21491933 is an odd 8-digits composite number following 21491932
and preceding 21491934 . In scientific notation, it is written as 2.1491933 × 10^7.
The sum of its digits is 32. It has a total of 2 prime factors and 4 positive divisors.
There are 21482268 positive integers (up to 21491933) that are relatively prime to 21491933.
21491933 has 4 divisors, whose sum is 21501600
The reverse of 21491933 is 33919412
Previous prime number is 6199
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 32
Digital Root 5
Name
twenty-one million four hundred ninety-one thousand nine hundred thirty-three
Scientific notation
2.1491933 × 10^7
Engineering notation
2.1491933 × 10^6
Prime Factorization
6199 × 3467
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
21491933
Product of the distinct prime numbers
The prime factorization of 21491933 is 6199 × 3467.
Since it has a total of 2 prime factors.
4 , 6 , 6 , 44 , 977 , 601 , 6783 , 253 , 6124 , 78412 , 266935 , 757520 , 9548122 , 1954500 , 93521061 , 61352841 , 913941090 , 288933823 , 9358098638 , 9259782705
n×2
42983866
n×3
64475799
n×4
85967732
n×5
107459665
n÷2
10745966.5
n÷3
7163977.6666667
n÷3
5372983.25
n÷5
4298386.6
n2
461903184076489
n3
9.9271922846586E+21
n4
2.1335455146E+29
n5
4.5854017252233E+36
2 √n
4635.9392791537
3 √n
278.03010646462
4 √n
68.087732222139
5 √n
29.272181924889
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
-21491932
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 21491933 can be divided by 4 positive divisors.
The sum of these divisors (counting 21491933) is 1, the average is 0.25.
Base
System
Value
2
Binary
1010001111111000011011101
3
Ternary
1111102220101112
4
Quaternary
1101333003131
5
Quinary
21000220213
6
Senary
2044351405
8
Octal
121770335
10
Decimal
21491933
12
Duodecimal
7245565
16
Hexadecimal
147f0dd
20
Vigesimal
6e69gd
36
Base36
csna5
md5
041956a787823f92a988e020bbd0d826
sha1
26bdf83432e9fe79640655d0aaa8f2389b35aec8
sha256
e8ff53d5a878b611f19fe327273ff4179a5cdd1d91aff9bd11337ebec2cea024
sha512
2deb7801b48884ce2cab9e8b15cce529b8fee834ddf55a77df82a18ce538cce18b5e5ab6ed8447610559b39761af8f2bd381f2a6cc2e8a4db8c879d1a12cb19a
ripemd-160
1eecc0fcfea3e88f8294c26913a0c52ede4f2c07
Diameter
42983866
Circumference
135037797.64849
Area
1.4511116497644E+15
Volume
4.1582925803009E+22
Surface area
5.8044465990577E+15
Circumference
135037797.64849
Perimeter
85967732
Area
461903184076489
Diagonal
30394183.130214
Surface area
2771419104458934
Volume
9.9271922846586E+21
Space diagonal
37225119.908866
Perimeter
64475799
Area
2.0000994574958E+14
Altitude
18612559.954433
Surface area
2.0000994574958E+14
Volume
1.1699308304375E+21
Height
10131394.376738