20783998 is an even 8-digits composite number following 20783997
and preceding 20783999 . In scientific notation, it is written as 2.0783998 × 10^7.
The sum of its digits is 46. It has a total of 2 prime factors and 4 positive divisors.
There are 10391998 positive integers (up to 20783998) that are relatively prime to 20783998.
20783998 has 4 divisors, whose sum is 31176000
The reverse of 20783998 is 89938702
Previous prime number is 2
Is Prime? no
Number parity even
Number length 8
Sum of Digits 46
Digital Root 1
Name
twenty million seven hundred eighty-three thousand nine hundred ninety-eight
Scientific notation
2.0783998 × 10^7
Engineering notation
2.0783998 × 10^6
Prime Factorization
2 × 10391999
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
20783998
Product of the distinct prime numbers
The prime factorization of 20783998 is 2 × 10391999.
Since it has a total of 2 prime factors.
8 , 9 , 47 , 18 , 729 , 519 , 3570 , 5624 , 48612 , 47395 , 560232 , 903657 , 9624960 , 6484487 , 40773744 , 72524359 , 549406080 , 122177908 , 620394078 , 5486117790
n×2
41567996
n×3
62351994
n×4
83135992
n×5
103919990
n÷2
10391999
n÷3
6927999.3333333
n÷3
5195999.5
n÷5
4156799.6
n2
431974572864004
n3
8.9781586584563E+21
n4
1.8660203160104E+29
n5
3.8783362515919E+36
2 √n
4558.9470275492
3 √n
274.94323015476
4 √n
67.519975026278
5 √n
29.076747050849
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
-20783997
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 20783998 can be divided by 4 positive divisors.
The sum of these divisors (counting 20783998) is 1, the average is 0.25.
Base
System
Value
2
Binary
1001111010010001101111110
3
Ternary
1110002221021201
4
Quaternary
1033102031332
5
Quinary
20310041443
6
Senary
2021250114
8
Octal
117221576
10
Decimal
20783998
12
Duodecimal
6b6393a
16
Hexadecimal
13d237e
20
Vigesimal
69hjji
36
Base36
cdh1a
md5
0cbc2edc758681c1b93495862760af89
sha1
8d34f5fa7b2bf26d6f2b91707d6b325e26d246d2
sha256
4fba9d934c5e813983c6f2335465fc900074b9cebd58d9a16a154fde58fb3e1d
sha512
74b13d358c73d599f24940e4bbb5edb72a0367fc4764f1c51029d5fc9f251ab5914c45a6291381c038a29899719963db69d49704b16926862cb967c62f344fe2
ripemd-160
4b81cf558668e29ce4a0842c17157439f17c4be3
Diameter
41567996
Circumference
130589710.85805
Area
1.3570881446471E+15
Volume
3.760762304556E+22
Surface area
5.4283525785886E+15
Circumference
130589710.85805
Perimeter
83135992
Area
431974572864004
Diagonal
29393011.851935
Surface area
2591847437184024
Volume
8.9781586584563E+21
Space diagonal
35998940.52041
Perimeter
62351994
Area
1.8705047694458E+14
Altitude
17999470.260205
Surface area
1.8705047694458E+14
Volume
1.0580861449939E+21
Height
9797670.6173118