20123847 is an odd 8-digits composite number following 20123846
and preceding 20123848 . In scientific notation, it is written as 2.0123847 × 10^7.
The sum of its digits is 27. It has a total of 4 prime factors and 12 positive divisors.
There are 13366800 positive integers (up to 20123847) that are relatively prime to 20123847.
20123847 has 12 divisors, whose sum is 29174184
The reverse of 20123847 is 74832102
Previous prime number is 283
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 27
Digital Root 9
Name
twenty million one hundred twenty-three thousand eight hundred forty-seven
Scientific notation
2.0123847 × 10^7
Engineering notation
2.0123847 × 10^6
Prime Factorization
3 × 3 × 283 × 7901
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
6707949
Product of the distinct prime numbers
The prime factorization of 20123847 is 3 × 3 × 283 × 7901.
Since it has a total of 4 prime factors.
9 , 4 , 66 , 52 , 615 , 140 , 1005 , 1850 , 87984 , 55301 , 885442 , 637607 , 9291591 , 9215669 , 83746540 , 91653894 , 434390717 , 387687378 , 7071931958 , 7386270100
n×2
40247694
n×3
60371541
n×4
80495388
n×5
100619235
n÷2
10061923.5
n÷3
6707949
n÷3
5030961.75
n÷5
4024769.4
n2
404969218079409
n3
8.1495385843397E+21
n4
1.6400006759185E+29
n5
3.300312268208E+36
2 √n
4485.9611010351
3 √n
272.0008965873
4 √n
66.9773178101
5 √n
28.889644743654
1 , 3 , 9 , 283 , 849 , 2547 , 7901 , 23703 , 71109 , 2235983 , 6707949 , 20123847
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
-20123846
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 20123847 can be divided by 12 positive divisors.
The sum of these divisors (counting 20123847) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
1001100110001000011000111
3
Ternary
1101212101201200
4
Quaternary
1030301003013
5
Quinary
20122430342
6
Senary
1555153543
8
Octal
114610307
10
Decimal
20123847
12
Duodecimal
68a58b3
16
Hexadecimal
13310c7
20
Vigesimal
65f9c7
36
Base36
bzbnr
md5
b2e2a40942f2d2427debfbc8f3f94163
sha1
0643ca3ba44203e4ee7752307e1f19390db06c6a
sha256
d9fc61fa4ec25b0eac42be92a1afc415c6e07715eea536ad8c915b51752debbe
sha512
d622d0c1e85fef7df2a43e233d0f241fd58ffde18a909beae9e6dc35b8e70b41fda3c25c1925b6342dd095055bf0594c00ce33e969982144da97ac82aa14c0e5
ripemd-160
2e06cc7f2c729adf67f84b5f55a0139fa691460b
Diameter
40247694
Circumference
126441859.79433
Area
1.2722483204483E+15
Volume
3.4136707395611E+22
Surface area
5.0889932817931E+15
Circumference
126441859.79433
Perimeter
80495388
Area
404969218079409
Diagonal
28459417.354521
Surface area
2429815308476454
Volume
8.1495385843397E+21
Space diagonal
34855525.447743
Perimeter
60371541
Area
1.7535681530374E+14
Altitude
17427762.723871
Surface area
1.7535681530374E+14
Volume
9.6043233275467E+20
Height
9486472.451507