20351390 is an even 8-digits composite number following 20351389
and preceding 20351391 . In scientific notation, it is written as 2.0351390 × 10^7.
The sum of its digits is 23. It has a total of 4 prime factors and 16 positive divisors.
There are 8065440 positive integers (up to 20351390) that are relatively prime to 20351390.
20351390 has 16 divisors, whose sum is 36970560
The reverse of 20351390 is 09315302
Previous prime number is 109
Is Prime? no
Number parity even
Number length 8
Sum of Digits 23
Digital Root 5
Name
twenty million three hundred fifty-one thousand three hundred ninety
Scientific notation
2.0351390 × 10^7
Engineering notation
2.0351390 × 10^6
Prime Factorization
2 × 5 × 109 × 18671
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
20351390
Product of the distinct prime numbers
The prime factorization of 20351390 is 2 × 5 × 109 × 18671.
Since it has a total of 4 prime factors.
7 , 7 , 30 , 43 , 241 , 293 , 3689 , 1450 , 26310 , 53904 , 932979 , 461548 , 4880007 , 2362296 , 62087699 , 4286488 , 792399204 , 12027886 , 7789172604 , 4824117675
n×2
40702780
n×3
61054170
n×4
81405560
n×5
101756950
n÷2
10175695
n÷3
6783796.6666667
n÷3
5087847.5
n÷5
4070278
n2
414179074932100
n3
8.4291198837824E+21
n4
1.7154430611161E+29
n5
3.4911650759568E+36
2 √n
4511.251489332
3 √n
273.02224008951
4 √n
67.165850618689
5 √n
28.954683053354
1 , 2 , 5 , 10 , 109 , 218 , 545 , 1090 , 18671 , 37342 , 93355 , 186710 , 2035139 , 4070278 , 10175695 , 20351390
16 divisors
τ
Total Divisors
16
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20351389
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.0625
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
16
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20351390 can be divided by 16 positive divisors.
The sum of these divisors (counting 20351390) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1001101101000100110011110
3
Ternary
1102021221212012
4
Quaternary
1031220212132
5
Quinary
20202221030
6
Senary
2004111222
8
Octal
115504636
10
Decimal
20351390
12
Duodecimal
6995512
16
Hexadecimal
136899e
20
Vigesimal
673i9a
36
Base36
c478e
md5
8b099c3a253accc60337d48fa12a3655
sha1
a9916084852d4fc87865b0ab80b71b5c6db8c302
sha256
082dcfc5a9339246c64e8f428e0013f51fbea8d4f93b2809fdfecf199c3be412
sha512
9c3dfeb859606c00da7e8847965918915674e28bde3d3ef75c3d82fb237a36a5e8fbee00ca87cb8775c1aa120b9a224bf5fec9d9d2b885a47e0e68046634eb28
ripemd-160
a9579bac40aa81aade114a7992ef8af22c3287e6
Diameter
40702780
Circumference
127871554.62868
Area
1.3011819390773E+15
Volume
3.5307814804158E+22
Surface area
5.2047277563092E+15
Circumference
127871554.62868
Perimeter
81405560
Area
414179074932100
Diagonal
28781211.751144
Surface area
2485074449592600
Volume
8.4291198837824E+21
Space diagonal
35249641.484649
Perimeter
61054170
Area
1.7934480030357E+14
Altitude
17624820.742325
Surface area
1.7934480030357E+14
Volume
9.9338130487615E+20
Height
9593737.2503814