20995871 is an odd 8-digits composite number following 20995870
and preceding 20995872 . In scientific notation, it is written as 2.0995871 × 10^7.
The sum of its digits is 41. It has a total of 2 prime factors and 4 positive divisors.
There are 19380792 positive integers (up to 20995871) that are relatively prime to 20995871.
20995871 has 4 divisors, whose sum is 22610952
The reverse of 20995871 is 17859902
Previous prime number is 13
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 41
Digital Root 5
Name
twenty million nine hundred ninety-five thousand eight hundred seventy-one
Scientific notation
2.0995871 × 10^7
Engineering notation
2.0995871 × 10^6
Prime Factorization
13 × 1615067
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
20995871
Product of the distinct prime numbers
The prime factorization of 20995871 is 13 × 1615067.
Since it has a total of 2 prime factors.
6 , 2 , 73 , 53 , 766 , 412 , 5717 , 1092 , 52403 , 96132 , 305985 , 493466 , 8881326 , 249938 , 9286742 , 23449156 , 970402683 , 658068540 , 5676770699 , 1648515877
n×2
41991742
n×3
62987613
n×4
83983484
n×5
104979355
n÷2
10497935.5
n÷3
6998623.6666667
n÷3
5248967.75
n÷5
4199174.2
n2
440826599048641
n3
9.255538406994E+21
n4
1.9432809042879E+29
n5
4.0800875183192E+36
2 √n
4582.1251619745
3 √n
275.87433455143
4 √n
67.691396513697
5 √n
29.135788720373
4 divisors
τ
Total Divisors
4
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20995870
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.25
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
4
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20995871 can be divided by 4 positive divisors.
The sum of these divisors (counting 20995871) is 1, the average is 0.25.
Base
System
Value
2
Binary
1010000000101111100011111
3
Ternary
1110111200220212
4
Quaternary
1100011330133
5
Quinary
20333331441
6
Senary
2030003035
8
Octal
120057437
10
Decimal
20995871
12
Duodecimal
704647b
16
Hexadecimal
1405f1f
20
Vigesimal
6b49db
36
Base36
ci0in
md5
6c0e19d6a21b88b453007c2c54c3099c
sha1
1f5d20781ad52aac8ef1ba07f74137170d5e12aa
sha256
7c9f02c6304bc0654bb28a0c74f74a3df338876209bb440def9e10edc73e9819
sha512
13fc438eb86c0d331a607bc8f78fa25e6ac8eab9d729eaefee65717ec5cff040085411329cb19044fb7b4c5e0bb7251b4f6c10ebb221fd2d1132ccbd1faa33f9
ripemd-160
cb2516e3b2639f93d371480bab9d7175b8f0e40e
Diameter
41991742
Circumference
131920948.17864
Area
1.3848976050782E+15
Volume
3.8769508619241E+22
Surface area
5.5395904203127E+15
Circumference
131920948.17864
Perimeter
83983484
Area
440826599048641
Diagonal
29692645.522036
Surface area
2644959594291846
Volume
9.255538406994E+21
Space diagonal
36365915.321162
Perimeter
62987613
Area
1.9088351672001E+14
Altitude
18182957.660581
Surface area
1.9088351672001E+14
Volume
1.090775661853E+21
Height
9897548.5073453