21551189 is an odd 8-digits composite number following 21551188
and preceding 21551190 . In scientific notation, it is written as 2.1551189 × 10^7.
The sum of its digits is 32. It has a total of 4 prime factors and 12 positive divisors.
There are 18437760 positive integers (up to 21551189) that are relatively prime to 21551189.
21551189 has 12 divisors, whose sum is 25084332
The reverse of 21551189 is 98115512
Previous prime number is 17
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 32
Digital Root 5
Name
twenty-one million five hundred fifty-one thousand one hundred eighty-nine
Scientific notation
2.1551189 × 10^7
Engineering notation
2.1551189 × 10^6
Prime Factorization
11 × 11 × 17 × 10477
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
1959199
Product of the distinct prime numbers
The prime factorization of 21551189 is 11 × 11 × 17 × 10477.
Since it has a total of 4 prime factors.
1 , 8 , 4 , 98 , 258 , 513 , 1225 , 5978 , 66943 , 32185 , 71862 , 669838 , 4940443 , 539166 , 31666393 , 42126606 , 444311081 , 832373942 , 2087000456 , 1128031149
n×2
43102378
n×3
64653567
n×4
86204756
n×5
107755945
n÷2
10775594.5
n÷3
7183729.6666667
n÷3
5387797.25
n÷5
4310237.8
n2
464453747313721
n3
1.0009530490116E+22
n4
2.1571728339376E+29
n5
4.6489639449854E+36
2 √n
4642.3258179494
3 √n
278.28539347483
4 √n
68.134615416464
5 √n
29.28830558038
1 , 11 , 17 , 121 , 187 , 2057 , 10477 , 115247 , 178109 , 1267717 , 1959199 , 21551189
12 divisors
τ
Total Divisors
12
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-21551188
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.083333333333333
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
12
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 21551189 can be divided by 12 positive divisors.
The sum of these divisors (counting 21551189) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
1010010001101100001010101
3
Ternary
1111112220200012
4
Quaternary
1102031201111
5
Quinary
21004114224
6
Senary
2045530005
8
Octal
122154125
10
Decimal
21551189
12
Duodecimal
7273905
16
Hexadecimal
148d855
20
Vigesimal
6edhj9
36
Base36
ctx05
md5
1baba6d8b0fc6c5c0288de8b552d8443
sha1
cbfd4ebbc82cf8bcaa6c0862555a927cccf9ebb8
sha256
8adafaa02f518ca0b18ae3eac98b90f847ebf9fac40c6e107497a8070dc8cb00
sha512
fdcdeb6d783cd527e65fee689cfc71258dfad0fa12bd768e99de359ffc62462ba4d734d09cf992fb9072b8dd423c916b8686c7a46d0d02c481d2671c0b9b739c
ripemd-160
e4987070f8d8f5f81b6dd7d64428d7c3cdea61ec
Diameter
43102378
Circumference
135410114.07705
Area
1.459124480493E+15
Volume
4.192782327151E+22
Surface area
5.8364979219721E+15
Circumference
135410114.07705
Perimeter
86204756
Area
464453747313721
Diagonal
30477983.769066
Surface area
2786722483882326
Volume
1.0009530490116E+22
Space diagonal
37327754.31152
Perimeter
64653567
Area
2.0111437202828E+14
Altitude
18663877.15576
Surface area
2.0111437202828E+14
Volume
1.1796344810091E+21
Height
10159327.923022