38991808 is an even 8-digits composite number following 38991807
and preceding 38991809 . In scientific notation, it is written as 3.8991808 × 10^7.
The sum of its digits is 46. It has a total of 8 prime factors and 28 positive divisors.
There are 18647552 positive integers (up to 38991808) that are relatively prime to 38991808.
38991808 has 28 divisors, whose sum is 80741520
The reverse of 38991808 is 80819983
Previous prime number is 23
Is Prime? no
Number parity even
Number length 8
Sum of Digits 46
Digital Root 1
Name
thirty-eight million nine hundred ninety-one thousand eight hundred eight
Scientific notation
3.8991808 × 10^7
Engineering notation
3.8991808 × 10^6
Prime Factorization
2 × 2 × 2 × 2 × 2 × 2 × 23 × 26489
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
8
Total number of prime factors
rad
Radical
1218494
Product of the distinct prime numbers
The prime factorization of 38991808 is 2 × 2 × 2 × 2 × 2 × 2 × 23 × 26489.
Since it has a total of 8 prime factors.
4 , 6 , 12 , 22 , 784 , 676 , 8222 , 2841 , 23019 , 68471 , 862392 , 787968 , 7522564 , 1032921 , 66503757 , 26631910 , 220192721 , 926164 , 9272880075 , 1001210306
n×2
77983616
n×3
116975424
n×4
155967232
n×5
194959040
n÷2
19495904
n÷3
12997269.333333
n÷3
9747952
n÷5
7798361.6
n2
1520361091108864
n3
5.9281627755187E+22
n4
2.3114978473577E+30
n5
9.0129480256586E+37
2 √n
6244.3420790344
3 √n
339.09739836167
4 √n
79.021149567913
5 √n
32.975749449353
1 , 2 , 4 , 8 , 16 , 23 , 32 , 46 , 64 , 92 , 184 , 368 , 736 , 1472 , 26489 , 52978 , 105956 , 211912 , 423824 , 609247 , 847648 , 1218494 , 1695296 , 2436988 , 4873976 , 9747952 , 19495904 , 38991808
28 divisors
τ
Total Divisors
28
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-38991807
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.035714285714286
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
28
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 38991808 can be divided by 28 positive divisors.
The sum of these divisors (counting 38991808) is 1, the average is 0.035714285714286.
Base
System
Value
2
Binary
10010100101111011111000000
3
Ternary
2201100222201001
4
Quaternary
2110233133000
5
Quinary
34440214213
6
Senary
3511421344
8
Octal
224573700
10
Decimal
38991808
12
Duodecimal
11084854
16
Hexadecimal
252f7c0
20
Vigesimal
c3dja8
36
Base36
n7q9s
md5
b6f98f08085cdf921256cd2dd8675e0f
sha1
111c75464b20d3c2575c2125f4e52c66b5e6d251
sha256
f7caea02014d5fec838635efbe939449ba044fdf3bfca527d91d712f5a4790d7
sha512
429c2d79736c9c33cb741bbf0e0e4fadadb646e7452ec7f9f50e8618c2d6fec888e09613c317f7b53051c23cf86286772b051d6dd82a593a41852a040848577c
ripemd-160
87acbd9f38a65c66f0a72b99eb8d7bab6936c305
Diameter
77983616
Circumference
244992755.12597
Area
4.7763552346314E+15
Volume
2.4831830166472E+23
Surface area
1.9105420938525E+16
Circumference
244992755.12597
Perimeter
155967232
Area
1520361091108864
Diagonal
55142743.695048
Surface area
9122166546653184
Volume
5.9281627755187E+22
Space diagonal
67535792.534971
Perimeter
116975424
Area
6.5833566391285E+14
Altitude
33767896.267485
Surface area
6.5833566391285E+14
Volume
6.9864068309116E+21
Height
18380914.565016