20990425 is an odd 8-digits composite number following 20990424
and preceding 20990426 . In scientific notation, it is written as 2.0990425 × 10^7.
The sum of its digits is 31. It has a total of 3 prime factors and 6 positive divisors.
There are 16792320 positive integers (up to 20990425) that are relatively prime to 20990425.
20990425 has 6 divisors, whose sum is 26028158
The reverse of 20990425 is 52409902
Previous prime number is 5
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 31
Digital Root 4
Name
twenty million nine hundred ninety thousand four hundred twenty-five
Scientific notation
2.0990425 × 10^7
Engineering notation
2.0990425 × 10^6
Prime Factorization
5 × 5 × 839617
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
4198085
Product of the distinct prime numbers
The prime factorization of 20990425 is 5 × 5 × 839617.
Since it has a total of 3 prime factors.
3 , 9 , 48 , 97 , 79 , 985 , 3154 , 9689 , 69190 , 88053 , 459481 , 666969 , 9045463 , 1354290 , 65755714 , 14866838 , 931307386 , 672282240 , 9989019746 , 2634278479
n×2
41980850
n×3
62971275
n×4
83961700
n×5
104952125
n÷2
10495212.5
n÷3
6996808.3333333
n÷3
5247606.25
n÷5
4198085
n2
440597941680625
n3
9.2483380500015E+21
n4
1.941265462132E+29
n5
4.0747987087973E+36
2 √n
4581.5308576937
3 √n
275.85047999537
4 √n
67.68700656473
5 √n
29.134277090102
6 divisors
τ
Total Divisors
6
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20990424
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.16666666666667
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
6
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20990425 can be divided by 6 positive divisors.
The sum of these divisors (counting 20990425) is 1, the average is 0.16666666666667.
Base
System
Value
2
Binary
1010000000100100111011001
3
Ternary
1110111102110011
4
Quaternary
1100010213121
5
Quinary
20333143200
6
Senary
2025521521
8
Octal
120044731
10
Decimal
20990425
12
Duodecimal
70432a1
16
Hexadecimal
14049d9
20
Vigesimal
6b3g15
36
Base36
chwbd
md5
db86594b22054c7ad0ac79acf3fc959c
sha1
6817cb3f09111de8f87027d38e482832ec2b6f02
sha256
04305feb6124046d6946001271e6aee69bdf7f04f9074e30dac060d6197f74d4
sha512
6c8b985854d18b2ea1a6726724e4267d6c0387949eea621f324fa3fe1f5c5dd6650d15b448f989d503f120076e94606471fc1f4b2f4df001256f1388eb32c44c
ripemd-160
6b4d17c7ef21a52cd453010309eee58fc90754a3
Diameter
41980850
Circumference
131886729.95146
Area
1.3841792567706E+15
Volume
3.87393478344E+22
Surface area
5.5367170270825E+15
Circumference
131886729.95146
Perimeter
83961700
Area
440597941680625
Diagonal
29684943.714975
Surface area
2643587650083750
Volume
9.2483380500015E+21
Space diagonal
36356482.572464
Perimeter
62971275
Area
1.9078450517528E+14
Altitude
18178241.286232
Surface area
1.9078450517528E+14
Volume
1.0899270916436E+21
Height
9894981.2383251