21497210 is an even 8-digits composite number following 21497209
and preceding 21497211 . In scientific notation, it is written as 2.1497210 × 10^7.
The sum of its digits is 26. It has a total of 4 prime factors and 16 positive divisors.
There are 7370448 positive integers (up to 21497210) that are relatively prime to 21497210.
21497210 has 16 divisors, whose sum is 44222976
The reverse of 21497210 is 01279412
Previous prime number is 7
Is Prime? no
Number parity even
Number length 8
Sum of Digits 26
Digital Root 8
Name
twenty-one million four hundred ninety-seven thousand two hundred ten
Scientific notation
2.1497210 × 10^7
Engineering notation
2.1497210 × 10^6
Prime Factorization
2 × 5 × 7 × 307103
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
21497210
Product of the distinct prime numbers
The prime factorization of 21497210 is 2 × 5 × 7 × 307103.
Since it has a total of 4 prime factors.
1 , 2 , 48 , 37 , 57 , 421 , 7909 , 5911 , 49448 , 20804 , 329620 , 711548 , 4281186 , 5562802 , 99549936 , 44119479 , 906610820 , 10343983 , 6339775288 , 5856435078
n×2
42994420
n×3
64491630
n×4
85988840
n×5
107486050
n÷2
10748605
n÷3
7165736.6666667
n÷3
5374302.5
n÷5
4299442
n2
462130037784100
n3
9.9345064695527E+21
n4
2.1356417182233E+29
n5
4.5910338501408E+36
2 √n
4636.5083845497
3 √n
278.05285988267
4 √n
68.09191130046
5 √n
29.273619246839
1 , 2 , 5 , 7 , 10 , 14 , 35 , 70 , 307103 , 614206 , 1535515 , 2149721 , 3071030 , 4299442 , 10748605 , 21497210
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
-21497209
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 21497210 can be divided by 16 positive divisors.
The sum of these divisors (counting 21497210) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1010010000000010101111010
3
Ternary
1111110011121222
4
Quaternary
1102000111322
5
Quinary
21000402320
6
Senary
2044432042
8
Octal
122002572
10
Decimal
21497210
12
Duodecimal
7248622
16
Hexadecimal
148057a
20
Vigesimal
6e730a
36
Base36
csrcq
md5
d13460721cdb2d1bce6e3c739f9e7bc4
sha1
c88c30f778058fac934ee60f380e6bc5e940215f
sha256
855845d36e6148e6fce2237c25598a886ef17af1578ae3e05a94b5572f80516f
sha512
4a5bbced1a3be8272e8437f429033d0b269194ab03954b8ae8732a5e4a8a9b1c2485294af6ca4cf1397326c913b1b958a4d476930c7a2eec2ce59aa1325b8e3e
ripemd-160
adac479890d0a408c340e6c4089d8ba5c1206e1f
Diameter
42994420
Circumference
135070954.01735
Area
1.4518243317057E+15
Volume
4.161356338905E+22
Surface area
5.8072973268228E+15
Circumference
135070954.01735
Perimeter
85988840
Area
462130037784100
Diagonal
30401645.935183
Surface area
2772780226704600
Volume
9.9345064695527E+21
Space diagonal
37234259.940978
Perimeter
64491630
Area
2.0010817628645E+14
Altitude
18617129.970489
Surface area
2.0010817628645E+14
Volume
1.1707928153937E+21
Height
10133881.978394