21392008 is an even 8-digits composite number following 21392007
and preceding 21392009 . In scientific notation, it is written as 2.1392008 × 10^7.
The sum of its digits is 25. It has a total of 5 prime factors and 16 positive divisors.
There are 9723600 positive integers (up to 21392008) that are relatively prime to 21392008.
21392008 has 16 divisors, whose sum is 43756560
The reverse of 21392008 is 80029312
Previous prime number is 11
Is Prime? no
Number parity even
Number length 8
Sum of Digits 25
Digital Root 7
Name
twenty-one million three hundred ninety-two thousand eight
Scientific notation
2.1392008 × 10^7
Engineering notation
2.1392008 × 10^6
Prime Factorization
2 × 2 × 2 × 11 × 243091
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
5348002
Product of the distinct prime numbers
The prime factorization of 21392008 is 2 × 2 × 2 × 11 × 243091.
Since it has a total of 5 prime factors.
10 , 10 , 50 , 40 , 913 , 933 , 1258 , 3129 , 37827 , 37952 , 510554 , 926389 , 7199606 , 2398008 , 91292219 , 30572925 , 411727300 , 470600705 , 9459638717 , 7383555380
n×2
42784016
n×3
64176024
n×4
85568032
n×5
106960040
n÷2
10696004
n÷3
7130669.3333333
n÷3
5348002
n÷5
4278401.6
n2
457618006272064
n3
9.789368051116E+21
n4
2.0941423966442E+29
n5
4.4797910902152E+36
2 √n
4625.1495110969
3 √n
277.59854412113
4 √n
68.00845176224
5 √n
29.244911433526
1 , 2 , 4 , 8 , 11 , 22 , 44 , 88 , 243091 , 486182 , 972364 , 1944728 , 2674001 , 5348002 , 10696004 , 21392008
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
-21392007
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 21392008 can be divided by 16 positive divisors.
The sum of these divisors (counting 21392008) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1010001100110101010001000
3
Ternary
1111020211022121
4
Quaternary
1101212222020
5
Quinary
20434021013
6
Senary
2042301024
8
Octal
121465210
10
Decimal
21392008
12
Duodecimal
71b7774
16
Hexadecimal
1466a88
20
Vigesimal
6de008
36
Base36
cqi6g
md5
21d60aba9371a70fcc640c7e4e34621d
sha1
f0ee525f2fae3a9d5f9b79d662ae081e1acfda45
sha256
62f7a1134ee34a62b6fbac943c3abd50ff08e00aa3793a1020cdcc9b66319aae
sha512
2cb35ca638df0f2ae9a26d7281b87bccb3313e292568938fa50e2cee1c855d1ec41d81b745d04294a533986b6db2fc39167b65cadeba67fe721805eed46f5105
ripemd-160
504a971b3502ca51e8289bf4572af1f62b04e941
Diameter
42784016
Circumference
134409950.35667
Area
1.4376493666547E+15
Volume
4.1005609003564E+22
Surface area
5.7505974666189E+15
Circumference
134409950.35667
Perimeter
85568032
Area
457618006272064
Diagonal
30252867.839994
Surface area
2745708037632384
Volume
9.789368051116E+21
Space diagonal
37052044.73192
Perimeter
64176024
Area
1.981544093304E+14
Altitude
18526022.36596
Surface area
1.981544093304E+14
Volume
1.1536880887458E+21
Height
10084289.279998