20453789 is an odd 8-digits composite number following 20453788
and preceding 20453790 . In scientific notation, it is written as 2.0453789 × 10^7.
The sum of its digits is 38. It has a total of 2 prime factors and 4 positive divisors.
There are 20018556 positive integers (up to 20453789) that are relatively prime to 20453789.
20453789 has 4 divisors, whose sum is 20889024
The reverse of 20453789 is 98735402
Previous prime number is 47
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 38
Digital Root 2
Name
twenty million four hundred fifty-three thousand seven hundred eighty-nine
Scientific notation
2.0453789 × 10^7
Engineering notation
2.0453789 × 10^6
Prime Factorization
47 × 435187
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
20453789
Product of the distinct prime numbers
The prime factorization of 20453789 is 47 × 435187.
Since it has a total of 2 prime factors.
4 , 10 , 91 , 37 , 665 , 27 , 7051 , 2018 , 32278 , 48317 , 843744 , 1040 , 4450794 , 8993193 , 58956620 , 88817811 , 63579054 , 861008016 , 6762277295 , 6750120477
n×2
40907578
n×3
61361367
n×4
81815156
n×5
102268945
n÷2
10226894.5
n÷3
6817929.6666667
n÷3
5113447.25
n÷5
4090757.8
n2
418357484456521
n3
8.5569957136445E+21
n4
1.7502298480079E+29
n5
3.5798832012655E+36
2 √n
4522.5865386966
3 √n
273.47938242155
4 √n
67.250178726132
5 √n
28.983761964083
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
-20453788
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 20453789 can be divided by 4 positive divisors.
The sum of these divisors (counting 20453789) is 1, the average is 0.25.
Base
System
Value
2
Binary
1001110000001100110011101
3
Ternary
1102111011022202
4
Quaternary
1032001212131
5
Quinary
20214010124
6
Senary
2010221245
8
Octal
116014635
10
Decimal
20453789
12
Duodecimal
6a24825
16
Hexadecimal
138199d
20
Vigesimal
67ge99
36
Base36
c6e8t
md5
5a0267fb7e1696d4b960cc874c6239e9
sha1
26bb51d0ac6622a1ea0fd49bf67cc5e4aed8d015
sha256
0db223018c156631dcbdd0b2de5d5d9354968055c8b29211c5ed859a264c289c
sha512
8468c3e590cd52cfaef2cf92208bdf8f5aa131b402c56569b65aaf63774a79eaccb5459712d0c76c1528e492ea3ce3103e0c86dd50d12f52b5b03d94a3429805
ripemd-160
43ac9e60f17df03876e3e9499624f4bb3fd4cf72
Diameter
40907578
Circumference
128514946.52095
Area
1.3143087997429E+15
Volume
3.5843459827713E+22
Surface area
5.2572351989716E+15
Circumference
128514946.52095
Perimeter
81815156
Area
418357484456521
Diagonal
28926025.805718
Surface area
2510144906739126
Volume
8.5569957136445E+21
Space diagonal
35427001.755293
Perimeter
61361367
Area
1.8115410470135E+14
Altitude
17713500.877647
Surface area
1.8115410470135E+14
Volume
1.0084516159504E+21
Height
9642008.6019059