21448138 is an even 8-digits composite number following 21448137
and preceding 21448139 . In scientific notation, it is written as 2.1448138 × 10^7.
The sum of its digits is 31. It has a total of 4 prime factors and 16 positive divisors.
There are 10573200 positive integers (up to 21448138) that are relatively prime to 21448138.
21448138 has 16 divisors, whose sum is 32628960
The reverse of 21448138 is 83184412
Previous prime number is 331
Is Prime? no
Number parity even
Number length 8
Sum of Digits 31
Digital Root 4
Name
twenty-one million four hundred forty-eight thousand one hundred thirty-eight
Scientific notation
2.1448138 × 10^7
Engineering notation
2.1448138 × 10^6
Prime Factorization
2 × 179 × 331 × 181
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
21448138
Product of the distinct prime numbers
The prime factorization of 21448138 is 2 × 179 × 331 × 181.
Since it has a total of 4 prime factors.
1 , 2 , 81 , 75 , 977 , 541 , 7479 , 7040 , 26128 , 65024 , 449798 , 359432 , 55471 , 8485623 , 59951335 , 97315020 , 164436693 , 226002712 , 7806379820 , 8911918420
n×2
42896276
n×3
64344414
n×4
85792552
n×5
107240690
n÷2
10724069
n÷3
7149379.3333333
n÷3
5362034.5
n÷5
4289627.6
n2
460022623667044
n3
9.8666287155328E+21
n4
2.1162081428551E+29
n5
4.538872428468E+36
2 √n
4631.2134478989
3 √n
277.84112689689
4 √n
68.053019388554
5 √n
29.260242362074
1 , 2 , 179 , 181 , 331 , 358 , 362 , 662 , 32399 , 59249 , 59911 , 64798 , 118498 , 119822 , 10724069 , 21448138
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
-21448137
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 21448138 can be divided by 16 positive divisors.
The sum of these divisors (counting 21448138) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1010001110100010111001010
3
Ternary
1111100200022111
4
Quaternary
1101310113022
5
Quinary
20442320023
6
Senary
2043412534
8
Octal
121642712
10
Decimal
21448138
12
Duodecimal
722414a
16
Hexadecimal
14745ca
20
Vigesimal
6e106i
36
Base36
crphm
md5
9f2ae29d24e99e0880a170b7429d38f1
sha1
ecdddda4eed1ab5a1a24f74c394566591afb14cf
sha256
4c499a3c4ef579c376a185722fc6dd5f40f5719597041970a0410363aa392fbe
sha512
f99f713191b41999f11f144d6f6284897aae9fd8dca21aa12a2c705a10d9c4e6d0f3a6305d96d80375cd4b23749143994457c0b03ea81437cde4cbee1f5c347f
ripemd-160
d48347ab1e6b6f1f0d5531ed8ab5421c882e4607
Diameter
42896276
Circumference
134762625.54796
Area
1.4452036949975E+15
Volume
4.1329237717888E+22
Surface area
5.78081477999E+15
Circumference
134762625.54796
Perimeter
85792552
Area
460022623667044
Diagonal
30332247.64725
Surface area
2760135742002264
Volume
9.8666287155328E+21
Space diagonal
37149264.743749
Perimeter
64344414
Area
1.9919563920561E+14
Altitude
18574632.371874
Surface area
1.9919563920561E+14
Volume
1.1627933453672E+21
Height
10110749.21575