20398540 is an even 8-digits composite number following 20398539
and preceding 20398541 . In scientific notation, it is written as 2.0398540 × 10^7.
The sum of its digits is 31. It has a total of 4 prime factors and 12 positive divisors.
There are 8159408 positive integers (up to 20398540) that are relatively prime to 20398540.
20398540 has 12 divisors, whose sum is 42836976
The reverse of 20398540 is 04589302
Previous prime number is 5
Is Prime? no
Number parity even
Number length 8
Sum of Digits 31
Digital Root 4
Name
twenty million three hundred ninety-eight thousand five hundred forty
Scientific notation
2.0398540 × 10^7
Engineering notation
2.0398540 × 10^6
Prime Factorization
2 × 2 × 5 × 1019927
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
10199270
Product of the distinct prime numbers
The prime factorization of 20398540 is 2 × 2 × 5 × 1019927.
Since it has a total of 4 prime factors.
7 , 7 , 4 , 42 , 18 , 75 , 4401 , 4236 , 17469 , 37275 , 300371 , 934768 , 4958845 , 9045800 , 56891858 , 4070449 , 715180833 , 230075617 , 1157267055 , 4170117196
n×2
40797080
n×3
61195620
n×4
81594160
n×5
101992700
n÷2
10199270
n÷3
6799513.3333333
n÷3
5099635
n÷5
4079708
n2
416100434131600
n3
8.4878413496508E+21
n4
1.7313957128451E+29
n5
3.5317944704298E+36
2 √n
4516.474288646
3 √n
273.23292299667
4 √n
67.204719243859
5 √n
28.968087050762
1 , 2 , 4 , 5 , 10 , 20 , 1019927 , 2039854 , 4079708 , 5099635 , 10199270 , 20398540
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
-20398539
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 20398540 can be divided by 12 positive divisors.
The sum of these divisors (counting 20398540) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
1001101110100000111001100
3
Ternary
1102101100112111
4
Quaternary
1031310013030
5
Quinary
20210223130
6
Senary
2005113404
8
Octal
115640714
10
Decimal
20398540
12
Duodecimal
69b8864
16
Hexadecimal
13741cc
20
Vigesimal
679g70
36
Base36
c57m4
md5
f0a5901baf50e6310dcb7445b220a23a
sha1
8b79b6874e032d32fba4c2705a67ddbef76e4d54
sha256
68fef285ac0b1cfcd7d220e60bebe14fc85044df4d19a4336ee63e808c9dbfaf
sha512
3f09653b2577c576cbc5f80167cd89ebb3fc220a91659f0739e406738876c5937a31ac89e9c85fff039e5a4e5392ca51e32a80c5316983da1a04991d003dae18
ripemd-160
45062972598dad9cc4dc4b774cd22283ceee9b9f
Diameter
40797080
Circumference
128167806.81592
Area
1.3072180670234E+15
Volume
3.5553786705198E+22
Surface area
5.2288722680934E+15
Circumference
128167806.81592
Perimeter
81594160
Area
416100434131600
Diagonal
28847891.92061
Surface area
2496602604789600
Volume
8.4878413496508E+21
Space diagonal
35331307.680226
Perimeter
61195620
Area
1.8017677324185E+14
Altitude
17665653.840113
Surface area
1.8017677324185E+14
Volume
1.0003016959956E+21
Height
9615963.9735367