21142394 is an even 8-digits composite number following 21142393
and preceding 21142395 . In scientific notation, it is written as 2.1142394 × 10^7.
The sum of its digits is 26. It has a total of 4 prime factors and 16 positive divisors.
There are 8363952 positive integers (up to 21142394) that are relatively prime to 21142394.
21142394 has 16 divisors, whose sum is 39032448
The reverse of 21142394 is 49324112
Previous prime number is 13
Is Prime? no
Number parity even
Number length 8
Sum of Digits 26
Digital Root 8
Name
twenty-one million one hundred forty-two thousand three hundred ninety-four
Scientific notation
2.1142394 × 10^7
Engineering notation
2.1142394 × 10^6
Prime Factorization
2 × 7 × 13 × 116167
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
21142394
Product of the distinct prime numbers
The prime factorization of 21142394 is 2 × 7 × 13 × 116167.
Since it has a total of 4 prime factors.
9 , 1 , 46 , 59 , 615 , 604 , 4868 , 6512 , 11925 , 56882 , 970181 , 442772 , 3781737 , 2860554 , 26390835 , 14640288 , 196722570 , 535390459 , 9207554374 , 2025928580
n×2
42284788
n×3
63427182
n×4
84569576
n×5
105711970
n÷2
10571197
n÷3
7047464.6666667
n÷3
5285598.5
n÷5
4228478.8
n2
447000824051236
n3
9.4506675404159E+21
n4
1.9980973670248E+29
n5
4.2244561784002E+36
2 √n
4598.0859061135
3 √n
276.51459167163
4 √n
67.809187475692
5 √n
29.176341416608
1 , 2 , 7 , 13 , 14 , 26 , 91 , 182 , 116167 , 232334 , 813169 , 1510171 , 1626338 , 3020342 , 10571197 , 21142394
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
-21142393
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 21142394 can be divided by 16 positive divisors.
The sum of these divisors (counting 21142394) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1010000101001101101111010
3
Ternary
1110210010220122
4
Quaternary
1100221231322
5
Quinary
20403024034
6
Senary
2033053242
8
Octal
120515572
10
Decimal
21142394
12
Duodecimal
70b7222
16
Hexadecimal
1429b7a
20
Vigesimal
6c2fje
36
Base36
cl5kq
md5
dda2cc0d47a1cd1b72ab80a86bc314c1
sha1
de78fb2b0aae653855b08f4873b9a29f10b7a70c
sha256
57820258f3869b606d1312d5fecf3d229191cae88831463e5cda9525a4f9fe5b
sha512
8b829754c4501415706348b8861796f887f3aee6bf292ab809412559cd452a577a94a097d7ffc6b3878f60ffb57abefe068b2ada0ecdca43bdc37672cb6110d4
ripemd-160
3890f0dcb73e9cd2a6266b068a79dfc4de2a0049
Diameter
42284788
Circumference
132841579.3394
Area
1.4042945049879E+15
Volume
3.9586863621987E+22
Surface area
5.6171780199518E+15
Circumference
132841579.3394
Perimeter
84569576
Area
447000824051236
Diagonal
29899860.335836
Surface area
2682004944307416
Volume
9.4506675404159E+21
Space diagonal
36619700.601639
Perimeter
63427182
Area
1.9355703457047E+14
Altitude
18309850.30082
Surface area
1.9355703457047E+14
Volume
1.1137718507613E+21
Height
9966620.1119452