20454889 is an odd 8-digits composite number following 20454888
and preceding 20454890 . In scientific notation, it is written as 2.0454889 × 10^7.
The sum of its digits is 40. It has a total of 3 prime factors and 8 positive divisors.
There are 14902272 positive integers (up to 20454889) that are relatively prime to 20454889.
20454889 has 8 divisors, whose sum is 21415680
The reverse of 20454889 is 98845402
Previous prime number is 23
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 40
Digital Root 4
Name
twenty million four hundred fifty-four thousand eight hundred eighty-nine
Scientific notation
2.0454889 × 10^7
Engineering notation
2.0454889 × 10^6
Prime Factorization
2639 × 23 × 337
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
20454889
Product of the distinct prime numbers
The prime factorization of 20454889 is 2639 × 23 × 337.
Since it has a total of 3 prime factors.
9 , 4 , 16 , 85 , 120 , 374 , 2330 , 5393 , 27792 , 52440 , 244876 , 664530 , 4939450 , 6593527 , 4138246 , 3694560 , 439852248 , 748287565 , 5864367867 , 7850442007
n×2
40909778
n×3
61364667
n×4
81819556
n×5
102274445
n÷2
10227444.5
n÷3
6818296.3333333
n÷3
5113722.25
n÷5
4090977.8
n2
418402484002321
n3
8.5583763675918E+21
n4
1.7506063861931E+29
n5
3.5808459312272E+36
2 √n
4522.708148886
3 √n
273.48428488612
4 √n
67.251082882627
5 √n
28.984073705368
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
-20454888
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 20454889 can be divided by 8 positive divisors.
The sum of these divisors (counting 20454889) is 1, the average is 0.125.
Base
System
Value
2
Binary
1001110000001110111101001
3
Ternary
1102111012211111
4
Quaternary
1032001313221
5
Quinary
20214024024
6
Senary
2010230321
8
Octal
116016751
10
Decimal
20454889
12
Duodecimal
6a253a1
16
Hexadecimal
1381de9
20
Vigesimal
67gh49
36
Base36
c6f3d
md5
21cd5799b00f4bb5e47a71612e7f95dc
sha1
ad151888886e394b8fa45030196f13127f63483d
sha256
c0c155b8c7ad2611bd55f6f64d1bd8c21f428561ff647439ee03248b9aa8a94a
sha512
1422af3f66ee4d6ed96de32820b3be292a619d60721bf54865b05abe6bb96842069a855545939b6e390778fb42ad6c66905cf4a7db98cc31c31d43974d07a705
ripemd-160
9403194e294dface1ae6b0403e2890569c9d875d
Diameter
40909778
Circumference
128521858.02479
Area
1.3144501699854E+15
Volume
3.5849243097444E+22
Surface area
5.2578006799416E+15
Circumference
128521858.02479
Perimeter
81819556
Area
418402484002321
Diagonal
28927581.440636
Surface area
2510414904013926
Volume
8.5583763675918E+21
Space diagonal
35428907.011182
Perimeter
61364667
Area
1.8117359007626E+14
Altitude
17714453.505591
Surface area
1.8117359007626E+14
Volume
1.0086143275785E+21
Height
9642527.1468787