38642905 is an odd 8-digits composite number following 38642904
and preceding 38642906 . In scientific notation, it is written as 3.8642905 × 10^7.
The sum of its digits is 37. It has a total of 4 prime factors and 16 positive divisors.
There are 26301312 positive integers (up to 38642905) that are relatively prime to 38642905.
38642905 has 16 divisors, whose sum is 53389440
The reverse of 38642905 is 50924683
Previous prime number is 137
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 37
Digital Root 1
Name
thirty-eight million six hundred forty-two thousand nine hundred five
Scientific notation
3.8642905 × 10^7
Engineering notation
3.8642905 × 10^6
Prime Factorization
5 × 7 × 137 × 8059
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
38642905
Product of the distinct prime numbers
The prime factorization of 38642905 is 5 × 7 × 137 × 8059.
Since it has a total of 4 prime factors.
2 , 7 , 23 , 96 , 842 , 579 , 3903 , 4762 , 51728 , 97887 , 572503 , 784217 , 56655 , 5758566 , 531522 , 78823256 , 963952471 , 407364722 , 1728297970 , 9121428432
n×2
77285810
n×3
115928715
n×4
154571620
n×5
193214525
n÷2
19321452.5
n÷3
12880968.333333
n÷3
9660726.25
n÷5
7728581
n2
1493274106839025
n3
5.770444944954E+22
n4
2.2298675581559E+30
n5
8.61685602124E+37
2 √n
6216.3417698836
3 √n
338.08293951006
4 √n
78.843780793945
5 √n
32.916522953317
1 , 5 , 7 , 35 , 137 , 685 , 959 , 4795 , 8059 , 40295 , 56413 , 282065 , 1104083 , 5520415 , 7728581 , 38642905
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
-38642904
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 38642905 can be divided by 16 positive divisors.
The sum of these divisors (counting 38642905) is 1, the average is 0.0625.
Base
System
Value
2
Binary
10010011011010010011011001
3
Ternary
2200201021002201
4
Quaternary
2103122103121
5
Quinary
34343033110
6
Senary
3500130201
8
Octal
223322331
10
Decimal
38642905
12
Duodecimal
10b36961
16
Hexadecimal
24da4d9
20
Vigesimal
c1a755
36
Base36
n0921
md5
9e5a74f4f2cca74814706b5c4681b7ca
sha1
f5983f32b51c86add2ea662c0c1b96c4fef1b53e
sha256
ae3fff6263e3ad590a9e90c224549d72a72e916d7871d9d76825b1378d024155
sha512
68532ab1a659ad01f372b9c654d9011aa29f7fb4c5d619c2cf9fc79479aee4a32229d875bc8e531dfafa1f4f545801ccd1740be51353947f43f2dbf330ffe621
ripemd-160
e04bf3ae939de8e5fe28921b339e03eb0b3b039d
Diameter
77285810
Circumference
242800532.92274
Area
4.6912589638413E+15
Volume
2.4171183262683E+23
Surface area
1.8765035855365E+16
Circumference
242800532.92274
Perimeter
154571620
Area
1493274106839025
Diagonal
54649320.340495
Surface area
8959644641034150
Volume
5.770444944954E+22
Space diagonal
66931474.812057
Perimeter
115928715
Area
6.4660665566806E+14
Altitude
33465737.406029
Surface area
6.4660665566806E+14
Volume
6.8005345850677E+21
Height
18216440.113498