it is written as 3.0494890 × 10^7.
The sum of its digits is 37. It has a total of 4 prime factors and 16 positive divisors.
There are 12183696 positive integers (up to 30494890) that are relatively prime to 30494890.
30494890 has 16 divisors, whose sum is 54955008
The reverse of 30494890 is 09849403
Previous prime number is 1423
Is Prime? no
Number parity even
Number length 8
Sum of Digits 37
Digital Root 1
Name
thirty million four hundred ninety-four thousand eight hundred ninety
Scientific notation
3.0494890 × 10^7
Engineering notation
3.0494890 × 10^6
Prime Factorization
2 × 5 × 1423 × 2143
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
30494890
Product of the distinct prime numbers
The prime factorization of 30494890 is 2 × 5 × 1423 × 2143.
Since it has a total of 4 prime factors.
4 , 6 , 9 , 15 , 506 , 739 , 310 , 8642 , 77301 , 4204 , 721039 , 881766 , 1645432 , 6440671 , 1610994 , 4667906 , 800361022 , 301975276 , 3022558430 , 7054070607
n×2
60989780
n×3
91484670
n×4
121979560
n×5
152474450
n÷2
15247445
n÷3
10164963.333333
n÷3
7623722.5
n÷5
6098978
n2
929938316112100
n3
2.8358366656624E+22
n4
8.6478527177341E+29
n5
2.637153173635E+37
2 √n
5522.217851552
3 √n
312.42253866743
4 √n
74.311626624318
5 √n
31.393910384651
1 , 2 , 5 , 10 , 1423 , 2143 , 2846 , 4286 , 7115 , 10715 , 14230 , 21430 , 3049489 , 6098978 , 15247445 , 30494890
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
-30494889
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 30494890 can be divided by 16 positive divisors.
The sum of these divisors (counting 30494890) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1110100010101000010101010
3
Ternary
2010101022010101
4
Quaternary
1310111002222
5
Quinary
30301314030
6
Senary
3005340014
8
Octal
164250252
10
Decimal
30494890
12
Duodecimal
a26760a
16
Hexadecimal
1d150aa
20
Vigesimal
9abh4a
36
Base36
i5m0a
md5
2612c7137dbd8fc8c8d247c42e6b6a61
sha1
4091ee0ddf2e61fa211d07dfad5155ee60171732
sha256
b207e50e95baf7bf2b6f173e8abbab57395f436fe4fc3beed8fa2fd82db382f3
sha512
83619aafae14da6aa1651b20dd5cb749fdbcfe6dc12a686f96f8a1224a239a80c71afc83bd2c2efcebe868e64221ed64066ec4132f91a0007063cc42c2916012
ripemd-160
1a8d964035c2d1b9729856f8f72bcf5f476fd178
Diameter
60989780
Circumference
191605044.79206
Area
2.9214873821894E+15
Volume
1.1878724847501E+23
Surface area
1.1685949528758E+16
Circumference
191605044.79206
Perimeter
121979560
Area
929938316112100
Diagonal
43126287.021076
Surface area
5579629896672600
Volume
2.8358366656624E+22
Space diagonal
52818698.851224
Perimeter
91484670
Area
4.026751028528E+14
Altitude
26409349.425612
Surface area
4.026751028528E+14
Volume
3.3420655610455E+21
Height
14375429.007025