21497628 is an even 8-digits composite number following 21497627
and preceding 21497629 . In scientific notation, it is written as 2.1497628 × 10^7.
The sum of its digits is 39. It has a total of 5 prime factors and 24 positive divisors.
There are 7153920 positive integers (up to 21497628) that are relatively prime to 21497628.
21497628 has 24 divisors, whose sum is 50244880
The reverse of 21497628 is 82679412
Previous prime number is 829
Is Prime? no
Number parity even
Number length 8
Sum of Digits 39
Digital Root 3
Name
twenty-one million four hundred ninety-seven thousand six hundred twenty-eight
Scientific notation
2.1497628 × 10^7
Engineering notation
2.1497628 × 10^6
Prime Factorization
2 × 2 × 3 × 829 × 2161
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
10748814
Product of the distinct prime numbers
The prime factorization of 21497628 is 2 × 2 × 3 × 829 × 2161.
Since it has a total of 5 prime factors.
1 , 10 , 31 , 54 , 587 , 278 , 5221 , 6770 , 41989 , 11524 , 532652 , 596063 , 6481345 , 6162585 , 93583586 , 85537632 , 690771209 , 458012326 , 877826936 , 1754399193
n×2
42995256
n×3
64492884
n×4
85990512
n×5
107488140
n÷2
10748814
n÷3
7165876
n÷3
5374407
n÷5
4299525.6
n2
462148009626384
n3
9.9350859918884E+21
n4
2.1358078280163E+29
n5
4.5914802166182E+36
2 √n
4636.5534613547
3 √n
278.05466205982
4 √n
68.092242299359
5 √n
29.27373308745
1 , 2 , 3 , 4 , 6 , 12 , 829 , 1658 , 2161 , 2487 , 3316 , 4322 , 4974 , 6483 , 8644 , 9948 , 12966 , 25932 , 1791469 , 3582938 , 5374407 , 7165876 , 10748814 , 21497628
24 divisors
τ
Total Divisors
24
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-21497627
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.041666666666667
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
24
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 21497628 can be divided by 24 positive divisors.
The sum of these divisors (counting 21497628) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
1010010000000011100011100
3
Ternary
1111110012012110
4
Quaternary
1102000130130
5
Quinary
21000411003
6
Senary
2044434020
8
Octal
122003434
10
Decimal
21497628
12
Duodecimal
7248910
16
Hexadecimal
148071c
20
Vigesimal
6e7418
36
Base36
csroc
md5
6ecb820ab32635076a8496b7b16c0610
sha1
a5b11e294e620549370bc0012c820f1cc53a42cb
sha256
7d4859ac4e5d4f0146d8a7e76cd10fae9ecd7e121ba96f35c61fac102d25462c
sha512
bbb40f8709d5b511f47e76ae33ebd31fbe3e9526bb56d8e818f876fb55fd863704e855a72e03e5b42d792c3029e65eb8a26d4c41db51e6a1759b91afef995389
ripemd-160
dc35689d659da4e1e4574e09ede1ee0769aecede
Diameter
42995256
Circumference
135073580.38881
Area
1.4518807919134E+15
Volume
4.1615990886533E+22
Surface area
5.8075231676536E+15
Circumference
135073580.38881
Perimeter
85990512
Area
462148009626384
Diagonal
30402237.076452
Surface area
2772888057758304
Volume
9.9350859918884E+21
Space diagonal
37234983.938215
Perimeter
64492884
Area
2.0011595832243E+14
Altitude
18617491.969108
Surface area
2.0011595832243E+14
Volume
1.170861112756E+21
Height
10134079.025484