38642972 is an even 8-digits composite number following 38642971
and preceding 38642973 . In scientific notation, it is written as 3.8642972 × 10^7.
The sum of its digits is 41. It has a total of 4 prime factors and 12 positive divisors.
There are 18184896 positive integers (up to 38642972) that are relatively prime to 38642972.
38642972 has 12 divisors, whose sum is 71603280
The reverse of 38642972 is 27924683
Previous prime number is 17
Is Prime? no
Number parity even
Number length 8
Sum of Digits 41
Digital Root 5
Name
thirty-eight million six hundred forty-two thousand nine hundred seventy-two
Scientific notation
3.8642972 × 10^7
Engineering notation
3.8642972 × 10^6
Prime Factorization
2 × 2 × 17 × 568279
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
19321486
Product of the distinct prime numbers
The prime factorization of 38642972 is 2 × 2 × 17 × 568279.
Since it has a total of 4 prime factors.
1 , 9 , 86 , 19 , 861 , 234 , 4653 , 6743 , 86609 , 24448 , 407746 , 756001 , 2930577 , 8123323 , 41654025 , 27346332 , 297089293 , 953833942 , 2772542978 , 9134847391
n×2
77285944
n×3
115928916
n×4
154571888
n×5
193214860
n÷2
19321486
n÷3
12880990.666667
n÷3
9660743
n÷5
7728594.4
n2
1493279284992784
n3
5.7704749598156E+22
n4
2.2298830229886E+30
n5
8.6169307220622E+37
2 √n
6216.3471589029
3 √n
338.08313490206
4 √n
78.843814969235
5 √n
32.916534367601
1 , 2 , 4 , 17 , 34 , 68 , 568279 , 1136558 , 2273116 , 9660743 , 19321486 , 38642972
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
-38642971
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 38642972 can be divided by 12 positive divisors.
The sum of these divisors (counting 38642972) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
10010011011010010100011100
3
Ternary
2200201021012012
4
Quaternary
2103122110130
5
Quinary
34343033342
6
Senary
3500130352
8
Octal
223322434
10
Decimal
38642972
12
Duodecimal
10b369b8
16
Hexadecimal
24da51c
20
Vigesimal
c1a78c
36
Base36
n093w
md5
4d52b6028958a4f5d8ae6dce3d0829ab
sha1
dac429fd2139da64f4d2a1cdcf49473568ea122b
sha256
cc0359adc11763d3965f69a577e7d34e28920de319eeee3fa0c2baf77a4e00ac
sha512
c06dd6a1f331e7f729e85661f6bdee58843dcc0aed752ef7513773ee626a94d77db602ccd89129464738cdcd6174d2ef22dd5aec4385f3148aa0e273be29f9d9
ripemd-160
6c160c5d94b371d5e51037dc8f690e2955670580
Diameter
77285944
Circumference
242800953.89615
Area
4.6912752314911E+15
Volume
2.4171308988641E+23
Surface area
1.8765100925965E+16
Circumference
242800953.89615
Perimeter
154571888
Area
1493279284992784
Diagonal
54649415.092804
Surface area
8959675709956704
Volume
5.7704749598156E+22
Space diagonal
66931590.859462
Perimeter
115928916
Area
6.4660889787441E+14
Altitude
33465795.429731
Surface area
6.4660889787441E+14
Volume
6.8005699579213E+21
Height
18216471.697601