21551161 is an odd 8-digits composite number following 21551160
and preceding 21551162 . In scientific notation, it is written as 2.1551161 × 10^7.
The sum of its digits is 22. It has a total of 2 prime factors and 4 positive divisors.
There are 20614132 positive integers (up to 21551161) that are relatively prime to 21551161.
21551161 has 4 divisors, whose sum is 22488192
The reverse of 21551161 is 16115512
Previous prime number is 23
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 22
Digital Root 4
Name
twenty-one million five hundred fifty-one thousand one hundred sixty-one
Scientific notation
2.1551161 × 10^7
Engineering notation
2.1551161 × 10^6
Prime Factorization
23 × 937007
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
21551161
Product of the distinct prime numbers
The prime factorization of 21551161 is 23 × 937007.
Since it has a total of 2 prime factors.
1 , 7 , 11 , 50 , 366 , 698 , 2471 , 8489 , 23885 , 19265 , 630295 , 104487 , 8824127 , 5063820 , 29329263 , 66884110 , 428055155 , 742477141 , 1484764021 , 7196575002
n×2
43102322
n×3
64653483
n×4
86204644
n×5
107755805
n÷2
10775580.5
n÷3
7183720.3333333
n÷3
5387790.25
n÷5
4310232.2
n2
464452540447921
n3
1.0009491476052E+22
n4
2.1571616232853E+29
n5
4.6489337446442E+36
2 √n
4642.3228022187
3 √n
278.28527295565
4 √n
68.134593285781
5 √n
29.288297969914
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
-21551160
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 21551161 can be divided by 4 positive divisors.
The sum of these divisors (counting 21551161) is 1, the average is 0.25.
Base
System
Value
2
Binary
1010010001101100000111001
3
Ternary
1111112220122011
4
Quaternary
1102031200321
5
Quinary
21004114121
6
Senary
2045525521
8
Octal
122154071
10
Decimal
21551161
12
Duodecimal
72738a1
16
Hexadecimal
148d839
20
Vigesimal
6edhi1
36
Base36
ctwzd
md5
5f8943f77ac74e25cf371db24adf5846
sha1
508687a97b737e69c2828f9fc47a8e5a5d14c1f0
sha256
582813e241b4271cc3abbfcbe2df6264bdf5ab6250f8dfd6ca0a7db5b569650f
sha512
94d5317ca421cee33e8d36facb84e560c4f0adcb1758f50efd986674a799aefe49549dc06a79f8c4e41dcf6e5ee616796bae797071297f7062f89d05b00f66f9
ripemd-160
1485f8e2eccb97e0284b4d5f28578a0e30e45d04
Diameter
43102322
Circumference
135409938.14786
Area
1.4591206890123E+15
Volume
4.192765984978E+22
Surface area
5.8364827560492E+15
Circumference
135409938.14786
Perimeter
86204644
Area
464452540447921
Diagonal
30477944.171086
Surface area
2786715242687526
Volume
1.0009491476052E+22
Space diagonal
37327705.814097
Perimeter
64653483
Area
2.0111384944006E+14
Altitude
18663852.907048
Surface area
2.0111384944006E+14
Volume
1.1796298831576E+21
Height
10159314.723695