21551629 is an odd 8-digits composite number following 21551628
and preceding 21551630 . In scientific notation, it is written as 2.1551629 × 10^7.
The sum of its digits is 31. It has a total of 2 prime factors and 4 positive divisors.
There are 19592380 positive integers (up to 21551629) that are relatively prime to 21551629.
21551629 has 4 divisors, whose sum is 23510880
The reverse of 21551629 is 92615512
Previous prime number is 11
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 31
Digital Root 4
Name
twenty-one million five hundred fifty-one thousand six hundred twenty-nine
Scientific notation
2.1551629 × 10^7
Engineering notation
2.1551629 × 10^6
Prime Factorization
11 × 1959239
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
21551629
Product of the distinct prime numbers
The prime factorization of 21551629 is 11 × 1959239.
Since it has a total of 2 prime factors.
3 , 8 , 31 , 61 , 530 , 30 , 7328 , 5897 , 84620 , 899 , 487387 , 586229 , 2332274 , 4128540 , 78457573 , 8915199 , 892380757 , 100844988 , 1414091054 , 315626552
n×2
43103258
n×3
64654887
n×4
86206516
n×5
107758145
n÷2
10775814.5
n÷3
7183876.3333333
n÷3
5387907.25
n÷5
4310325.8
n2
464472712553641
n3
1.001014358158E+22
n4
2.1573490070694E+29
n5
4.6494385423877E+36
2 √n
4642.3732077462
3 √n
278.28728733383
4 √n
68.134963181514
5 √n
29.288425172383
4 divisors
τ
Total Divisors
4
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-21551628
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.25
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
4
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 21551629 can be divided by 4 positive divisors.
The sum of these divisors (counting 21551629) is 1, the average is 0.25.
Base
System
Value
2
Binary
1010010001101101000001101
3
Ternary
1111112221021111
4
Quaternary
1102031220031
5
Quinary
21004123004
6
Senary
2045532021
8
Octal
122155015
10
Decimal
21551629
12
Duodecimal
7274011
16
Hexadecimal
148da0d
20
Vigesimal
6edj19
36
Base36
ctxcd
md5
76fdf14b196400c3fb8cc2ac28b41cfe
sha1
facda44e065fa9618e5bebc5592ea4ef0a34cf42
sha256
e95a12bd0f4cdb38365d480e036ebc24c89c5cc77b5914abc342a7a3a452e8cc
sha512
ebd2ad7f83449ed969e33fbea40d2be1a1f022e353f5c6b5b9fda61d49e74afe3f202136a50aee6cb0831c67cd67d21897c7bf78513113b9281b2a2b14a6a601
ripemd-160
9aa9b800f095870050c05b21716c0d94e21bd70f
Diameter
43103258
Circumference
135412878.67859
Area
1.4591840615514E+15
Volume
4.1930391383026E+22
Surface area
5.8367362462058E+15
Circumference
135412878.67859
Perimeter
86206516
Area
464472712553641
Diagonal
30478606.023033
Surface area
2786836275321846
Volume
1.001014358158E+22
Space diagonal
37328516.413875
Perimeter
64654887
Area
2.0112258421806E+14
Altitude
18664258.206937
Surface area
2.0112258421806E+14
Volume
1.179706734531E+21
Height
10159535.341011