18402008 is an even 8-digits composite number following 18402007
and preceding 18402009 . In scientific notation, it is written as 1.8402008 × 10^7.
The sum of its digits is 23. It has a total of 5 prime factors and 16 positive divisors.
There are 8883616 positive integers (up to 18402008) that are relatively prime to 18402008.
18402008 has 16 divisors, whose sum is 35694000
The reverse of 18402008 is 80020481
Previous prime number is 29
Is Prime? no
Number parity even
Number length 8
Sum of Digits 23
Digital Root 5
Name
eighteen million four hundred two thousand eight
Scientific notation
1.8402008 × 10^7
Engineering notation
1.8402008 × 10^6
Prime Factorization
2 × 2 × 2 × 29 × 79319
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
4600502
Product of the distinct prime numbers
The prime factorization of 18402008 is 2 × 2 × 2 × 29 × 79319.
Since it has a total of 5 prime factors.
7 , 7 , 35 , 82 , 124 , 811 , 7852 , 2492 , 7080 , 72827 , 817772 , 589793 , 8073979 , 7943703 , 78664162 , 81479078 , 281741920 , 600457760 , 3905531875 , 1737801196
n×2
36804016
n×3
55206024
n×4
73608032
n×5
92010040
n÷2
9201004
n÷3
6134002.6666667
n÷3
4600502
n÷5
3680401.6
n2
338633898432064
n3
6.231543708018E+21
n4
1.146729171673E+29
n5
2.1102119390959E+36
2 √n
4289.7561702269
3 √n
264.01082753266
4 √n
65.496230198592
5 √n
28.377428822639
1 , 2 , 4 , 8 , 29 , 58 , 116 , 232 , 79319 , 158638 , 317276 , 634552 , 2300251 , 4600502 , 9201004 , 18402008
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
-18402007
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 18402008 can be divided by 16 positive divisors.
The sum of these divisors (counting 18402008) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1000110001100101011011000
3
Ternary
1021121220210212
4
Quaternary
1012030223120
5
Quinary
14202331013
6
Senary
1454230252
8
Octal
106145330
10
Decimal
18402008
12
Duodecimal
61b5388
16
Hexadecimal
118cad8
20
Vigesimal
5f0508
36
Base36
ayf2w
md5
d2758fecc87bdf9daf0c6b82d7242ba5
sha1
52c430e19261b37c4a74ba9454d07db469883997
sha256
49d068a4cdc3c045297f940af8e2421319305520d730c2003fc1a7fde35c46a2
sha512
cbd8997e5c29ef40e28d02645165758de6c37cc55d54d48712212ddec27dbfa8f39b7d118e58264c44b548c71e4f94f0b86d24f72b8fddc7c4c6a0a7ba0518a2
ripemd-160
d11c5caea80f9514defb93eb826b4b570d1da3a4
Diameter
36804016
Circumference
115623226.2882
Area
1.0638497675706E+15
Volume
2.6102629244844E+22
Surface area
4.2553990702826E+15
Circumference
115623226.2882
Perimeter
73608032
Area
338633898432064
Diagonal
26024369.288498
Surface area
2031803390592384
Volume
6.231543708018E+21
Space diagonal
31873212.817289
Perimeter
55206024
Area
1.4663277931236E+14
Altitude
15936606.408644
Surface area
1.4663277931236E+14
Volume
7.3439446886665E+20
Height
8674789.7628327