20138900 is an even 8-digits composite number following 20138899
and preceding 20138901 . In scientific notation, it is written as 2.0138900 × 10^7.
The sum of its digits is 23. It has a total of 4 prime factors and 12 positive divisors.
There are 8055520 positive integers (up to 20138900) that are relatively prime to 20138900.
20138900 has 12 divisors, whose sum is 36652980
The reverse of 20138900 is 00983102
Previous prime number is 25
Is Prime? no
Number parity even
Number length 8
Sum of Digits 23
Digital Root 5
Name
twenty million one hundred thirty-eight thousand nine hundred
Scientific notation
2.0138900 × 10^7
Engineering notation
2.0138900 × 10^6
Prime Factorization
2 × 2 × 25 × 201389
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
10069450
Product of the distinct prime numbers
The prime factorization of 20138900 is 2 × 2 × 25 × 201389.
Since it has a total of 4 prime factors.
7 , 9 , 79 , 24 , 442 , 292 , 6357 , 4312 , 41895 , 79294 , 11803 , 652245 , 7218488 , 42242 , 56339213 , 19153550 , 197786634 , 164682064 , 4358669445 , 8369509403
n×2
40277800
n×3
60416700
n×4
80555600
n×5
100694500
n÷2
10069450
n÷3
6712966.6666667
n÷3
5034725
n÷5
4027780
n2
405575293210000
n3
8.1678402724269E+21
n4
1.6449131846238E+29
n5
3.312674213382E+36
2 √n
4487.6385772475
3 √n
272.06870020719
4 √n
66.989839358275
5 √n
28.89396544598
1 , 2 , 4 , 25 , 50 , 100 , 201389 , 402778 , 805556 , 5034725 , 10069450 , 20138900
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
-20138899
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 20138900 can be divided by 12 positive divisors.
The sum of these divisors (counting 20138900) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
1001100110100101110010100
3
Ternary
1101220011101012
4
Quaternary
1030310232110
5
Quinary
20123421100
6
Senary
1555351352
8
Octal
114645624
10
Decimal
20138900
12
Duodecimal
68b2558
16
Hexadecimal
1334b94
20
Vigesimal
65h750
36
Base36
bzn9w
md5
9b887e8b78c364f3a119c149446529d0
sha1
20a1f300f54170e939686527394a5644769758ad
sha256
327390a458e960f93363c152f3d9fe7da5b9eb51bbe5160072488117b66e9538
sha512
9fa32af4bc172d751add884d61676060ccd71aa174753ab4163d51f0cea7dc4f8f20cfaf8bc8f8544f3488f8858b9b45613a7b75d16b5601951e7d33317890ed
ripemd-160
e427492ef4f9f7f024ed098c2e5df11fe4cdf22f
Diameter
40277800
Circumference
126536440.58276
Area
1.2741523616261E+15
Volume
3.4213369327401E+22
Surface area
5.0966094465042E+15
Circumference
126536440.58276
Perimeter
80555600
Area
405575293210000
Diagonal
28480705.511276
Surface area
2433451759260000
Volume
8.1678402724269E+21
Space diagonal
34881598.008549
Perimeter
60416700
Area
1.7561925353359E+14
Altitude
17440799.004274
Surface area
1.7561925353359E+14
Volume
9.6258920738027E+20
Height
9493568.5037585