20454938 is an even 8-digits composite number following 20454937
and preceding 20454939 . In scientific notation, it is written as 2.0454938 × 10^7.
The sum of its digits is 35. It has a total of 4 prime factors and 16 positive divisors.
There are 8739456 positive integers (up to 20454938) that are relatively prime to 20454938.
20454938 has 16 divisors, whose sum is 35173440
The reverse of 20454938 is 83945402
Previous prime number is 353
Is Prime? no
Number parity even
Number length 8
Sum of Digits 35
Digital Root 8
Name
twenty million four hundred fifty-four thousand nine hundred thirty-eight
Scientific notation
2.0454938 × 10^7
Engineering notation
2.0454938 × 10^6
Prime Factorization
2 × 7 × 353 × 4139
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
20454938
Product of the distinct prime numbers
The prime factorization of 20454938 is 2 × 7 × 353 × 4139.
Since it has a total of 4 prime factors.
4 , 4 , 35 , 15 , 813 , 495 , 9057 , 4306 , 56468 , 42987 , 843981 , 466358 , 2282945 , 5886843 , 75250122 , 53701538 , 32011721 , 534202294 , 9009392340 , 5107455046
n×2
40909876
n×3
61364814
n×4
81819752
n×5
102274690
n÷2
10227469
n÷3
6818312.6666667
n÷3
5113734.5
n÷5
4090987.6
n2
418404488583844
n3
8.5584378729042E+21
n4
1.7506231606711E+29
n5
3.5808888212891E+36
2 √n
4522.7135659911
3 √n
273.48450326455
4 √n
67.251123157841
5 √n
28.984087591713
1 , 2 , 7 , 14 , 353 , 706 , 2471 , 4139 , 4942 , 8278 , 28973 , 57946 , 1461067 , 2922134 , 10227469 , 20454938
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
-20454937
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 20454938 can be divided by 16 positive divisors.
The sum of these divisors (counting 20454938) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1001110000001111000011010
3
Ternary
1102111012220022
4
Quaternary
1032001320122
5
Quinary
20214024223
6
Senary
2010230442
8
Octal
116017032
10
Decimal
20454938
12
Duodecimal
6a25422
16
Hexadecimal
1381e1a
20
Vigesimal
67gh6i
36
Base36
c6f4q
md5
5bed7830be7562b9af37e747088a3c3c
sha1
80aff2f446d4ea47dc6192e042ed8f2aaae7cba4
sha256
67a56c45ced45dd8e13703b703b3ab883dcc0423542c4a446b306fe97e3932c1
sha512
bb9429d00c7a8818ba8176e95af5ef530041876e383729df0926cd0a03fdbb560c17fecfc0ef36e7dbaadd94ee799e675b16b326df5d961f2f3b8fddb4dfc6d7
ripemd-160
68fea2050f3b672ed7c9046145eb7a3d06b6bdd3
Diameter
40909876
Circumference
128522165.90087
Area
1.314456467564E+15
Volume
3.5849500730294E+22
Surface area
5.257825870256E+15
Circumference
128522165.90087
Perimeter
81819752
Area
418404488583844
Diagonal
28927650.737101
Surface area
2510426931503064
Volume
8.5584378729042E+21
Space diagonal
35428991.881671
Perimeter
61364814
Area
1.8117445808552E+14
Altitude
17714495.940836
Surface area
1.8117445808552E+14
Volume
1.0086215760491E+21
Height
9642550.2457003