20777978 is an even 8-digits composite number following 20777977
and preceding 20777979 . In scientific notation, it is written as 2.0777978 × 10^7.
The sum of its digits is 47. It has a total of 5 prime factors and 32 positive divisors.
There are 8709120 positive integers (up to 20777978) that are relatively prime to 20777978.
20777978 has 32 divisors, whose sum is 36786960
The reverse of 20777978 is 87977702
Previous prime number is 17
Is Prime? no
Number parity even
Number length 8
Sum of Digits 47
Digital Root 2
Name
twenty million seven hundred seventy-seven thousand nine hundred seventy-eight
Scientific notation
2.0777978 × 10^7
Engineering notation
2.0777978 × 10^6
Prime Factorization
2 × 13 × 29 × 17 × 1621
Composite number
ω
Distinct Factors
5
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
20777978
Product of the distinct prime numbers
The prime factorization of 20777978 is 2 × 13 × 29 × 17 × 1621.
Since it has a total of 5 prime factors.
7 , 5 , 51 , 59 , 453 , 922 , 6323 , 7872 , 76180 , 17902 , 434412 , 821037 , 260306 , 9192468 , 88002436 , 1412390 , 414198125 , 577751740 , 1200459204 , 4830875610
n×2
41555956
n×3
62333934
n×4
83111912
n×5
103889890
n÷2
10388989
n÷3
6925992.6666667
n÷3
5194494.5
n÷5
4155595.6
n2
431724369768484
n3
8.9703594571134E+21
n4
1.8638593145199E+29
n5
3.8727227832191E+36
2 √n
4558.2867395547
3 √n
274.91668219745
4 √n
67.515085273994
5 √n
29.075062463496
1 , 2 , 13 , 17 , 26 , 29 , 34 , 58 , 221 , 377 , 442 , 493 , 754 , 986 , 1621 , 3242 , 6409 , 12818 , 21073 , 27557 , 42146 , 47009 , 55114 , 94018 , 358241 , 611117 , 716482 , 799153 , 1222234 , 1598306 , 10388989 , 20777978
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
-20777977
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 20777978 can be divided by 32 positive divisors.
The sum of these divisors (counting 20777978) is 1, the average is 0.03125.
Base
System
Value
2
Binary
1001111010000101111111010
3
Ternary
1110002122000202
4
Quaternary
1033100233322
5
Quinary
20304343403
6
Senary
2021202202
8
Octal
117205772
10
Decimal
20777978
12
Duodecimal
6b60362
16
Hexadecimal
13d0bfa
20
Vigesimal
69h4ii
36
Base36
cdce2
md5
66077af0113385b4309f0d66ca96b86c
sha1
4440056fa344c492c78237470cb831954cd75b1d
sha256
d6d12d42fa1459859ae1b3dd1bbdf22239cf747637f6ccdf360821681f9102c3
sha512
2d5e982f574964547aebf597f82c3f75dde7a80c5faf1a041e2d73e3f38e0b53953c70b1b0fdcab8cc55784302b050854fb0761c1750d713d167b0d028dafcd9
ripemd-160
915d8f029084888a0c62286b54893474b147cca6
Diameter
41555956
Circumference
130551886.0825
Area
1.3563021084404E+15
Volume
3.757495382737E+22
Surface area
5.4252084337614E+15
Circumference
130551886.0825
Perimeter
83111912
Area
431724369768484
Diagonal
29384498.28629
Surface area
2590346218610904
Volume
8.9703594571134E+21
Space diagonal
35988513.574548
Perimeter
62333934
Area
1.8694213582617E+14
Altitude
17994256.787274
Surface area
1.8694213582617E+14
Volume
1.057167000301E+21
Height
9794832.7620966