38638021 is an odd 8-digits composite number following 38638020
and preceding 38638022 . In scientific notation, it is written as 3.8638021 × 10^7.
The sum of its digits is 31. It has a total of 3 prime factors and 8 positive divisors.
There are 38058240 positive integers (up to 38638021) that are relatively prime to 38638021.
38638021 has 8 divisors, whose sum is 39222144
The reverse of 38638021 is 12083683
Previous prime number is 193
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 31
Digital Root 4
Name
thirty-eight million six hundred thirty-eight thousand twenty-one
Scientific notation
3.8638021 × 10^7
Engineering notation
3.8638021 × 10^6
Prime Factorization
107 × 193 × 1871
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
38638021
Product of the distinct prime numbers
The prime factorization of 38638021 is 107 × 193 × 1871.
Since it has a total of 3 prime factors.
4 , 10 , 5 , 26 , 57 , 39 , 560 , 9969 , 52138 , 79085 , 412207 , 424167 , 1728653 , 7382412 , 64799547 , 25552385 , 340916606 , 405396166 , 2247769072 , 2238473814
n×2
77276042
n×3
115914063
n×4
154552084
n×5
193190105
n÷2
19319010.5
n÷3
12879340.333333
n÷3
9659505.25
n÷5
7727604.2
n2
1492896666796441
n3
5.7682572762511E+22
n4
2.2287404577319E+30
n5
8.6114120609396E+37
2 √n
6215.9489219266
3 √n
338.06869569958
4 √n
78.841289448655
5 √n
32.91569086046
8 divisors
τ
Total Divisors
8
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-38638020
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.125
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
8
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 38638021 can be divided by 8 positive divisors.
The sum of these divisors (counting 38638021) is 1, the average is 0.125.
Base
System
Value
2
Binary
10010011011001000111000101
3
Ternary
2200201000101211
4
Quaternary
2103121013011
5
Quinary
34342404041
6
Senary
3500051421
8
Octal
223310705
10
Decimal
38638021
12
Duodecimal
10b33b71
16
Hexadecimal
24d91c5
20
Vigesimal
c19f11
36
Base36
n05ad
md5
6ee234a8126b431204eff9353a760c01
sha1
a3016241f259afee8e7052efece71abaddc33869
sha256
5dbdc629c14724be4fd49733052107901cc15e1c623a1488c407f45700e11ef7
sha512
686b6962ad39afe699e31c44093e06a139e40677a9d2c3eef99a3fbd6196ad8e861470c2a91ac87aabaea6200ec3205cbf30ff69c50a06d7fb94d2b5382395ec
ripemd-160
e93fd9f7c368ec4b8cf53caf42108da8bbe28824
Diameter
77276042
Circumference
242769845.8457
Area
4.6900732009764E+15
Volume
2.4162019577448E+23
Surface area
1.8760292803906E+16
Circumference
242769845.8457
Perimeter
154552084
Area
1492896666796441
Diagonal
54642413.321456
Surface area
8957380000778646
Volume
5.7682572762511E+22
Space diagonal
66923015.475913
Perimeter
115914063
Area
6.4644321933542E+14
Altitude
33461507.737957
Surface area
6.4644321933542E+14
Volume
6.7979563927763E+21
Height
18214137.773819