38991908 is an even 8-digits composite number following 38991907
and preceding 38991909 . In scientific notation, it is written as 3.8991908 × 10^7.
The sum of its digits is 47. It has a total of 3 prime factors and 6 positive divisors.
There are 19495952 positive integers (up to 38991908) that are relatively prime to 38991908.
38991908 has 6 divisors, whose sum is 68235846
The reverse of 38991908 is 80919983
Previous prime number is 2
Is Prime? no
Number parity even
Number length 8
Sum of Digits 47
Digital Root 2
Name
thirty-eight million nine hundred ninety-one thousand nine hundred eight
Scientific notation
3.8991908 × 10^7
Engineering notation
3.8991908 × 10^6
Prime Factorization
2 × 2 × 9747977
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
19495954
Product of the distinct prime numbers
The prime factorization of 38991908 is 2 × 2 × 9747977.
Since it has a total of 3 prime factors.
5 , 9 , 52 , 48 , 470 , 8 , 5508 , 6210 , 99101 , 62027 , 284066 , 19619 , 8550154 , 2509304 , 58663010 , 51095396 , 368470316 , 701300284 , 9235025141 , 4813414033
n×2
77983816
n×3
116975724
n×4
155967632
n×5
194959540
n÷2
19495954
n÷3
12997302.666667
n÷3
9747977
n÷5
7798381.6
n2
1520368889480464
n3
5.9282083864684E+22
n4
2.3115215601001E+30
n5
9.0130636011438E+37
2 √n
6244.350086278
3 √n
339.09768824915
4 √n
79.021200233089
5 √n
32.97576636353
6 divisors
τ
Total Divisors
6
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-38991907
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.16666666666667
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
6
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 38991908 can be divided by 6 positive divisors.
The sum of these divisors (counting 38991908) is 1, the average is 0.16666666666667.
Base
System
Value
2
Binary
10010100101111100000100100
3
Ternary
2201100222211202
4
Quaternary
2110233200210
5
Quinary
34440220113
6
Senary
3511422032
8
Octal
224574044
10
Decimal
38991908
12
Duodecimal
11084918
16
Hexadecimal
252f824
20
Vigesimal
c3djf8
36
Base36
n7qck
md5
efb6c98b4b3b47726737051f97950184
sha1
6b4ff31c8479450403a3678907249bf0938dc6db
sha256
5246075cbc5887f3fef0160ca2c7e4effd12a2683a86c0d7eb6f7f54f090c3be
sha512
8211b48ad23f89f3e559564528c288d934bae51b176374e66b1c89a72ca92aa7012844bbe2e59c888eefe6501fa810df726cd7934b43f58821ceccddd7203257
ripemd-160
70ae4acbe1a7f05bb309aba12c936a7a4ef1b74f
Diameter
77983816
Circumference
244993383.4445
Area
4.7763797339383E+15
Volume
2.4832021221172E+23
Surface area
1.9105518935753E+16
Circumference
244993383.4445
Perimeter
155967632
Area
1520368889480464
Diagonal
55142885.116404
Surface area
9122213336882784
Volume
5.9282083864684E+22
Space diagonal
67535965.740051
Perimeter
116975724
Area
6.5833904070681E+14
Altitude
33767982.870026
Surface area
6.5833904070681E+14
Volume
6.9864605839313E+21
Height
18380961.705468