21690746 is an even 8-digits composite number following 21690745
and preceding 21690747 . In scientific notation, it is written as 2.1690746 × 10^7.
The sum of its digits is 35. It has a total of 5 prime factors and 32 positive divisors.
There are 8308800 positive integers (up to 21690746) that are relatively prime to 21690746.
21690746 has 32 divisors, whose sum is 41247360
The reverse of 21690746 is 64709612
Previous prime number is 7
Is Prime? no
Number parity even
Number length 8
Sum of Digits 35
Digital Root 8
Name
twenty-one million six hundred ninety thousand seven hundred forty-six
Scientific notation
2.1690746 × 10^7
Engineering notation
2.1690746 × 10^6
Prime Factorization
2 × 61 × 11 × 7 × 2309
Composite number
ω
Distinct Factors
5
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
21690746
Product of the distinct prime numbers
The prime factorization of 21690746 is 2 × 61 × 11 × 7 × 2309.
Since it has a total of 5 prime factors.
10 , 9 , 69 , 6 , 84 , 616 , 5137 , 5807 , 97936 , 34674 , 566284 , 283909 , 9882395 , 448174 , 64459776 , 39748838 , 766292463 , 281924085 , 3641021236 , 1382475727
n×2
43381492
n×3
65072238
n×4
86762984
n×5
108453730
n÷2
10845373
n÷3
7230248.6666667
n÷3
5422686.5
n÷5
4338149.2
n2
470488462036516
n3
1.0205245725965E+22
n4
2.2135939290949E+29
n5
4.8014503663139E+36
2 √n
4657.3324983299
3 √n
278.88479032816
4 √n
68.244651792869
5 √n
29.326139610667
1 , 2 , 7 , 11 , 14 , 22 , 61 , 77 , 122 , 154 , 427 , 671 , 854 , 1342 , 2309 , 4618 , 4697 , 9394 , 16163 , 25399 , 32326 , 50798 , 140849 , 177793 , 281698 , 355586 , 985943 , 1549339 , 1971886 , 3098678 , 10845373 , 21690746
32 divisors
τ
Total Divisors
32
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-21690745
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.03125
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
32
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 21690746 can be divided by 32 positive divisors.
The sum of these divisors (counting 21690746) is 1, the average is 0.03125.
Base
System
Value
2
Binary
1010010101111100101111010
3
Ternary
1111211000002222
4
Quaternary
1102233211322
5
Quinary
21023100441
6
Senary
2052524042
8
Octal
122574572
10
Decimal
21690746
12
Duodecimal
7320622
16
Hexadecimal
14af97a
20
Vigesimal
6fb6h6
36
Base36
cwwoq
md5
75825499c9d00263c9a9fc9c03e4eb92
sha1
b86aa9d7494b6fa64798aa25790d46a20a5bf25e
sha256
0c0ad45b7fc406f374f36780ca64b77b6888b0c9bb565d0326fb319024a0acdc
sha512
71bc4ccbd5a27c9c420913e6861526c01210418c3bdd4d41d9b6220fbb56b655057440b914321f8c61a1df3490c8e1372de73ff5607c5c3e10c74bad00086f2e
ripemd-160
cd6a4d49e276918a51ba07b413b0e428255f8178
Diameter
43381492
Circumference
136286976.56896
Area
1.4780830959327E+15
Volume
4.2747633334359E+22
Surface area
5.9123323837307E+15
Circumference
136286976.56896
Perimeter
86762984
Area
470488462036516
Diagonal
30675347.17119
Surface area
2822930772219096
Volume
1.0205245725965E+22
Space diagonal
37569474.126071
Perimeter
65072238
Area
2.0372748015555E+14
Altitude
18784737.063036
Surface area
2.0372748015555E+14
Volume
1.2026997427508E+21
Height
10225115.72373