20842947 is an odd 8-digits composite number following 20842946
and preceding 20842948 . In scientific notation, it is written as 2.0842947 × 10^7.
The sum of its digits is 36. It has a total of 3 prime factors and 8 positive divisors.
There are 13895280 positive integers (up to 20842947) that are relatively prime to 20842947.
20842947 has 8 divisors, whose sum is 30878480
The reverse of 20842947 is 74924802
Previous prime number is 9
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 36
Digital Root 9
Name
twenty million eight hundred forty-two thousand nine hundred forty-seven
Scientific notation
2.0842947 × 10^7
Engineering notation
2.0842947 × 10^6
Prime Factorization
3 × 9 × 771961
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
20842947
Product of the distinct prime numbers
The prime factorization of 20842947 is 3 × 9 × 771961.
Since it has a total of 3 prime factors.
1 , 4 , 55 , 33 , 872 , 277 , 2491 , 850 , 18022 , 9664 , 500179 , 284889 , 9890094 , 7261596 , 66905092 , 13320115 , 802279438 , 221100786 , 5772373278 , 6547646177
n×2
41685894
n×3
62528841
n×4
83371788
n×5
104214735
n÷2
10421473.5
n÷3
6947649
n÷3
5210736.75
n÷5
4168589.4
n2
434428439644809
n3
9.0547689428095E+21
n4
1.8872806917222E+29
n5
3.933649143169E+36
2 √n
4565.4076488305
3 √n
275.20292240311
4 √n
67.567800384728
5 √n
29.093222262861
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
-20842946
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 20842947 can be divided by 8 positive divisors.
The sum of these divisors (counting 20842947) is 1, the average is 0.125.
Base
System
Value
2
Binary
1001111100000100111000011
3
Ternary
1110012221011000
4
Quaternary
1033200213003
5
Quinary
20313433242
6
Senary
2022423043
8
Octal
117404703
10
Decimal
20842947
12
Duodecimal
6b91a83
16
Hexadecimal
13e09c3
20
Vigesimal
6a5777
36
Base36
ceqir
md5
d24d4cdd8b28fc14a253cf804a7ac9be
sha1
a479a3111576344c4ef02fb28662acac965576f1
sha256
6595452f554d98815133c3f381165024f27100b6c8c6d91e4faee69bb0e121d0
sha512
aa33a7f3e54a167e38b91f5e00329c7e4fbe35ccdcf5224d4a80600822b0ec56b0a7011ac13cb2f9305b9ae1a5ff5eeac3f0239302f3a3599e2254c032384226
ripemd-160
2f09ea8de24bd173d17db380745a52f4ca340a7e
Diameter
41685894
Circumference
130960098.34872
Area
1.3647971944986E+15
Volume
3.7928527454244E+22
Surface area
5.4591887779944E+15
Circumference
130960098.34872
Perimeter
83371788
Area
434428439644809
Diagonal
29476378.327224
Surface area
2606570637868854
Volume
9.0547689428095E+21
Space diagonal
36101043.183465
Perimeter
62528841
Area
1.8811303242942E+14
Altitude
18050521.591733
Surface area
1.8811303242942E+14
Volume
1.0671147535897E+21
Height
9825459.4424079