20993969 is an odd 8-digits composite number following 20993968
and preceding 20993970 . In scientific notation, it is written as 2.0993969 × 10^7.
The sum of its digits is 47. It has a total of 2 prime factors and 4 positive divisors.
There are 20934144 positive integers (up to 20993969) that are relatively prime to 20993969.
20993969 has 4 divisors, whose sum is 21053796
The reverse of 20993969 is 96939902
Previous prime number is 353
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 47
Digital Root 2
Name
twenty million nine hundred ninety-three thousand nine hundred sixty-nine
Scientific notation
2.0993969 × 10^7
Engineering notation
2.0993969 × 10^6
Prime Factorization
353 × 59473
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
20993969
Product of the distinct prime numbers
The prime factorization of 20993969 is 353 × 59473.
Since it has a total of 2 prime factors.
4 , 1 , 70 , 80 , 520 , 237 , 8364 , 1056 , 53531 , 77724 , 981839 , 843009 , 6025044 , 9198285 , 27629565 , 18905581 , 540512319 , 978040990 , 4138987094 , 3988082682
n×2
41987938
n×3
62981907
n×4
83975876
n×5
104969845
n÷2
10496984.5
n÷3
6997989.6666667
n÷3
5248492.25
n÷5
4198793.8
n2
440746734372961
n3
9.2530232782772E+21
n4
1.9425768386043E+29
n5
4.0782397929777E+36
2 √n
4581.9176116556
3 √n
275.86600388442
4 √n
67.689863433572
5 √n
29.135260823452
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
-20993968
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 20993969 can be divided by 4 positive divisors.
The sum of these divisors (counting 20993969) is 1, the average is 0.25.
Base
System
Value
2
Binary
1010000000101011110110001
3
Ternary
1110111121022102
4
Quaternary
1100011132301
5
Quinary
20333301334
6
Senary
2025550145
8
Octal
120053661
10
Decimal
20993969
12
Duodecimal
7045355
16
Hexadecimal
14057b1
20
Vigesimal
6b44i9
36
Base36
chz1t
md5
c71ba6692be43174b0df22894b9190e6
sha1
3ba672b33cb775d21959b565728c1b0af465ecdc
sha256
85fe81c3175afcb2b0e393732fb66ddb1518f663460710ed2fa468547ba33d5c
sha512
88d355ea2984b505e5e82cbd8e19e0d222ca303b27b53e6011cb6b519dc08dbc70306d570d98867361539c84192cb2204d88c64a877e7de3017146262dc7d2e1
ripemd-160
d9107fc2d9efca5dd937c2909ba2f165b6a440e8
Diameter
41987938
Circumference
131908997.56018
Area
1.3846467027998E+15
Volume
3.8758973272708E+22
Surface area
5.5385868111991E+15
Circumference
131908997.56018
Perimeter
83975876
Area
440746734372961
Diagonal
29689955.68784
Surface area
2644480406237766
Volume
9.2530232782772E+21
Space diagonal
36362620.960526
Perimeter
62981907
Area
1.9084893430101E+14
Altitude
18181310.480263
Surface area
1.9084893430101E+14
Volume
1.0904792510911E+21
Height
9896651.8959468