21438052 is an even 8-digits composite number following 21438051
and preceding 21438053 . In scientific notation, it is written as 2.1438052 × 10^7.
The sum of its digits is 25. It has a total of 4 prime factors and 12 positive divisors.
There are 10680320 positive integers (up to 21438052) that are relatively prime to 21438052.
21438052 has 12 divisors, whose sum is 37652076
The reverse of 21438052 is 25083412
Previous prime number is 281
Is Prime? no
Number parity even
Number length 8
Sum of Digits 25
Digital Root 7
Name
twenty-one million four hundred thirty-eight thousand fifty-two
Scientific notation
2.1438052 × 10^7
Engineering notation
2.1438052 × 10^6
Prime Factorization
2 × 2 × 281 × 19073
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
10719026
Product of the distinct prime numbers
The prime factorization of 21438052 is 2 × 2 × 281 × 19073.
Since it has a total of 4 prime factors.
9 , 1 , 52 , 32 , 840 , 451 , 3238 , 2581 , 87356 , 9278 , 409451 , 237449 , 8367038 , 9487591 , 53903662 , 14214275 , 842245411 , 75374448 , 9242869130 , 6519143766
n×2
42876104
n×3
64314156
n×4
85752208
n×5
107190260
n÷2
10719026
n÷3
7146017.3333333
n÷3
5359513
n÷5
4287610.4
n2
459590073554704
n3
9.8527158955496E+21
n4
2.1122303571002E+29
n5
4.5282104231492E+36
2 √n
4630.1244043762
3 √n
277.79756841514
4 √n
68.045017483841
5 √n
29.257489914919
1 , 2 , 4 , 281 , 562 , 1124 , 19073 , 38146 , 76292 , 5359513 , 10719026 , 21438052
12 divisors
τ
Total Divisors
12
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-21438051
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.083333333333333
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
12
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 21438052 can be divided by 12 positive divisors.
The sum of these divisors (counting 21438052) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
1010001110001111001100100
3
Ternary
1111100011110221
4
Quaternary
1101301321210
5
Quinary
20442004202
6
Senary
2043254124
8
Octal
121617144
10
Decimal
21438052
12
Duodecimal
721a344
16
Hexadecimal
1471e64
20
Vigesimal
6djf2c
36
Base36
crhpg
md5
c520011fb8c1ea8e7e9b40b69af9ce90
sha1
46a9081f12641eaeae03b266afbc23d191e5fd1a
sha256
3686b0b6347a751b92635e3b586071a89be72ca60fee3f790c15a888e1249c1d
sha512
127a4f80b6b1f8727f3cb7ea4d1ae4057dfdb9795014bf853e18d7d7e815bb048923088a835642ccbf807b3a3f8e7a1fef7d72de441e1bc777afb19cf3c789e7
ripemd-160
ca1465ae4be1c69052a412a61f3a1a58243ec138
Diameter
42876104
Circumference
134699253.34095
Area
1.4438447987423E+15
Volume
4.1270959833821E+22
Surface area
5.775379194969E+15
Circumference
134699253.34095
Perimeter
85752208
Area
459590073554704
Diagonal
30317983.88926
Surface area
2757540441328224
Volume
9.8527158955496E+21
Space diagonal
37131795.279304
Perimeter
64314156
Area
1.9900833951277E+14
Altitude
18565897.639652
Surface area
1.9900833951277E+14
Volume
1.1611537038079E+21
Height
10105994.629753