20697949 is an odd 8-digits composite number following 20697948
and preceding 20697950 . In scientific notation, it is written as 2.0697949 × 10^7.
The sum of its digits is 46. It has a total of 2 prime factors and 4 positive divisors.
There are 20582140 positive integers (up to 20697949) that are relatively prime to 20697949.
20697949 has 4 divisors, whose sum is 20813760
The reverse of 20697949 is 94979602
Previous prime number is 179
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 46
Digital Root 1
Name
twenty million six hundred ninety-seven thousand nine hundred forty-nine
Scientific notation
2.0697949 × 10^7
Engineering notation
2.0697949 × 10^6
Prime Factorization
179 × 115631
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
20697949
Product of the distinct prime numbers
The prime factorization of 20697949 is 179 × 115631.
Since it has a total of 2 prime factors.
2 , 1 , 69 , 97 , 735 , 172 , 2288 , 13 , 6202 , 62332 , 105507 , 11027 , 5253571 , 1844739 , 12357686 , 21060023 , 478838443 , 527664643 , 4639199627 , 5047647073
n×2
41395898
n×3
62093847
n×4
82791796
n×5
103489745
n÷2
10348974.5
n÷3
6899316.3333333
n÷3
5174487.25
n÷5
4139589.8
n2
428405092806601
n3
8.8671067622513E+21
n4
1.8353092354263E+29
n5
3.7987136954083E+36
2 √n
4549.4998626223
3 √n
274.56326932457
4 √n
67.449980449384
5 √n
29.052630623974
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
-20697948
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 20697949 can be divided by 4 positive divisors.
The sum of these divisors (counting 20697949) is 1, the average is 0.25.
Base
System
Value
2
Binary
1001110111101001101011101
3
Ternary
1102221120020201
4
Quaternary
1032331031131
5
Quinary
20244313244
6
Senary
2015343501
8
Octal
116751535
10
Decimal
20697949
12
Duodecimal
6b21b91
16
Hexadecimal
13bd35d
20
Vigesimal
6974h9
36
Base36
cbmn1
md5
05aab73a4db13b168fcc09a275fee759
sha1
884337ccfdfe018c0e72a38959a2172eeed24a12
sha256
7f3561e89ea8bfb4992df129974fa6f7f19e77ef6a8a2a232bff63960670270e
sha512
1c5480e7c92fb4f1c5eb8c182876e8d624f325f604acac7d7bf3c8ad0bfeeea31c773e828940bcc59296774326b65fba99ccb91bbb8e87e14bffa6d793213b1e
ripemd-160
331fae97f5d7d70415715c003e28b9f19a5e3542
Diameter
41395898
Circumference
130049049.04555
Area
1.3458742923217E+15
Volume
3.7142449950513E+22
Surface area
5.3834971692867E+15
Circumference
130049049.04555
Perimeter
82791796
Area
428405092806601
Diagonal
29271320.189107
Surface area
2570430556839606
Volume
8.8671067622513E+21
Space diagonal
35849899.280469
Perimeter
62093847
Area
1.8550484674057E+14
Altitude
17924949.640235
Surface area
1.8550484674057E+14
Volume
1.0449985535155E+21
Height
9757106.7297022