20542831 is an odd 8-digits prime number following 20542830
and preceding 20542832 . In scientific notation, it is written as 2.0542831 × 10^7.
The sum of its digits is 25. It has a total of 1 prime factors and 2 positive divisors.
There are 20542830 positive integers (up to 20542831) that are relatively prime to 20542831.
20542831 has 2 divisors, whose sum is 20542832
The reverse of 20542831 is 13824502
Previous prime number is 1
Is Prime? yes
Number parity odd
Number length 8
Sum of Digits 25
Digital Root 7
Name
twenty million five hundred forty-two thousand eight hundred thirty-one
Scientific notation
2.0542831 × 10^7
Engineering notation
2.0542831 × 10^6
Prime Factorization
20542831
Composite number
ω
Distinct Factors
1
Total number of distinct prime factors
Ω
Total Factors
1
Total number of prime factors
rad
Radical
20542831
Product of the distinct prime numbers
The prime factorization of 20542831 is 20542831.
Since it has a total of 1 prime factors.
10 , 2 , 42 , 8 , 604 , 620 , 8922 , 1528 , 64111 , 8626 , 343928 , 652290 , 6669349 , 6427581 , 41296447 , 54545565 , 307434734 , 441244949 , 6313046035 , 998412382
n×2
41085662
n×3
61628493
n×4
82171324
n×5
102714155
n÷2
10271415.5
n÷3
6847610.3333333
n÷3
5135707.75
n÷5
4108566.2
n2
422007905494561
n3
8.6692370832387E+21
n4
1.7809067229991E+29
n5
3.6584865837334E+36
2 √n
4532.4199937782
3 √n
273.87565619135
4 √n
67.323250023882
5 √n
29.008953285446
2 divisors
τ
Total Divisors
2
Total number of the positive divisors of n
σ
Sum of Divisors
20542832
Sum of all the positive divisors of n
s
Aliquot Sum
1
Sum of the proper positive divisors of n
A
Arithmetic Mean
10271416
Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G
Geometric Mean
4532.4201040945
Returns the nth root of the product of n divisors
H
Harmonic Mean
1.9999999026424
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20542831 can be divided by 2 positive divisors.
The sum of these divisors (counting 20542831) is 20542832, the average is 10271416.
Base
System
Value
2
Binary
1001110010111010101101111
3
Ternary
1102122200110121
4
Quaternary
1032113111233
5
Quinary
20224332311
6
Senary
2012145411
8
Octal
116272557
10
Decimal
20542831
12
Duodecimal
6a68267
16
Hexadecimal
139756f
20
Vigesimal
687h1b
36
Base36
c8ay7
md5
0646531b99505d238705f1ca2a06338c
sha1
280d7818e8a8d982d3e8212824a5d5032595c84a
sha256
a2191949937ad21a9ca887ee9cc96379dcbf83060d71e1cecbe82fe366dc4d30
sha512
1c0abe0cb8172cde438eee28c652b6d778559a70ef67f9748bc005aad049fe3b65cecf9092ea93f5ab854374129e494d470d077b8c69983ce81d61d5124acb26
ripemd-160
f8081c06b51f60613fdf89f6c7eacf0d81f07c43
Diameter
41085662
Circumference
129074413.90707
Area
1.3257769356585E+15
Volume
3.6313615377241E+22
Surface area
5.3031077426341E+15
Circumference
129074413.90707
Perimeter
82171324
Area
422007905494561
Diagonal
29051950.209738
Surface area
2532047432967366
Volume
8.6692370832387E+21
Space diagonal
35581227.023301
Perimeter
61628493
Area
1.8273478337808E+14
Altitude
17790613.51165
Surface area
1.8273478337808E+14
Volume
1.021679388212E+21
Height
9683983.4032462