3981808 is an even 7-digits composite number following 3981807
and preceding 3981809 . In scientific notation, it is written as 3.981808 × 10^6.
The sum of its digits is 37. It has a total of 6 prime factors and 20 positive divisors.
There are 1873664 positive integers (up to 3981808) that are relatively prime to 3981808.
3981808 has 20 divisors, whose sum is 8169120
The reverse of 3981808 is 8081893
Previous prime number is 17
Is Prime? no
Number parity even
Number length 7
Sum of Digits 37
Digital Root 1
Name
three million nine hundred eighty-one thousand eight hundred eight
Scientific notation
3.981808 × 10^6
Engineering notation
3.981808 × 10^6
Prime Factorization
2 × 2 × 2 × 2 × 17 × 14639
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
6
Total number of prime factors
rad
Radical
497726
Product of the distinct prime numbers
The prime factorization of 3981808 is 2 × 2 × 2 × 2 × 17 × 14639.
Since it has a total of 6 prime factors.
10 , 8 , 1 , 73 , 631 , 410 , 5489 , 1567 , 42307 , 23374 , 703677 , 389560 , 8308611 , 1383192 , 87708434 , 7017931 , 111634743 , 844323655 , 9007778922 , 4716215526
n×2
7963616
n×3
11945424
n×4
15927232
n×5
19909040
n÷2
1990904
n÷3
1327269.3333333
n÷3
995452
n÷5
796361.6
n2
15854794948864
n3
6.3130749365746E+19
n4
2.5137452287052E+26
n5
1.000925086162E+33
2 √n
1995.4468171314
3 √n
158.49908944735
4 √n
44.670424411812
5 √n
20.89373407703
1 , 2 , 4 , 8 , 16 , 17 , 34 , 68 , 136 , 272 , 14639 , 29278 , 58556 , 117112 , 234224 , 248863 , 497726 , 995452 , 1990904 , 3981808
20 divisors
τ
Total Divisors
20
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-3981807
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.05
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
20
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 3981808 can be divided by 20 positive divisors.
The sum of these divisors (counting 3981808) is 1, the average is 0.05.
Base
System
Value
2
Binary
1111001100000111110000
3
Ternary
21111022000101
4
Quaternary
33030013300
5
Quinary
2004404213
6
Senary
221202144
8
Octal
17140760
10
Decimal
3981808
12
Duodecimal
1400354
16
Hexadecimal
3cc1f0
20
Vigesimal
14hea8
36
Base36
2dcds
md5
12bf180a529f49195fbde78a99fa49bd
sha1
ab0fed2199e3a6e87af7e8cbd3eeb10329be2528
sha256
649d33914e3bae5e1dad4d44fa1edb5b450810cb08313a62d44117714e14591e
sha512
b9922ab7f6d8e4b310e56c6af32fa24a07d19deb6b1ff87220127a5023eb325e97099e491c653e9a12db97c788044ef274484ca86f7e760078e2b5b2ac1eafe9
ripemd-160
9e55636f22d1b2497851ea7af4f7e0950eb3ef3f
Diameter
7963616
Circumference
25018437.52161
Area
49809307335524
Volume
2.6444146456406E+20
Surface area
1.9923722934209E+14
Circumference
25018437.52161
Perimeter
15927232
Area
15854794948864
Diagonal
5631126.8763657
Surface area
95128769693184
Volume
6.3130749365746E+19
Space diagonal
6896693.7619842
Perimeter
11945424
Area
6865327598754.7
Altitude
3448346.8809921
Surface area
6865327598754.7
Volume
7.4400301629846E+18
Height
1877042.2921219