18898980 is an even 8-digits composite number following 18898979
and preceding 18898981 . In scientific notation, it is written as 1.8898980 × 10^7.
The sum of its digits is 51. It has a total of 4 prime factors and 12 positive divisors.
There are 5039712 positive integers (up to 18898980) that are relatively prime to 18898980.
18898980 has 12 divisors, whose sum is 35278208
The reverse of 18898980 is 08989881
Previous prime number is 15
Is Prime? no
Number parity even
Number length 8
Sum of Digits 51
Digital Root 6
Name
eighteen million eight hundred ninety-eight thousand nine hundred eighty
Scientific notation
1.8898980 × 10^7
Engineering notation
1.8898980 × 10^6
Prime Factorization
2 × 2 × 15 × 314983
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
9449490
Product of the distinct prime numbers
The prime factorization of 18898980 is 2 × 2 × 15 × 314983.
Since it has a total of 4 prime factors.
7 , 5 , 94 , 55 , 256 , 534 , 4964 , 5438 , 8879 , 12374 , 318325 , 675260 , 3114010 , 7082087 , 74697261 , 79376568 , 607449412 , 871945855 , 5181422838 , 7188808453
n×2
37797960
n×3
56696940
n×4
75595920
n×5
94494900
n÷2
9449490
n÷3
6299660
n÷3
4724745
n÷5
3779796
n2
357171445040400
n3
6.7501759963896E+21
n4
1.2757144115225E+29
n5
2.4109701149075E+36
2 √n
4347.2957111289
3 √n
266.36640857371
4 √n
65.934025443082
5 √n
28.529073841036
1 , 2 , 4 , 15 , 30 , 60 , 314983 , 629966 , 1259932 , 4724745 , 9449490 , 18898980
12 divisors
τ
Total Divisors
12
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-18898979
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.083333333333333
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
12
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 18898980 can be divided by 12 positive divisors.
The sum of these divisors (counting 18898980) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
1001000000110000000100100
3
Ternary
1022120011112020
4
Quaternary
1020012000210
5
Quinary
14314231410
6
Senary
1513023140
8
Octal
110060044
10
Decimal
18898980
12
Duodecimal
63b4ab0
16
Hexadecimal
1206024
20
Vigesimal
5i2790
36
Base36
b92jo
md5
7689c0a4cacb47c86e04c5d573925680
sha1
fdfbda41bf00d8873c2219559b617258b79c4871
sha256
b66b35a793a06643523ce24deb9db6382485762b4bda1dc58ba9c58202b3319a
sha512
1695d62c84a7ac3464ee971197ed95eee0d782163439bd7dded692ae2374613dd7953fd26beae504143791494e53e898432c12c06e8dc5808e025ef911c04950
ripemd-160
2750b30a4c4d09daa9dc0470dafe504e68e8fb00
Diameter
37797960
Circumference
118745793.45668
Area
1.122087187811E+15
Volume
2.8275071094261E+22
Surface area
4.4883487512439E+15
Circumference
118745793.45668
Perimeter
75595920
Area
357171445040400
Diagonal
26727193.831018
Surface area
2143028670242400
Volume
6.7501759963896E+21
Space diagonal
32733993.571228
Perimeter
56696940
Area
1.5465977245569E+14
Altitude
16366996.785614
Surface area
1.5465977245569E+14
Volume
7.9551587020829E+20
Height
8909064.6103393