38639947 is an odd 8-digits composite number following 38639946
and preceding 38639948 . In scientific notation, it is written as 3.8639947 × 10^7.
The sum of its digits is 49. It has a total of 3 prime factors and 8 positive divisors.
There are 38128200 positive integers (up to 38639947) that are relatively prime to 38639947.
38639947 has 8 divisors, whose sum is 39154752
The reverse of 38639947 is 74993683
Previous prime number is 107
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 49
Digital Root 4
Name
thirty-eight million six hundred thirty-nine thousand nine hundred forty-seven
Scientific notation
3.8639947 × 10^7
Engineering notation
3.8639947 × 10^6
Prime Factorization
331 × 107 × 1091
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
38639947
Product of the distinct prime numbers
The prime factorization of 38639947 is 331 × 107 × 1091.
Since it has a total of 3 prime factors.
9 , 6 , 2 , 79 , 482 , 456 , 4995 , 1733 , 62036 , 32628 , 342077 , 382842 , 8629308 , 8292237 , 16911638 , 79145979 , 536437609 , 518193075 , 940051237 , 5023859904
n×2
77279894
n×3
115919841
n×4
154559788
n×5
193199735
n÷2
19319973.5
n÷3
12879982.333333
n÷3
9659986.75
n÷5
7727989.4
n2
1493045504162809
n3
5.7691199149439E+22
n4
2.2291848775008E+30
n5
8.6135585519832E+37
2 √n
6216.1038440489
3 √n
338.07431287383
4 √n
78.842271936119
5 √n
32.916019005406
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
-38639946
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 38639947 can be divided by 8 positive divisors.
The sum of these divisors (counting 38639947) is 1, the average is 0.125.
Base
System
Value
2
Binary
10010011011001100101001011
3
Ternary
2200201010001011
4
Quaternary
2103121211023
5
Quinary
34342434242
6
Senary
3500104351
8
Octal
223314513
10
Decimal
38639947
12
Duodecimal
10b350b7
16
Hexadecimal
24d994b
20
Vigesimal
c19jh7
36
Base36
n06rv
md5
731ad06830bb839524239bca82a17b73
sha1
0b46bd6408ff604ce3984946f9f87c460b51e1bd
sha256
e813cce8119aaa3cd1c64693e4bdc292beb76a49500321521f9ef39cdf545ee5
sha512
9556dcd79e3f67043ad7a06d50546ae9605894c4ac137de6296e696435c2115958274fb2952afd9dd0b728b81fe1d14e56bc8fbff00e7f24bfea07e0c437cf82
ripemd-160
f752517a3941b1f1e932f680f8a8d5870bd97a8f
Diameter
77279894
Circumference
242781947.2606
Area
4.6905407873532E+15
Volume
2.4165632989955E+23
Surface area
1.8762163149413E+16
Circumference
242781947.2606
Perimeter
154559788
Area
1493045504162809
Diagonal
54645137.096778
Surface area
8958273024976854
Volume
5.7691199149439E+22
Space diagonal
66926351.405769
Perimeter
115919841
Area
6.4650766780557E+14
Altitude
33463175.702884
Surface area
6.4650766780557E+14
Volume
6.7989730222253E+21
Height
18215045.698926