20855087 is an odd 8-digits composite number following 20855086
and preceding 20855088 . In scientific notation, it is written as 2.0855087 × 10^7.
The sum of its digits is 35. It has a total of 3 prime factors and 8 positive divisors.
There are 18446400 positive integers (up to 20855087) that are relatively prime to 20855087.
20855087 has 8 divisors, whose sum is 23366352
The reverse of 20855087 is 78055802
Previous prime number is 37
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 35
Digital Root 8
Name
twenty million eight hundred fifty-five thousand eighty-seven
Scientific notation
2.0855087 × 10^7
Engineering notation
2.0855087 × 10^6
Prime Factorization
11 × 37 × 51241
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
20855087
Product of the distinct prime numbers
The prime factorization of 20855087 is 11 × 37 × 51241.
Since it has a total of 3 prime factors.
2 , 5 , 95 , 92 , 505 , 560 , 2479 , 2607 , 49879 , 43715 , 539072 , 101039 , 8941895 , 4474139 , 10467643 , 94259520 , 240868936 , 483984142 , 7074431669 , 3095768340
n×2
41710174
n×3
62565261
n×4
83420348
n×5
104275435
n÷2
10427543.5
n÷3
6951695.6666667
n÷3
5213771.75
n÷5
4171017.4
n2
434934653777569
n3
9.0706000438461E+21
n4
1.8916815305661E+29
n5
3.945118289625E+36
2 √n
4566.7370189228
3 √n
275.25634279256
4 √n
67.577636973505
5 √n
29.096610550134
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
-20855086
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 20855087 can be divided by 8 positive divisors.
The sum of these divisors (counting 20855087) is 1, the average is 0.125.
Base
System
Value
2
Binary
1001111100011100100101111
3
Ternary
1110020112210122
4
Quaternary
1033203210233
5
Quinary
20314330322
6
Senary
2022555155
8
Octal
117434457
10
Decimal
20855087
12
Duodecimal
6b98abb
16
Hexadecimal
13e392f
20
Vigesimal
6a6he7
36
Base36
cezvz
md5
09dcf8ae520153c0676e0f771cc0542a
sha1
b7141807ba556eeba6282e5c6e9ccf5b7dfad742
sha256
61d6ae483980495037e929f6960e2e5fb82a658c8517e0720b0fa99e1e021c8f
sha512
ec6c487cbd871eb54361dbfe42ce088d09d7285f203d15247bc22cf3fbd6665a7483eeab3c369d7a6c53c491545b5b3b656c68b8be96830632683b39ac8e7784
ripemd-160
e8ecd517d27d7cc7833246bf6f9f6618830ba302
Diameter
41710174
Circumference
131036376.21835
Area
1.3663875130992E+15
Volume
3.7994840615197E+22
Surface area
5.4655500523969E+15
Circumference
131036376.21835
Perimeter
83420348
Area
434934653777569
Diagonal
29493546.879871
Surface area
2609607922665414
Volume
9.0706000438461E+21
Space diagonal
36122070.280269
Perimeter
62565261
Area
1.8833222957878E+14
Altitude
18061035.140135
Surface area
1.8833222957878E+14
Volume
1.0689804667391E+21
Height
9831182.2932903