20003897 is an odd 8-digits composite number following 20003896
and preceding 20003898 . In scientific notation, it is written as 2.0003897 × 10^7.
The sum of its digits is 29. It has a total of 3 prime factors and 8 positive divisors.
There are 19202400 positive integers (up to 20003897) that are relatively prime to 20003897.
20003897 has 8 divisors, whose sum is 20815872
The reverse of 20003897 is 79830002
Previous prime number is 31
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 29
Digital Root 2
Name
twenty million three thousand eight hundred ninety-seven
Scientific notation
2.0003897 × 10^7
Engineering notation
2.0003897 × 10^6
Prime Factorization
127 × 31 × 5081
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
20003897
Product of the distinct prime numbers
The prime factorization of 20003897 is 127 × 31 × 5081.
Since it has a total of 3 prime factors.
7 , 8 , 95 , 16 , 270 , 280 , 2999 , 3951 , 42729 , 46678 , 387548 , 211243 , 6589566 , 2986865 , 66844026 , 17586727 , 657001345 , 929264868 , 9275867235 , 775556812
n×2
40007794
n×3
60011691
n×4
80015588
n×5
100019485
n÷2
10001948.5
n÷3
6667965.6666667
n÷3
5000974.25
n÷5
4000779.4
n2
400155895186609
n3
8.0046773112557E+21
n4
1.601247404526E+29
n5
3.2031188151655E+36
2 √n
4472.5716316231
3 √n
271.45939065696
4 √n
66.877287860851
5 √n
28.855122470822
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
-20003896
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 20003897 can be divided by 8 positive divisors.
The sum of these divisors (counting 20003897) is 1, the average is 0.125.
Base
System
Value
2
Binary
1001100010011110000111001
3
Ternary
1101122022012002
4
Quaternary
1030103300321
5
Quinary
20110111042
6
Senary
1552430345
8
Octal
114236071
10
Decimal
20003897
12
Duodecimal
68483b5
16
Hexadecimal
1313c39
20
Vigesimal
6509eh
36
Base36
bwr3t
md5
3e045da1d0f385b27649c1880b72fa8d
sha1
6c8bdd470bfdb8148c67e5c43e4e9e5fd78a7d03
sha256
8d0783c5965e019a17f60d58b6ee05f0694bfb42f030aafb06987ddeeae401a8
sha512
bbe8fd65a5c805bfa686044dc734abaac6fc7fdb5a659161181024e74be5989b3a719c1a909f750056636cdba9f8219cfb1e42258baf7cd122ded0749b6a23f4
ripemd-160
b936b2c9f89b81d0ba2ee6ba96dd3729815344d7
Diameter
40007794
Circumference
125688191.71673
Area
1.2571268206089E+15
Volume
3.3529913913864E+22
Surface area
5.0285072824356E+15
Circumference
125688191.71673
Perimeter
80015588
Area
400155895186609
Diagonal
28289782.437714
Surface area
2400935371119654
Volume
8.0046773112557E+21
Space diagonal
34647765.953375
Perimeter
60011691
Area
1.7327258535285E+14
Altitude
17323882.976687
Surface area
1.7327258535285E+14
Volume
9.4336026799984E+20
Height
9429927.4792382