21622251 is an odd 8-digits composite number following 21622250
and preceding 21622252 . In scientific notation, it is written as 2.1622251 × 10^7.
The sum of its digits is 21. It has a total of 3 prime factors and 8 positive divisors.
There are 12121824 positive integers (up to 21622251) that are relatively prime to 21622251.
21622251 has 8 divisors, whose sum is 23080464
The reverse of 21622251 is 15222612
Previous prime number is 53
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 21
Digital Root 3
Name
twenty-one million six hundred twenty-two thousand two hundred fifty-one
Scientific notation
2.1622251 × 10^7
Engineering notation
2.1622251 × 10^6
Prime Factorization
21 × 53 × 19427
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
21622251
Product of the distinct prime numbers
The prime factorization of 21622251 is 21 × 53 × 19427.
Since it has a total of 3 prime factors.
7 , 1 , 15 , 57 , 175 , 384 , 9673 , 2623 , 34681 , 82111 , 63481 , 806696 , 4263992 , 9115319 , 84058293 , 88345491 , 153476747 , 89406888 , 5142736293 , 8022872277
n×2
43244502
n×3
64866753
n×4
86489004
n×5
108111255
n÷2
10811125.5
n÷3
7207417
n÷3
5405562.75
n÷5
4324450.2
n2
467521738307001
n3
1.010887237363E+22
n4
2.185765757896E+29
n5
4.7261175844433E+36
2 √n
4649.9732257294
3 √n
278.59092682156
4 √n
68.190712166169
5 √n
29.307594965217
8 divisors
τ
Total Divisors
8
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-21622250
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.125
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
8
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 21622251 can be divided by 8 positive divisors.
The sum of these divisors (counting 21622251) is 1, the average is 0.125.
Base
System
Value
2
Binary
1010010011110110111101011
3
Ternary
1111200112011010
4
Quaternary
1102132313223
5
Quinary
21013403001
6
Senary
2051235003
8
Octal
122366753
10
Decimal
21622251
12
Duodecimal
72a8a63
16
Hexadecimal
149edeb
20
Vigesimal
6f2fcb
36
Base36
cvfu3
md5
c83dfc70116cffed8af217a22f8b0d9c
sha1
e761f40de6dba236c4ea08e6df19cf4559ec3696
sha256
a0d2af1221dec17885d94efd4d21bbcee13bcae820f767ba3bd0bcd4f228be4a
sha512
0ee31a5e38ffb7bae3d9d4e609ec9cba8ef98943227c5c0df4c9854dada79cb100b338ae56d004ee60a979de5da3211b5c2b76bde8b55d85fc9b65d5aeb7b989
ripemd-160
9319e283a26b653895bf4bb6c5b7b4e8e3d29b00
Diameter
43244502
Circumference
135856609.79135
Area
1.4687628584588E+15
Volume
4.2343945580098E+22
Surface area
5.8750514338352E+15
Circumference
135856609.79135
Perimeter
86489004
Area
467521738307001
Diagonal
30578480.613235
Surface area
2805130429842006
Volume
1.010887237363E+22
Space diagonal
37450837.306007
Perimeter
64866753
Area
2.0244285109766E+14
Altitude
18725418.653003
Surface area
2.0244285109766E+14
Volume
1.1913420342572E+21
Height
10192826.871078