20998946 is an even 8-digits composite number following 20998945
and preceding 20998947 . In scientific notation, it is written as 2.0998946 × 10^7.
The sum of its digits is 47. It has a total of 3 prime factors and 8 positive divisors.
There are 10483200 positive integers (up to 20998946) that are relatively prime to 20998946.
20998946 has 8 divisors, whose sum is 31547244
The reverse of 20998946 is 64989902
Previous prime number is 673
Is Prime? no
Number parity even
Number length 8
Sum of Digits 47
Digital Root 2
Name
twenty million nine hundred ninety-eight thousand nine hundred forty-six
Scientific notation
2.0998946 × 10^7
Engineering notation
2.0998946 × 10^6
Prime Factorization
2 × 673 × 15601
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
20998946
Product of the distinct prime numbers
The prime factorization of 20998946 is 2 × 673 × 15601.
Since it has a total of 3 prime factors.
3 , 6 , 45 , 47 , 49 , 469 , 3074 , 2257 , 38073 , 53703 , 479041 , 611805 , 7381850 , 908325 , 47958958 , 87906549 , 374215437 , 294419539 , 3157896234 , 9199216982
n×2
41997892
n×3
62996838
n×4
83995784
n×5
104994730
n÷2
10499473
n÷3
6999648.6666667
n÷3
5249736.5
n÷5
4199789.2
n2
440955733110916
n3
9.2596056279865E+21
n4
1.9444195856339E+29
n5
4.0830761880068E+36
2 √n
4582.4606926847
3 √n
275.88780183695
4 √n
67.693874853525
5 √n
29.136642100566
8 divisors
τ
Total Divisors
8
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20998945
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.125
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
8
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20998946 can be divided by 8 positive divisors.
The sum of these divisors (counting 20998946) is 1, the average is 0.125.
Base
System
Value
2
Binary
1010000000110101100100010
3
Ternary
1110111212010202
4
Quaternary
1100012230202
5
Quinary
20333431241
6
Senary
2030025202
8
Octal
120065442
10
Decimal
20998946
12
Duodecimal
7048202
16
Hexadecimal
1406b22
20
Vigesimal
6b4h76
36
Base36
ci2w2
md5
3df9ea30ea2fe172a1920747e868bc6d
sha1
38f968a35db5d0c73cfed4243c1cf6279b852fa2
sha256
45e8aad547dec3357a0e9b439f65105ae903a03f3897c6113945fd6389742de1
sha512
280df0e1ef0fbf6f8c471523b64bae90c3df8f31ad3d0e722b6a431c795b59d4534b997241b4d1e9e2c82c4e8754cd6ec1b866b549387319e60031a56673454b
ripemd-160
df9354dfa990f887e3436133639ebfc3ee7d5487
Diameter
41997892
Circumference
131940268.97346
Area
1.3853032916996E+15
Volume
3.8786545354695E+22
Surface area
5.5412131667982E+15
Circumference
131940268.97346
Perimeter
83995784
Area
440955733110916
Diagonal
29696994.22874
Surface area
2645734398665496
Volume
9.2596056279865E+21
Space diagonal
36371241.377395
Perimeter
62996838
Area
1.9093943340922E+14
Altitude
18185620.688698
Surface area
1.9093943340922E+14
Volume
1.0912549884437E+21
Height
9898998.0762468