20478972 is an even 8-digits composite number following 20478971
and preceding 20478973 . In scientific notation, it is written as 2.0478972 × 10^7.
The sum of its digits is 39. It has a total of 5 prime factors and 24 positive divisors.
There are 6606000 positive integers (up to 20478972) that are relatively prime to 20478972.
20478972 has 24 divisors, whose sum is 49326592
The reverse of 20478972 is 27987402
Previous prime number is 31
Is Prime? no
Number parity even
Number length 8
Sum of Digits 39
Digital Root 3
Name
twenty million four hundred seventy-eight thousand nine hundred seventy-two
Scientific notation
2.0478972 × 10^7
Engineering notation
2.0478972 × 10^6
Prime Factorization
2 × 2 × 3 × 31 × 55051
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
10239486
Product of the distinct prime numbers
The prime factorization of 20478972 is 2 × 2 × 3 × 31 × 55051.
Since it has a total of 5 prime factors.
3 , 5 , 17 , 60 , 970 , 715 , 5533 , 8902 , 26325 , 91619 , 646232 , 840659 , 8533598 , 7103569 , 42051422 , 28378369 , 122793900 , 404185614 , 7860790388 , 8317123356
n×2
40957944
n×3
61436916
n×4
81915888
n×5
102394860
n÷2
10239486
n÷3
6826324
n÷3
5119743
n÷5
4095794.4
n2
419388294176784
n3
8.5886411335741E+21
n4
1.7588654129251E+29
n5
3.6019755543062E+36
2 √n
4525.3698191419
3 √n
273.59157364357
4 √n
67.27086902324
5 √n
28.99089549693
1 , 2 , 3 , 4 , 6 , 12 , 31 , 62 , 93 , 124 , 186 , 372 , 55051 , 110102 , 165153 , 220204 , 330306 , 660612 , 1706581 , 3413162 , 5119743 , 6826324 , 10239486 , 20478972
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
-20478971
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 20478972 can be divided by 24 positive divisors.
The sum of these divisors (counting 20478972) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
1001110000111101111111100
3
Ternary
1102112102212110
4
Quaternary
1032013233330
5
Quinary
20220311342
6
Senary
2010534020
8
Octal
116075774
10
Decimal
20478972
12
Duodecimal
6a37310
16
Hexadecimal
1387bfc
20
Vigesimal
67jh8c
36
Base36
c6xoc
md5
4d57675a40cea1633369325458ad18e5
sha1
dad9d58c7c8532e84667472e2e7e24b200087ae6
sha256
f9eec581bb473e03c24518a00786027d5a39a5f95a885bb25405778065b56cc7
sha512
a1933899cc1861db1800138cb3ed72b5110df222d722938d475a715d4393f818a45c59879fc3198bdb197b8656c89fe71f7a28486782929e86ce1bf75ca1cbd1
ripemd-160
d37d64b8682f5f886a394b15b5c357fb1d447bc2
Diameter
40957944
Circumference
128673175.97654
Area
1.3175471839873E+15
Volume
3.5976015852741E+22
Surface area
5.2701887359494E+15
Circumference
128673175.97654
Perimeter
81915888
Area
419388294176784
Diagonal
28961639.945859
Surface area
2516329765060704
Volume
8.5886411335741E+21
Space diagonal
35470619.99078
Perimeter
61436916
Area
1.8160045840346E+14
Altitude
17735309.99539
Surface area
1.8160045840346E+14
Volume
1.0121810644547E+21
Height
9653879.981953