21904023 is an odd 8-digits composite number following 21904022
and preceding 21904024 . In scientific notation, it is written as 2.1904023 × 10^7.
The sum of its digits is 21. It has a total of 2 prime factors and 4 positive divisors.
There are 14602680 positive integers (up to 21904023) that are relatively prime to 21904023.
21904023 has 4 divisors, whose sum is 29205368
The reverse of 21904023 is 32040912
Previous prime number is 3
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 21
Digital Root 3
Name
twenty-one million nine hundred four thousand twenty-three
Scientific notation
2.1904023 × 10^7
Engineering notation
2.1904023 × 10^6
Prime Factorization
3 × 7301341
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
21904023
Product of the distinct prime numbers
The prime factorization of 21904023 is 3 × 7301341.
Since it has a total of 2 prime factors.
4 , 8 , 63 , 48 , 198 , 844 , 3720 , 5074 , 71426 , 74494 , 573551 , 357993 , 1810640 , 7535911 , 33309188 , 72391841 , 883430073 , 259753018 , 5088867181 , 9023492318
n×2
43808046
n×3
65712069
n×4
87616092
n×5
109520115
n÷2
10952011.5
n÷3
7301341
n÷3
5476005.75
n÷5
4380804.6
n2
479786223584529
n3
1.0509248476479E+22
n4
2.301948203415E+29
n5
5.0421926392412E+36
2 √n
4680.1733942238
3 √n
279.79586737073
4 √n
68.411792800831
5 √n
29.383584712748
4 divisors
τ
Total Divisors
4
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-21904022
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.25
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
4
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 21904023 can be divided by 4 positive divisors.
The sum of these divisors (counting 21904023) is 1, the average is 0.25.
Base
System
Value
2
Binary
1010011100011101010010111
3
Ternary
1112012211200010
4
Quaternary
1103203222113
5
Quinary
21101412043
6
Senary
2101251303
8
Octal
123435227
10
Decimal
21904023
12
Duodecimal
7403b33
16
Hexadecimal
14e3a97
20
Vigesimal
6gi013
36
Base36
d1h93
md5
f2a4fdbed9d938e0c7ce378e7e96a86c
sha1
1ee47e34cfc604ddea527183ff45766f430bdd2a
sha256
ed08d8170829783b973ff8d26752085f1a86e1a082bd190e31cac3bf95db9d9c
sha512
05e7d3b4a0015b6b905f1170d502f719d005cac0e50e8b4a12af9ea1a4e0a75de02efa33cfe55f5d35ba63cbc91cb667b4e8ad3082334a7b33b80f3c2fc0d19d
ripemd-160
de9cdb72c526288e81b774cab7b9db7583edaf26
Diameter
43808046
Circumference
137627035.48172
Area
1.5072928753067E+15
Volume
4.402103707794E+22
Surface area
6.029171501227E+15
Circumference
137627035.48172
Perimeter
87616092
Area
479786223584529
Diagonal
30976966.397132
Surface area
2878717341507174
Volume
1.0509248476479E+22
Space diagonal
37938880.726157
Perimeter
65712069
Area
2.07753529005E+14
Altitude
18969440.363079
Surface area
2.07753529005E+14
Volume
1.2385268104821E+21
Height
10325655.465711