20454989 is an odd 8-digits prime number following 20454988
and preceding 20454990 . In scientific notation, it is written as 2.0454989 × 10^7.
The sum of its digits is 41. It has a total of 1 prime factors and 2 positive divisors.
There are 20454988 positive integers (up to 20454989) that are relatively prime to 20454989.
20454989 has 2 divisors, whose sum is 20454990
The reverse of 20454989 is 98945402
Previous prime number is 1
Is Prime? yes
Number parity odd
Number length 8
Sum of Digits 41
Digital Root 5
Name
twenty million four hundred fifty-four thousand nine hundred eighty-nine
Scientific notation
2.0454989 × 10^7
Engineering notation
2.0454989 × 10^6
Prime Factorization
20454989
Composite number
ω
Distinct Factors
1
Total number of distinct prime factors
Ω
Total Factors
1
Total number of prime factors
rad
Radical
20454989
Product of the distinct prime numbers
The prime factorization of 20454989 is 20454989.
Since it has a total of 1 prime factors.
1 , 5 , 74 , 58 , 634 , 762 , 5687 , 3730 , 56287 , 29000 , 209465 , 889456 , 9790524 , 2769826 , 31731966 , 4811158 , 41238293 , 851438923 , 3433759146 , 9481793296
n×2
40909978
n×3
61364967
n×4
81819956
n×5
102274945
n÷2
10227494.5
n÷3
6818329.6666667
n÷3
5113747.25
n÷5
4090997.8
n2
418406574990121
n3
8.5585018889506E+21
n4
1.7506406199496E+29
n5
3.5809334624023E+36
2 √n
4522.7192041956
3 √n
273.48473055601
4 √n
67.251165076864
5 √n
28.98410204482
2 divisors
τ
Total Divisors
2
Total number of the positive divisors of n
σ
Sum of Divisors
20454990
Sum of all the positive divisors of n
s
Aliquot Sum
1
Sum of the proper positive divisors of n
A
Arithmetic Mean
10227495
Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G
Geometric Mean
4522.7193147486
Returns the nth root of the product of n divisors
H
Harmonic Mean
1.9999999022243
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20454989 can be divided by 2 positive divisors.
The sum of these divisors (counting 20454989) is 20454990, the average is 10227495.
Base
System
Value
2
Binary
1001110000001111001001101
3
Ternary
1102111012222012
4
Quaternary
1032001321031
5
Quinary
20214024424
6
Senary
2010231005
8
Octal
116017115
10
Decimal
20454989
12
Duodecimal
6a25465
16
Hexadecimal
1381e4d
20
Vigesimal
67gh99
36
Base36
c6f65
md5
983ca1eed4240bd828b0835b39edc2bc
sha1
3283cefb5dc860da1e0a4cedafa80fa01d751002
sha256
fd20d2f621fa6126f6e6a2436c4659dec4b6b6c66224d43ad774d5cd67bf55c2
sha512
6bd63dfb41da239d6325d68031ec21990858140650fc8e07a74691229242e86d2c8f1a4f54ab84adccec9096764affd4c6733a28172ec3a8ef7ad7e4b48187d0
ripemd-160
b594cb21a70055f8c7f38fe17d3adaeb76e84a5d
Diameter
40909978
Circumference
128522486.34332
Area
1.3144630222026E+15
Volume
3.5849768880082E+22
Surface area
5.2578520888105E+15
Circumference
128522486.34332
Perimeter
81819956
Area
418406574990121
Diagonal
28927722.861992
Surface area
2510439449940726
Volume
8.5585018889506E+21
Space diagonal
35429080.216262
Perimeter
61364967
Area
1.8117536152594E+14
Altitude
17714540.108131
Surface area
1.8117536152594E+14
Volume
1.0086291204125E+21
Height
9642574.2873308