38691947 is an odd 8-digits composite number following 38691946
and preceding 38691948 . In scientific notation, it is written as 3.8691947 × 10^7.
The sum of its digits is 47. It has a total of 4 prime factors and 16 positive divisors.
There are 32387040 positive integers (up to 38691947) that are relatively prime to 38691947.
38691947 has 16 divisors, whose sum is 45268992
The reverse of 38691947 is 74919683
Previous prime number is 127
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 47
Digital Root 2
Name
thirty-eight million six hundred ninety-one thousand nine hundred forty-seven
Scientific notation
3.8691947 × 10^7
Engineering notation
3.8691947 × 10^6
Prime Factorization
7 × 71 × 127 × 613
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
38691947
Product of the distinct prime numbers
The prime factorization of 38691947 is 7 × 71 × 127 × 613.
Since it has a total of 4 prime factors.
8 , 5 , 30 , 95 , 12 , 189 , 44 , 8918 , 65889 , 47210 , 254673 , 189738 , 9970943 , 7676493 , 28182653 , 26206303 , 912007038 , 515396976 , 5636485672 , 9554235756
n×2
77383894
n×3
116075841
n×4
154767788
n×5
193459735
n÷2
19345973.5
n÷3
12897315.666667
n÷3
9672986.75
n÷5
7738389.4
n2
1497066762650809
n3
5.7924427835947E+22
n4
2.2412088918338E+30
n5
8.6716735658761E+37
2 √n
6220.2851220824
3 √n
338.22590024602
4 √n
78.868784205682
5 √n
32.924873636362
1 , 7 , 71 , 127 , 497 , 613 , 889 , 4291 , 9017 , 43523 , 63119 , 77851 , 304661 , 544957 , 5527421 , 38691947
16 divisors
τ
Total Divisors
16
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-38691946
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.0625
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
16
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 38691947 can be divided by 16 positive divisors.
The sum of these divisors (counting 38691947) is 1, the average is 0.0625.
Base
System
Value
2
Binary
10010011100110010001101011
3
Ternary
2200210202101002
4
Quaternary
2103212101223
5
Quinary
34401120242
6
Senary
3501145215
8
Octal
223462153
10
Decimal
38691947
12
Duodecimal
10b5b20b
16
Hexadecimal
24e646b
20
Vigesimal
c1g9h7
36
Base36
n1awb
md5
94e7b5959ed702a8dc13adfe0e29de59
sha1
574dbcd538652050aff6fe8ee5a1ce0b6b7d66a1
sha256
e4182886f041d0e47b93d156bf6152f3ced00ce32be4ad6cfad65b68a98598eb
sha512
7a43eb11821ea7d8fb333a9467f229a623a2886ec1ceecf3482c33146518fc7767c72c577b4db6564d280733b7de3f1715cfad2f27c104011995452cc75a6984
ripemd-160
48ce3aa6840c900f31649998487668a480771e35
Diameter
77383894
Circumference
243108672.89657
Area
4.7031739434772E+15
Volume
2.4263327593707E+23
Surface area
1.8812695773909E+16
Circumference
243108672.89657
Perimeter
154767788
Area
1497066762650809
Diagonal
54718676.202021
Surface area
8982400575904854
Volume
5.7924427835947E+22
Space diagonal
67016418.047762
Perimeter
116075841
Area
6.4824892380846E+14
Altitude
33508209.023881
Surface area
6.4824892380846E+14
Volume
6.8264592865248E+21
Height
18239558.734007