20851137 is an odd 8-digits composite number following 20851136
and preceding 20851138 . In scientific notation, it is written as 2.0851137 × 10^7.
The sum of its digits is 27. It has a total of 3 prime factors and 8 positive divisors.
There are 13543200 positive integers (up to 20851137) that are relatively prime to 20851137.
20851137 has 8 divisors, whose sum is 21115840
The reverse of 20851137 is 73115802
Previous prime number is 229
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 27
Digital Root 9
Name
twenty million eight hundred fifty-one thousand one hundred thirty-seven
Scientific notation
2.0851137 × 10^7
Engineering notation
2.0851137 × 10^6
Prime Factorization
603 × 229 × 151
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
20851137
Product of the distinct prime numbers
The prime factorization of 20851137 is 603 × 229 × 151.
Since it has a total of 3 prime factors.
8 , 1 , 22 , 16 , 771 , 886 , 6847 , 4765 , 4536 , 31177 , 803710 , 644732 , 27572 , 1639252 , 33542326 , 17266619 , 92956908 , 334408086 , 9559990639 , 2165574362
n×2
41702274
n×3
62553411
n×4
83404548
n×5
104255685
n÷2
10425568.5
n÷3
6950379
n÷3
5212784.25
n÷5
4170227.4
n2
434769914192769
n3
9.0654470443117E+21
n4
1.8902487828719E+29
n5
3.9413836335745E+36
2 √n
4566.3045233536
3 √n
275.23896364018
4 √n
67.574436907411
5 √n
29.095508274033
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
-20851136
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 20851137 can be divided by 8 positive divisors.
The sum of these divisors (counting 20851137) is 1, the average is 0.125.
Base
System
Value
2
Binary
1001111100010100111000001
3
Ternary
1110020100101100
4
Quaternary
1033202213001
5
Quinary
20314214022
6
Senary
2022525013
8
Octal
117424701
10
Decimal
20851137
12
Duodecimal
6b96769
16
Hexadecimal
13e29c1
20
Vigesimal
6a67gh
36
Base36
cewu9
md5
03d78ba14c0231e32a2fa2dd4b2d2c3f
sha1
4a3a811dad7c4d9ada400374af1c09af8138a137
sha256
48a0b36933005fb4f2a29052446e3eff49fef69ea5d0fbd242fd0f5baf79a105
sha512
dd70a5bb8697468b758df6629fd4808fdf7531b78ef675cee8fbbe4fe9376a57d03571e096ece930a28ca6fcd505d461dd269683de7a2b0e56561892735738f3
ripemd-160
5055cfc8b8e7c6bd07290a1acbaa1fa3b71d0d50
Diameter
41702274
Circumference
131011557.63639
Area
1.3658699684299E+15
Volume
3.7973255781222E+22
Surface area
5.4634798737195E+15
Circumference
131011557.63639
Perimeter
83404548
Area
434769914192769
Diagonal
29487960.736299
Surface area
2608619485156614
Volume
9.0654470443117E+21
Space diagonal
36115228.679579
Perimeter
62553411
Area
1.8826089524606E+14
Altitude
18057614.33979
Surface area
1.8826089524606E+14
Volume
1.0683731799201E+21
Height
9829320.2454332