21497321 is an odd 8-digits prime number following 21497320
and preceding 21497322 . In scientific notation, it is written as 2.1497321 × 10^7.
The sum of its digits is 29. It has a total of 1 prime factors and 2 positive divisors.
There are 21497320 positive integers (up to 21497321) that are relatively prime to 21497321.
21497321 has 2 divisors, whose sum is 21497322
The reverse of 21497321 is 12379412
Previous prime number is 1
Is Prime? yes Number parity odd Number length 8 Sum of Digits 29 Digital Root 2
Name
twenty-one million four hundred ninety-seven thousand three hundred twenty-one
Scientific notation
2.1497321 × 10^7
Engineering notation
2.1497321 × 10^6
Prime Factorization
21497321
Composite number
ω Distinct Factors
1 Total number of distinct prime factors
Ω Total Factors
1 Total number of prime factors
rad Radical
21497321 Product of the distinct prime numbers
The prime factorization of 21497321 is 21497321.
Since it has a total of 1 prime factors.
10 , 5 , 16 , 1 , 520 , 376 , 3070 , 6541 , 76318 , 53924 , 75360 , 531114 , 3258518 , 6273103 , 62537967 , 79171576 , 426105888 , 147996697 , 8186201935 , 9964868312
n×2
42994642
n×3
64491963
n×4
85989284
n×5
107486605
n÷2
10748660.5
n÷3
7165773.6666667
n÷3
5374330.25
n÷5
4299464.2
n2
462134810177041
n3
9.9346603596499E+21
n4
2.1356858277737E+29
n5
4.5911523794802E+36
2 √n4636.5203547488
3 √n278.05333845352
4 √n68.091999197768
5 √n29.273649477413
2 divisors
τ Total Divisors
2 Total number of the positive divisors of n
σ Sum of Divisors
21497322 Sum of all the positive divisors of n
s Aliquot Sum
1 Sum of the proper positive divisors of n
A Arithmetic Mean
10748661 Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G Geometric Mean
4636.5204625883 Returns the nth root of the product of n divisors
H Harmonic Mean
1.9999999069652 Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 21497321 can be divided by 2 positive divisors.
The sum of these divisors (counting 21497321) is 21497322, the average is 10748661.
Base
System
Value
2
Binary
1010010000000010111101001
3
Ternary
1111110011210002
4
Quaternary
1102000113221
5
Quinary
21000403241
6
Senary
2044432345
8
Octal
122002751
10
Decimal
21497321
12
Duodecimal
72486b5
16
Hexadecimal
14805e9
20
Vigesimal
6e7361
36
Base36
csrft
md5
ada199b2cf32676b694d8d3c4a97365c
sha1
a086e7509765e3fa3f60ad458a9f0cfe379f2c69
sha256
7c670bc1de8f766f3d9cb71d09ac776efa029ec3cd482dbcb4aa8cdd126a0100
sha512
4f8e7870e1680edefb16b67af76af0dd0536f257c041dac3bcffab143a3e6a0d6e86288243bfe9e17f1cf8f2bab8acd46b75df7908f8e0503d0664a0246754d9
ripemd-160
41bfb1e0cec9b19fcc66c564dda7f4f4755d905e
Diameter
42994642
Circumference
135071651.45092
Area
1.4518393246203E+15
Volume
4.1614208002381E+22
Surface area
5.8073572984812E+15
Circumference
135071651.45092
Perimeter
85989284
Area
462134810177041
Diagonal
30401802.912888
Surface area
2772808861062246
Volume
9.9346603596499E+21
Space diagonal
37234452.198617
Perimeter
64491963
Area
2.0011024279321E+14
Altitude
18617226.099309
Surface area
2.0011024279321E+14
Volume
1.1708109515156E+21
Height
10133934.304296