21551229 is an odd 8-digits composite number following 21551228
and preceding 21551230 . In scientific notation, it is written as 2.1551229 × 10^7.
The sum of its digits is 27. It has a total of 3 prime factors and 8 positive divisors.
There are 12314736 positive integers (up to 21551229) that are relatively prime to 21551229.
21551229 has 8 divisors, whose sum is 24435000
The reverse of 21551229 is 92215512
Previous prime number is 49
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 27
Digital Root 9
Name
twenty-one million five hundred fifty-one thousand two hundred twenty-nine
Scientific notation
2.1551229 × 10^7
Engineering notation
2.1551229 × 10^6
Prime Factorization
9 × 49 × 48869
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
21551229
Product of the distinct prime numbers
The prime factorization of 21551229 is 9 × 49 × 48869.
Since it has a total of 3 prime factors.
5 , 8 , 100 , 69 , 582 , 279 , 2185 , 9191 , 45264 , 76414 , 234275 , 89188 , 691775 , 1318834 , 71821556 , 15417717 , 513608453 , 205853180 , 8574457385 , 6825024253
n×2
43102458
n×3
64653687
n×4
86204916
n×5
107756145
n÷2
10775614.5
n÷3
7183743
n÷3
5387807.25
n÷5
4310245.8
n2
464455471410441
n3
1.0009586224669E+22
n4
2.1571888492309E+29
n5
4.6490070886023E+36
2 √n
4642.3301261328
3 √n
278.28556564489
4 √n
68.134647031689
5 √n
29.288316452461
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
-21551228
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 21551229 can be divided by 8 positive divisors.
The sum of these divisors (counting 21551229) is 1, the average is 0.125.
Base
System
Value
2
Binary
1010010001101100001111101
3
Ternary
1111112220201200
4
Quaternary
1102031201331
5
Quinary
21004114404
6
Senary
2045530113
8
Octal
122154175
10
Decimal
21551229
12
Duodecimal
7273939
16
Hexadecimal
148d87d
20
Vigesimal
6edi19
36
Base36
ctx19
md5
6f93b3775972b9426cfd43156dfc9a86
sha1
fc26f7f714e7e48531435946396731d3da40f123
sha256
3f24f4fc6d8bebf0e5ac6d1d6eb3161a425e1ff5c489feb81accb7512e4f1838
sha512
b5bc1216aef2e34dd5443a38c66b637c24d361348a4c92fd6496ffc54c0dce59a304181e028164c35bb252e8d152f58d85dbb86b4a7f6da4de30a497c9932b97
ripemd-160
518edde7d16a44eb1a30d535c04b3216d301770f
Diameter
43102458
Circumference
135410365.40446
Area
1.4591298969026E+15
Volume
4.192805673186E+22
Surface area
5.8365195876105E+15
Circumference
135410365.40446
Perimeter
86204916
Area
464455471410441
Diagonal
30478040.337608
Surface area
2786732828462646
Volume
1.0009586224669E+22
Space diagonal
37327823.593552
Perimeter
64653687
Area
2.0111511858406E+14
Altitude
18663911.796776
Surface area
2.0111511858406E+14
Volume
1.1796410493892E+21
Height
10159346.779203