38821428 is an even 8-digits composite number following 38821427
and preceding 38821429 . In scientific notation, it is written as 3.8821428 × 10^7.
The sum of its digits is 36. It has a total of 5 prime factors and 18 positive divisors.
There are 12940464 positive integers (up to 38821428) that are relatively prime to 38821428.
38821428 has 18 divisors, whose sum is 98132034
The reverse of 38821428 is 82412883
Previous prime number is 3
Is Prime? no
Number parity even
Number length 8
Sum of Digits 36
Digital Root 9
Name
thirty-eight million eight hundred twenty-one thousand four hundred twenty-eight
Scientific notation
3.8821428 × 10^7
Engineering notation
3.8821428 × 10^6
Prime Factorization
2 × 2 × 3 × 3 × 1078373
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
6470238
Product of the distinct prime numbers
The prime factorization of 38821428 is 2 × 2 × 3 × 3 × 1078373.
Since it has a total of 5 prime factors.
10 , 5 , 4 , 53 , 603 , 57 , 5779 , 9165 , 67985 , 57249 , 940626 , 461964 , 2874337 , 1895307 , 62657371 , 48029147 , 688917142 , 759491086 , 8400302424 , 5568679759
n×2
77642856
n×3
116464284
n×4
155285712
n×5
194107140
n÷2
19410714
n÷3
12940476
n÷3
9705357
n÷5
7764285.6
n2
1507103271959184
n3
5.8507901160928E+22
n4
2.2713602723501E+30
n5
8.8177449275099E+37
2 √n
6230.6843925848
3 √n
338.60276649675
4 √n
78.93468434462
5 √n
32.946880543477
1 , 2 , 3 , 4 , 6 , 9 , 12 , 18 , 36 , 1078373 , 2156746 , 3235119 , 4313492 , 6470238 , 9705357 , 12940476 , 19410714 , 38821428
18 divisors
τ
Total Divisors
18
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-38821427
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.055555555555556
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
18
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 38821428 can be divided by 18 positive divisors.
The sum of these divisors (counting 38821428) is 1, the average is 0.055555555555556.
Base
System
Value
2
Binary
10010100000101111000110100
3
Ternary
2201001022222200
4
Quaternary
2110011320310
5
Quinary
34414241203
6
Senary
3504024500
8
Octal
224057064
10
Decimal
38821428
12
Duodecimal
11002130
16
Hexadecimal
2505e34
20
Vigesimal
c2cdb8
36
Base36
n42t0
md5
696f0f28cadf27f39a5bad597686ef60
sha1
0dd19cc47c6f3aaecdd918cfa3f27c1759920580
sha256
04c7cdd02c572283c80453ee8c3df90a7ae61fad73f95931d5b3f66e60bbb830
sha512
8246f56d1f1698d78c44e4e480bcd69c3f822dc525532703e585a72efd58dac9a8bf6ddf29fd4bc0e2065f38b2617f57df348a5e6a82b77801f400417e1f1878
ripemd-160
eb4049d192d96c97ce3f02e0a1c0e5b8fc163e02
Diameter
77642856
Circumference
243922226.01333
Area
4.7347045673881E+15
Volume
2.450773232855E+23
Surface area
1.8938818269552E+16
Circumference
243922226.01333
Perimeter
155285712
Area
1507103271959184
Diagonal
54901789.988291
Surface area
9042619631755104
Volume
5.8507901160928E+22
Space diagonal
67240685.718377
Perimeter
116464284
Area
6.5259485982165E+14
Altitude
33620342.859189
Surface area
6.5259485982165E+14
Volume
6.8952222773141E+21
Height
18300596.662764