21746971 is an odd 8-digits composite number following 21746970
and preceding 21746972 . In scientific notation, it is written as 2.1746971 × 10^7.
The sum of its digits is 37. It has a total of 2 prime factors and 4 positive divisors.
There are 21613392 positive integers (up to 21746971) that are relatively prime to 21746971.
21746971 has 4 divisors, whose sum is 21880552
The reverse of 21746971 is 17964712
Previous prime number is 163
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 37
Digital Root 1
Name
twenty-one million seven hundred forty-six thousand nine hundred seventy-one
Scientific notation
2.1746971 × 10^7
Engineering notation
2.1746971 × 10^6
Prime Factorization
163 × 133417
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
21746971
Product of the distinct prime numbers
The prime factorization of 21746971 is 163 × 133417.
Since it has a total of 2 prime factors.
6 , 7 , 68 , 91 , 438 , 172 , 139 , 5695 , 10611 , 59217 , 100257 , 734062 , 7716654 , 4178750 , 82809676 , 48317712 , 720386208 , 740866508 , 9500572203 , 3549720887
n×2
43493942
n×3
65240913
n×4
86987884
n×5
108734855
n÷2
10873485.5
n÷3
7248990.3333333
n÷3
5436742.75
n÷5
4349394.2
n2
472930747674841
n3
1.0284811254693E+22
n4
2.2366349209628E+29
n5
4.8640034763766E+36
2 √n
4663.3647723505
3 √n
279.12554996537
4 √n
68.288833438202
5 √n
29.341327241694
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
-21746970
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 21746971 can be divided by 4 positive divisors.
The sum of these divisors (counting 21746971) is 1, the average is 0.25.
Base
System
Value
2
Binary
1010010111101010100011011
3
Ternary
1111220212020101
4
Quaternary
1102331110123
5
Quinary
21031400341
6
Senary
2054040231
8
Octal
122752433
10
Decimal
21746971
12
Duodecimal
7349077
16
Hexadecimal
14bd51b
20
Vigesimal
6fi78b
36
Base36
cy42j
md5
4ea6a6d4648a073231566f1ebad51d75
sha1
103c13d3f7c2fd9545dd045929c5fb0431e690e6
sha256
ad8f46695912a1985f6303b18b8818ed99e78ec841d6379f63f61a4987e458cf
sha512
3a87f96f7f7ec5b72fac15f28260f317ae1833fced8227c51f6df93bba1c44719711a2787c4586cc09f154cda553cad6230d4b0df883a8adcd7ff335b52d0de7
ripemd-160
2f53ebd14ada3fac84bc58418329e4b3a0e963b7
Diameter
43493942
Circumference
136640248.66286
Area
1.485755762552E+15
Volume
4.3080916641735E+22
Surface area
5.943023050208E+15
Circumference
136640248.66286
Perimeter
86987884
Area
472930747674841
Diagonal
30754861.328734
Surface area
2837584486049046
Volume
1.0284811254693E+22
Space diagonal
37666858.682727
Perimeter
65240913
Area
2.0478502085859E+14
Altitude
18833429.341363
Surface area
2.0478502085859E+14
Volume
1.2120766302362E+21
Height
10251620.442911