20461728 is an even 8-digits composite number following 20461727
and preceding 20461729 . In scientific notation, it is written as 2.0461728 × 10^7.
The sum of its digits is 30. It has a total of 7 prime factors and 24 positive divisors.
There are 5846016 positive integers (up to 20461728) that are relatively prime to 20461728.
20461728 has 24 divisors, whose sum is 42203700
The reverse of 20461728 is 82716402
Previous prime number is 21
Is Prime? no
Number parity even
Number length 8
Sum of Digits 30
Digital Root 3
Name
twenty million four hundred sixty-one thousand seven hundred twenty-eight
Scientific notation
2.0461728 × 10^7
Engineering notation
2.0461728 × 10^6
Prime Factorization
2 × 2 × 2 × 2 × 2 × 21 × 30449
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
7
Total number of prime factors
rad
Radical
1278858
Product of the distinct prime numbers
The prime factorization of 20461728 is 2 × 2 × 2 × 2 × 2 × 21 × 30449.
Since it has a total of 7 prime factors.
1 , 8 , 62 , 13 , 571 , 593 , 4536 , 9084 , 15605 , 79692 , 736051 , 962213 , 7951059 , 3147592 , 17124311 , 69331780 , 833851274 , 480042983 , 9380419112 , 5325755786
n×2
40923456
n×3
61385184
n×4
81846912
n×5
102308640
n÷2
10230864
n÷3
6820576
n÷3
5115432
n÷5
4092345.6
n2
418682312745984
n3
8.5669636018193E+21
n4
1.7529487900633E+29
n5
3.5868361340204E+36
2 √n
4523.4641592479
3 √n
273.51476090279
4 √n
67.256703452131
5 √n
28.986011585114
1 , 2 , 4 , 8 , 16 , 21 , 32 , 42 , 84 , 168 , 336 , 672 , 30449 , 60898 , 121796 , 243592 , 487184 , 639429 , 974368 , 1278858 , 2557716 , 5115432 , 10230864 , 20461728
24 divisors
τ
Total Divisors
24
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20461727
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.041666666666667
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
24
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20461728 can be divided by 24 positive divisors.
The sum of these divisors (counting 20461728) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
1001110000011100010100000
3
Ternary
1102111120012210
4
Quaternary
1032003202200
5
Quinary
20214233403
6
Senary
2010322120
8
Octal
116034240
10
Decimal
20461728
12
Duodecimal
6a29340
16
Hexadecimal
13838a0
20
Vigesimal
67he68
36
Base36
c6kdc
md5
34a1eb70e6995765a418c5755a7c968e
sha1
863f28403e09c80b29875e60257e553f6d43645a
sha256
75908911c86fb6d73dea818eb6e7e38509348357f58188765b989bc1a32f841b
sha512
deca2b747abc4a69e55e9f2cefc147cf0234697bbdf603a748a875777487b209eb2003162a6114712f66c52ee8713ba2b9be92db657ac031dc8bf38dd9dc99a3
ripemd-160
393783ccb004f487d881b0cd5ef1d2ea6502a126
Diameter
40923456
Circumference
128564828.72911
Area
1.3153292779108E+15
Volume
3.5885213220062E+22
Surface area
5.2613171116431E+15
Circumference
128564828.72911
Perimeter
81846912
Area
418682312745984
Diagonal
28937253.247189
Surface area
2512093876475904
Volume
8.5669636018193E+21
Space diagonal
35440752.506655
Perimeter
61385184
Area
1.8129475947662E+14
Altitude
17720376.253327
Surface area
1.8129475947662E+14
Volume
1.0096263428375E+21
Height
9645751.0823964