20542947 is an odd 8-digits composite number following 20542946
and preceding 20542948 . In scientific notation, it is written as 2.0542947 × 10^7.
The sum of its digits is 33. It has a total of 2 prime factors and 4 positive divisors.
There are 13695296 positive integers (up to 20542947) that are relatively prime to 20542947.
20542947 has 4 divisors, whose sum is 27390600
The reverse of 20542947 is 74924502
Previous prime number is 3
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 33
Digital Root 6
Name
twenty million five hundred forty-two thousand nine hundred forty-seven
Scientific notation
2.0542947 × 10^7
Engineering notation
2.0542947 × 10^6
Prime Factorization
3 × 6847649
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
20542947
Product of the distinct prime numbers
The prime factorization of 20542947 is 3 × 6847649.
Since it has a total of 2 prime factors.
2 , 10 , 54 , 65 , 294 , 31 , 5031 , 3908 , 70604 , 86660 , 530232 , 681743 , 5763686 , 9255324 , 26504577 , 59353457 , 973042415 , 444203996 , 4620538587 , 644253232
n×2
41085894
n×3
61628841
n×4
82171788
n×5
102714735
n÷2
10271473.5
n÷3
6847649
n÷3
5135736.75
n÷5
4108589.4
n2
422012671444809
n3
8.6693839428191E+21
n4
1.7809469485998E+29
n5
3.6585898774898E+36
2 √n
4532.4327904559
3 √n
273.87617169181
4 √n
67.323345062882
5 √n
29.008986046568
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
-20542946
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 20542947 can be divided by 4 positive divisors.
The sum of these divisors (counting 20542947) is 1, the average is 0.25.
Base
System
Value
2
Binary
1001110010111010111100011
3
Ternary
1102122200121220
4
Quaternary
1032113113203
5
Quinary
20224333242
6
Senary
2012150123
8
Octal
116272743
10
Decimal
20542947
12
Duodecimal
6a68343
16
Hexadecimal
13975e3
20
Vigesimal
687h77
36
Base36
c8b1f
md5
b59b6c6f2b3fbf5603b09f6d51e87193
sha1
56913f43a41c22bbb17003c2ad40155cb62a33ba
sha256
68c8892bc6788c5dac218bff3a7f184fd315a83b1114af8721989be2e80da7d1
sha512
776162fdd717b7a8bbb560cd5759499d22bfe09e43670e86001657e0f9c0aa3acb65af8b84ffc6c441ac20f94f005226ef9fc72a43ae64f3a924c8b1bdebcb7a
ripemd-160
f83d2782c94aa9008a1151f74954d29f5c8ceed6
Diameter
41085894
Circumference
129075142.75657
Area
1.3257919083328E+15
Volume
3.6314230541213E+22
Surface area
5.3031676333313E+15
Circumference
129075142.75657
Perimeter
82171788
Area
422012671444809
Diagonal
29052114.258512
Surface area
2532076028668854
Volume
8.6693839428191E+21
Space diagonal
35581427.941195
Perimeter
61628841
Area
1.8273684709507E+14
Altitude
17790713.970597
Surface area
1.8273684709507E+14
Volume
1.0216966957795E+21
Height
9684038.0861706