20978047 is an odd 8-digits composite number following 20978046
and preceding 20978048 . In scientific notation, it is written as 2.0978047 × 10^7.
The sum of its digits is 37. It has a total of 2 prime factors and 4 positive divisors.
There are 20065936 positive integers (up to 20978047) that are relatively prime to 20978047.
20978047 has 4 divisors, whose sum is 21890160
The reverse of 20978047 is 74087902
Previous prime number is 23
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 37
Digital Root 1
Name
twenty million nine hundred seventy-eight thousand forty-seven
Scientific notation
2.0978047 × 10^7
Engineering notation
2.0978047 × 10^6
Prime Factorization
23 × 912089
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
20978047
Product of the distinct prime numbers
The prime factorization of 20978047 is 23 × 912089.
Since it has a total of 2 prime factors.
9 , 2 , 61 , 29 , 984 , 3 , 5356 , 3079 , 96872 , 94790 , 726238 , 959199 , 401588 , 3523925 , 79633646 , 78065160 , 343777652 , 178587401 , 4002450983 , 5529039614
n×2
41956094
n×3
62934141
n×4
83912188
n×5
104890235
n÷2
10489023.5
n÷3
6992682.3333333
n÷3
5244511.75
n÷5
4195609.4
n2
440078455934209
n3
9.2319865322753E+21
n4
1.9366904737744E+29
n5
4.0627983783291E+36
2 √n
4580.1797999642
3 √n
275.79624655908
4 √n
67.677025643598
5 √n
29.130840197561
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
-20978046
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 20978047 can be divided by 4 positive divisors.
The sum of these divisors (counting 20978047) is 1, the average is 0.25.
Base
System
Value
2
Binary
1010000000001100101111111
3
Ternary
1110110210110201
4
Quaternary
1100001211333
5
Quinary
20332244142
6
Senary
2025344331
8
Octal
120014577
10
Decimal
20978047
12
Duodecimal
70380a7
16
Hexadecimal
140197f
20
Vigesimal
6b2527
36
Base36
chmrj
md5
321683172beb521b85e605729a5df130
sha1
a4455b17620f133069c3255165b8ea5158359fe3
sha256
e9b0a86968647f4d4464cd4becf6c8ff4e1ea574b5e627d3e6585235e694a902
sha512
f7b8e1fb41a6469de961717f4d4fa9adacc96342a6882e7dfb9fa44c8a1c4f182e00fb46eeb0502258b2b373b2e6c54fcaf8f51ed364aabfe9b66b0e8f0cf71a
ripemd-160
728518c725b72328c3461072717516fc18c45800
Diameter
41956094
Circumference
131808956.68372
Area
1.3825472441661E+15
Volume
3.8670854757115E+22
Surface area
5.5301889766642E+15
Circumference
131808956.68372
Perimeter
83912188
Area
440078455934209
Diagonal
29667438.5795
Surface area
2640470735605254
Volume
9.2319865322753E+21
Space diagonal
36335043.247568
Perimeter
62934141
Area
1.9055956124863E+14
Altitude
18167521.623784
Surface area
1.9055956124863E+14
Volume
1.0880000467991E+21
Height
9889146.1931667