20180408 is an even 8-digits composite number following 20180407
and preceding 20180409 . In scientific notation, it is written as 2.0180408 × 10^7.
The sum of its digits is 23. It has a total of 5 prime factors and 16 positive divisors.
There are 10058400 positive integers (up to 20180408) that are relatively prime to 20180408.
20180408 has 16 divisors, whose sum is 37957560
The reverse of 20180408 is 80408102
Previous prime number is 331
Is Prime? no
Number parity even
Number length 8
Sum of Digits 23
Digital Root 5
Name
twenty million one hundred eighty thousand four hundred eight
Scientific notation
2.0180408 × 10^7
Engineering notation
2.0180408 × 10^6
Prime Factorization
2 × 2 × 2 × 331 × 7621
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
5045102
Product of the distinct prime numbers
The prime factorization of 20180408 is 2 × 2 × 2 × 331 × 7621.
Since it has a total of 5 prime factors.
3 , 7 , 98 , 84 , 354 , 285 , 553 , 3178 , 45742 , 61007 , 220097 , 13187 , 2697481 , 6767132 , 15510913 , 50430921 , 822833656 , 915400809 , 7676621287 , 6611191348
n×2
40360816
n×3
60541224
n×4
80721632
n×5
100902040
n÷2
10090204
n÷3
6726802.6666667
n÷3
5045102
n÷5
4036081.6
n2
407248867046464
n3
8.2184482945354E+21
n4
1.6585163971063E+29
n5
3.3469537568295E+36
2 √n
4492.2609007047
3 √n
272.25549090988
4 √n
67.024330662116
5 √n
28.905866226751
1 , 2 , 4 , 8 , 331 , 662 , 1324 , 2648 , 7621 , 15242 , 30484 , 60968 , 2522551 , 5045102 , 10090204 , 20180408
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
-20180407
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 20180408 can be divided by 16 positive divisors.
The sum of these divisors (counting 20180408) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1001100111110110110111000
3
Ternary
1101222021022112
4
Quaternary
1030332312320
5
Quinary
20131233113
6
Senary
2000311452
8
Octal
114766670
10
Decimal
20180408
12
Duodecimal
6912588
16
Hexadecimal
133edb8
20
Vigesimal
662b08
36
Base36
c0jaw
md5
48d207eeac36e79c60ec1c95035b1359
sha1
0270ba00d3deb23a7d1f37972ef49bc02d591cc5
sha256
545a7c764000edcf4639314189f2fc153cebcc4150608ad510d996861b93d0d1
sha512
2fc73b7845f42cf6044ef796885eaf9b9381c1baae4c858768a1dc6b8ec9b3fb3475fdd96e344bfb9ad87d1a43533e9d91adee5eb04ea4e48041aedaa548e550
ripemd-160
3908848099ff96a0919113ef11ace5b048e2abff
Diameter
40360816
Circumference
126797243.03849
Area
1.2794100488959E+15
Volume
3.4425355714693E+22
Surface area
5.1176401955838E+15
Circumference
126797243.03849
Perimeter
80721632
Area
407248867046464
Diagonal
28539406.687823
Surface area
2443493202278784
Volume
8.2184482945354E+21
Space diagonal
34953491.973469
Perimeter
60541224
Area
1.7634393226233E+14
Altitude
17476745.986735
Surface area
1.7634393226233E+14
Volume
9.6855341998283E+20
Height
9513135.5626075