20478215 is an odd 8-digits composite number following 20478214
and preceding 20478216 . In scientific notation, it is written as 2.0478215 × 10^7.
The sum of its digits is 29. It has a total of 3 prime factors and 8 positive divisors.
There are 16137792 positive integers (up to 20478215) that are relatively prime to 20478215.
20478215 has 8 divisors, whose sum is 24941040
The reverse of 20478215 is 51287402
Previous prime number is 67
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 29
Digital Root 2
Name
twenty million four hundred seventy-eight thousand two hundred fifteen
Scientific notation
2.0478215 × 10^7
Engineering notation
2.0478215 × 10^6
Prime Factorization
5 × 67 × 61129
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
20478215
Product of the distinct prime numbers
The prime factorization of 20478215 is 5 × 67 × 61129.
Since it has a total of 3 prime factors.
10 , 1 , 86 , 38 , 199 , 456 , 6649 , 3704 , 48908 , 89253 , 483577 , 69190 , 3830246 , 7348539 , 50859503 , 39475060 , 481962265 , 608477239 , 9676889771 , 9746900542
n×2
40956430
n×3
61434645
n×4
81912860
n×5
102391075
n÷2
10239107.5
n÷3
6826071.6666667
n÷3
5119553.75
n÷5
4095643
n2
419357289586225
n3
8.587688737964E+21
n4
1.758605363291E+29
n5
3.6013098729627E+36
2 √n
4525.2861787958
3 √n
273.58820252101
4 √n
67.270247351974
5 √n
28.990681165543
8 divisors
τ
Total Divisors
8
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20478214
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.125
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
8
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20478215 can be divided by 8 positive divisors.
The sum of these divisors (counting 20478215) is 1, the average is 0.125.
Base
System
Value
2
Binary
1001110000111100100000111
3
Ternary
1102112101211102
4
Quaternary
1032013210013
5
Quinary
20220300330
6
Senary
2010530315
8
Octal
116074407
10
Decimal
20478215
12
Duodecimal
6a3699b
16
Hexadecimal
1387907
20
Vigesimal
67jfaf
36
Base36
c6x3b
md5
1250e8b1edaf876b759edc5e1649f866
sha1
df9a56b8fd63f0e8bdb5304a6c913642f7ac54b2
sha256
4d594f856d11a3454495d04ed5ea69459732b67b6bbfeea565a84f43017fe9a1
sha512
3db19fb136da674e5dce925a50145c5647855f70df20fbbd47a3105b007bcaea1769cf2aac23eacd47f0bf1c502aa8a002aebc932e3f1a4e3e24d38113663b1f
ripemd-160
b948e3aa79bcce3d5aefa4fefddd46ce756dfc1a
Diameter
40956430
Circumference
128668419.60526
Area
1.3174497801934E+15
Volume
3.5972026467338E+22
Surface area
5.2697991207736E+15
Circumference
128668419.60526
Perimeter
81912860
Area
419357289586225
Diagonal
28960569.386192
Surface area
2516143737517350
Volume
8.587688737964E+21
Space diagonal
35469308.828319
Perimeter
61434645
Area
1.8158703302193E+14
Altitude
17734654.41416
Surface area
1.8158703302193E+14
Volume
1.0120688235556E+21
Height
9653523.1287307