20852491 is an odd 8-digits composite number following 20852490
and preceding 20852492 . In scientific notation, it is written as 2.0852491 × 10^7.
The sum of its digits is 31. It has a total of 2 prime factors and 4 positive divisors.
There are 18345000 positive integers (up to 20852491) that are relatively prime to 20852491.
20852491 has 4 divisors, whose sum is 20913984
The reverse of 20852491 is 19425802
Previous prime number is 341
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 31
Digital Root 4
Name
twenty million eight hundred fifty-two thousand four hundred ninety-one
Scientific notation
2.0852491 × 10^7
Engineering notation
2.0852491 × 10^6
Prime Factorization
341 × 61151
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
20852491
Product of the distinct prime numbers
The prime factorization of 20852491 is 341 × 61151.
Since it has a total of 2 prime factors.
5 , 3 , 58 , 95 , 345 , 915 , 7910 , 8564 , 68612 , 4494 , 549840 , 986461 , 2679902 , 4611165 , 42666823 , 41936389 , 605942781 , 79192640 , 346960770 , 7148486154
n×2
41704982
n×3
62557473
n×4
83409964
n×5
104262455
n÷2
10426245.5
n÷3
6950830.3333333
n÷3
5213122.75
n÷5
4170498.2
n2
434826380905081
n3
9.0672131943858E+21
n4
1.8907398153101E+29
n5
3.9426634982096E+36
2 √n
4566.4527808793
3 √n
275.24492119684
4 √n
67.575533892669
5 √n
29.095886136352
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
-20852490
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 20852491 can be divided by 4 positive divisors.
The sum of these divisors (counting 20852491) is 1, the average is 0.25.
Base
System
Value
2
Binary
1001111100010111100001011
3
Ternary
1110020102020111
4
Quaternary
1033202330023
5
Quinary
20314234431
6
Senary
2022535151
8
Octal
117427413
10
Decimal
20852491
12
Duodecimal
6b974b7
16
Hexadecimal
13e2f0b
20
Vigesimal
6a6b4b
36
Base36
cexvv
md5
6782dc1876025348d3082ced779fa1e4
sha1
d039ef2ed57ac3b36ab50f918018eb06f9949ebf
sha256
f45489c54dbdf99e17ecfa6aaa5576d254cb45029d65b9866487af69dc00324c
sha512
542dec764e09444281828b6f438f38406517be35ecb999b70f1ddfb1b2f5131723d89a82388898dbebb948ae4fb2e79bc3b6dbc029c00e7f1477a656af4a77f0
ripemd-160
d11f154e02f7e37f70e7c3c5756bcfe50c99f007
Diameter
41704982
Circumference
131020065.06929
Area
1.3660473638384E+15
Volume
3.7980653813353E+22
Surface area
5.4641894553538E+15
Circumference
131020065.06929
Perimeter
83409964
Area
434826380905081
Diagonal
29489875.581463
Surface area
2608958285430486
Volume
9.0672131943858E+21
Space diagonal
36117573.876373
Perimeter
62557473
Area
1.8828534604972E+14
Altitude
18058786.938186
Surface area
1.8828534604972E+14
Volume
1.0685813227024E+21
Height
9829958.5271543