20487974 is an even 8-digits composite number following 20487973
and preceding 20487975 . In scientific notation, it is written as 2.0487974 × 10^7.
The sum of its digits is 41. It has a total of 3 prime factors and 8 positive divisors.
There are 9455976 positive integers (up to 20487974) that are relatively prime to 20487974.
20487974 has 8 divisors, whose sum is 33096000
The reverse of 20487974 is 47978402
Previous prime number is 13
Is Prime? no
Number parity even
Number length 8
Sum of Digits 41
Digital Root 5
Name
twenty million four hundred eighty-seven thousand nine hundred seventy-four
Scientific notation
2.0487974 × 10^7
Engineering notation
2.0487974 × 10^6
Prime Factorization
2 × 13 × 787999
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
20487974
Product of the distinct prime numbers
The prime factorization of 20487974 is 2 × 13 × 787999.
Since it has a total of 3 prime factors.
7 , 7 , 6 , 31 , 219 , 728 , 5960 , 7848 , 6967 , 49213 , 200567 , 118880 , 6700691 , 55812 , 57663702 , 63403294 , 427724528 , 99646745 , 6275384917 , 8608379843
n×2
40975948
n×3
61463922
n×4
81951896
n×5
102439870
n÷2
10243987
n÷3
6829324.6666667
n÷3
5121993.5
n÷5
4097594.8
n2
419757078624676
n3
8.5999721131783E+21
n4
1.7619600505552E+29
n5
3.6098991704814E+36
2 √n
4526.3643247092
3 √n
273.63165558003
4 √n
67.278260416788
5 √n
28.993443770996
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
-20487973
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 20487974 can be divided by 8 positive divisors.
The sum of these divisors (counting 20487974) is 1, the average is 0.125.
Base
System
Value
2
Binary
1001110001001111100100110
3
Ternary
1102112220012212
4
Quaternary
1032021330212
5
Quinary
20221103344
6
Senary
2011043422
8
Octal
116117446
10
Decimal
20487974
12
Duodecimal
6a40572
16
Hexadecimal
1389f26
20
Vigesimal
680jie
36
Base36
c74me
md5
9bcdd120af349da271c09bd8f08f3438
sha1
ecf6f238ffaab856a6694f2eb89a240ffc42872a
sha256
20331191307c2d3fed7cbd8f003d6dc1dbe74103ad1f3555b17446c389b1204b
sha512
4f9f1d86d7ed57e315319201265768910bd8cb887b5b78797bfc5f22419149f5ac07a61976a56b1ebbce4d38e43d07af9a251acc87de3900f4e2a35497f72830
ripemd-160
b57bfecd6a96cd37f6fcc7d5bfc5e311794650ff
Diameter
40975948
Circumference
128729737.21068
Area
1.3187057544996E+15
Volume
3.6023478949117E+22
Surface area
5.2748230179984E+15
Circumference
128729737.21068
Perimeter
81951896
Area
419757078624676
Diagonal
28974370.696347
Surface area
2518542471748056
Volume
8.5999721131783E+21
Space diagonal
35486211.91215
Perimeter
61463922
Area
1.8176014675366E+14
Altitude
17743105.956075
Surface area
1.8176014675366E+14
Volume
1.0135164332073E+21
Height
9658123.5654491