20972913 is an odd 8-digits composite number following 20972912
and preceding 20972914 . In scientific notation, it is written as 2.0972913 × 10^7.
The sum of its digits is 33. It has a total of 3 prime factors and 8 positive divisors.
There are 12789504 positive integers (up to 20972913) that are relatively prime to 20972913.
20972913 has 8 divisors, whose sum is 27988800
The reverse of 20972913 is 31927902
Previous prime number is 1469
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 33
Digital Root 6
Name
twenty million nine hundred seventy-two thousand nine hundred thirteen
Scientific notation
2.0972913 × 10^7
Engineering notation
2.0972913 × 10^6
Prime Factorization
3 × 1469 × 4759
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
20972913
Product of the distinct prime numbers
The prime factorization of 20972913 is 3 × 1469 × 4759.
Since it has a total of 3 prime factors.
9 , 6 , 52 , 31 , 727 , 725 , 288 , 3479 , 53511 , 10171 , 362373 , 230002 , 2419527 , 8682929 , 53893079 , 25380806 , 623558959 , 439062743 , 803014761 , 6036451172
n×2
41945826
n×3
62918739
n×4
83891652
n×5
104864565
n÷2
10486456.5
n÷3
6990971
n÷3
5243228.25
n÷5
4194582.6
n2
439863079705569
n3
9.225210102577E+21
n4
1.9347952888807E+29
n5
4.0578293266504E+36
2 √n
4579.6193073224
3 √n
275.77374599847
4 √n
67.672884579589
5 √n
29.129414208036
8 divisors
τ
Total Divisors
8
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20972912
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.125
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
8
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20972913 can be divided by 8 positive divisors.
The sum of these divisors (counting 20972913) is 1, the average is 0.125.
Base
System
Value
2
Binary
1010000000000010101110001
3
Ternary
1110110112102120
4
Quaternary
1100000111301
5
Quinary
20332113123
6
Senary
2025304453
8
Octal
120002561
10
Decimal
20972913
12
Duodecimal
7035129
16
Hexadecimal
1400571
20
Vigesimal
6b1c5d
36
Base36
chisx
md5
bfb2c4a9eec6e29b3e949d19e32d8929
sha1
4d7bc2f11a26d2a3e8e8f3442816b1defbe14750
sha256
708c7d1c7b67f7017ec45ada236a047b8afdf6e0bf07ed7ce43e5277a21f28bc
sha512
c135979984489717b4a327090e996aa2d04e39998e026f7a06460cb8ae4ffd711f0342a811cd844992fe961920a58d882d3edad8eeec3e171feab6dea00a5a8c
ripemd-160
3508b5776b329346428474c508258a8d52e50701
Diameter
41945826
Circumference
131776698.81036
Area
1.3818706197884E+15
Volume
3.8642469714771E+22
Surface area
5.5274824791536E+15
Circumference
131776698.81036
Perimeter
83891652
Area
439863079705569
Diagonal
29660178.007071
Surface area
2639178478233414
Volume
9.225210102577E+21
Space diagonal
36326150.898722
Perimeter
62918739
Area
1.9046630060594E+14
Altitude
18163075.449361
Surface area
1.9046630060594E+14
Volume
1.0872014369005E+21
Height
9886726.002357