20453490 is an even 8-digits composite number following 20453489
and preceding 20453491 . In scientific notation, it is written as 2.0453490 × 10^7.
The sum of its digits is 27. It has a total of 5 prime factors and 32 positive divisors.
There are 5277600 positive integers (up to 20453490) that are relatively prime to 20453490.
20453490 has 32 divisors, whose sum is 42232320
The reverse of 20453490 is 09435402
Previous prime number is 31
Is Prime? no
Number parity even
Number length 8
Sum of Digits 27
Digital Root 9
Name
twenty million four hundred fifty-three thousand four hundred ninety
Scientific notation
2.0453490 × 10^7
Engineering notation
2.0453490 × 10^6
Prime Factorization
2 × 9 × 5 × 31 × 7331
Composite number
ω
Distinct Factors
5
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
20453490
Product of the distinct prime numbers
The prime factorization of 20453490 is 2 × 9 × 5 × 31 × 7331.
Since it has a total of 5 prime factors.
5 , 5 , 45 , 70 , 429 , 899 , 4981 , 6882 , 79597 , 81803 , 968760 , 699745 , 3407346 , 597489 , 18869301 , 84180888 , 595125397 , 292936119 , 2266901700 , 5922169679
n×2
40906980
n×3
61360470
n×4
81813960
n×5
102267450
n÷2
10226745
n÷3
6817830
n÷3
5113372.5
n÷5
4090698
n2
418345253180100
n3
8.5566204524666E+21
n4
1.7501275085832E+29
n5
3.5796215495532E+36
2 √n
4522.5534822708
3 √n
273.47804981216
4 √n
67.249932953653
5 √n
28.983677224815
1 , 2 , 5 , 9 , 10 , 18 , 31 , 45 , 62 , 90 , 155 , 279 , 310 , 558 , 1395 , 2790 , 7331 , 14662 , 36655 , 65979 , 73310 , 131958 , 227261 , 329895 , 454522 , 659790 , 1136305 , 2045349 , 2272610 , 4090698 , 10226745 , 20453490
32 divisors
τ
Total Divisors
32
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20453489
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.03125
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
32
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20453490 can be divided by 32 positive divisors.
The sum of these divisors (counting 20453490) is 1, the average is 0.03125.
Base
System
Value
2
Binary
1001110000001100001110010
3
Ternary
1102111010220200
4
Quaternary
1032001201302
5
Quinary
20214002430
6
Senary
2010220030
8
Octal
116014162
10
Decimal
20453490
12
Duodecimal
6a24616
16
Hexadecimal
1381872
20
Vigesimal
67gdea
36
Base36
c6e0i
md5
c7492698c5591b88349d900dc495298b
sha1
bd1787642967f4ba9f7071f5b0d39ab73da7a6c2
sha256
c057f4feba50d94fabea3e3fa6a6f09ca6086081a248606e288710a30a9aa939
sha512
f73931ec899486932cd70d34d8a92b8ae3d339edf99d11908a39e90a9ac15f9f3af3108534a6ba7a27fff4f3bd625fd35526e9d74e38f1939cab3bc1c8e492cd
ripemd-160
b816d88f28d7380c599c605d2409e9eb34ef2512
Diameter
40906980
Circumference
128513067.84854
Area
1.3142703740548E+15
Volume
3.5841887937367E+22
Surface area
5.2570814962191E+15
Circumference
128513067.84854
Perimeter
81813960
Area
418345253180100
Diagonal
28925602.955862
Surface area
2510071519080600
Volume
8.5566204524666E+21
Space diagonal
35426483.872102
Perimeter
61360470
Area
1.811488084033E+14
Altitude
17713241.936051
Surface area
1.811488084033E+14
Volume
1.0084073909964E+21
Height
9641867.6519542