20453685 is an odd 8-digits composite number following 20453684
and preceding 20453686 . In scientific notation, it is written as 2.0453685 × 10^7.
The sum of its digits is 33. It has a total of 4 prime factors and 16 positive divisors.
There are 9272640 positive integers (up to 20453685) that are relatively prime to 20453685.
20453685 has 16 divisors, whose sum is 25141248
The reverse of 20453685 is 58635402
Previous prime number is 131
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 33
Digital Root 6
Name
twenty million four hundred fifty-three thousand six hundred eighty-five
Scientific notation
2.0453685 × 10^7
Engineering notation
2.0453685 × 10^6
Prime Factorization
15 × 7 × 131 × 1487
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
20453685
Product of the distinct prime numbers
The prime factorization of 20453685 is 15 × 7 × 131 × 1487.
Since it has a total of 4 prime factors.
9 , 1 , 15 , 72 , 60 , 413 , 4691 , 1045 , 12910 , 66856 , 582782 , 240325 , 5876610 , 5201273 , 79342440 , 85444285 , 696290227 , 618485176 , 5438515748 , 7484412077
n×2
40907370
n×3
61361055
n×4
81814740
n×5
102268425
n÷2
10226842.5
n÷3
6817895
n÷3
5113421.25
n÷5
4090737
n2
418353230079225
n3
8.556865186773E+21
n4
1.7501942511772E+29
n5
3.579792190239E+36
2 √n
4522.5750408368
3 √n
273.47891890671
4 √n
67.250093240358
5 √n
28.983732489667
1 , 7 , 15 , 105 , 131 , 917 , 1487 , 1965 , 10409 , 13755 , 22305 , 156135 , 194797 , 1363579 , 2921955 , 20453685
16 divisors
τ
Total Divisors
16
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20453684
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.0625
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
16
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20453685 can be divided by 16 positive divisors.
The sum of these divisors (counting 20453685) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1001110000001100100110101
3
Ternary
1102111011011220
4
Quaternary
1032001210311
5
Quinary
20214004220
6
Senary
2010220553
8
Octal
116014465
10
Decimal
20453685
12
Duodecimal
6a24759
16
Hexadecimal
1381935
20
Vigesimal
67ge45
36
Base36
c6e5x
md5
a75a831a8ffe0c76b9ba026797abe346
sha1
eb7a27e98cc55d54c690d672fe12c78c1fe660e4
sha256
fdcd7b8ceb15900a8628b54df7f45aae88f41d977c3c4982b67789f4e272fa88
sha512
02b5b9475120041f4d27c081def8d53832b5d60ebb54911ecab800933a1af3dd91d05b55e6920a8f121d22e509b39f54ee17eb788a9b1629d8b2de1e60ffa54f
ripemd-160
4721ad563d753a55add5eece6065526c0bc69c3d
Diameter
40907370
Circumference
128514293.06968
Area
1.3142954342225E+15
Volume
3.5842913078032E+22
Surface area
5.2571817368898E+15
Circumference
128514293.06968
Perimeter
81814740
Area
418353230079225
Diagonal
28925878.727507
Surface area
2510119380475350
Volume
8.556865186773E+21
Space diagonal
35426821.622009
Perimeter
61361055
Area
1.8115226250194E+14
Altitude
17713410.811005
Surface area
1.8115226250194E+14
Volume
1.008436233211E+21
Height
9641959.5758357