20218531 is an odd 8-digits prime number following 20218530
and preceding 20218532 . In scientific notation, it is written as 2.0218531 × 10^7.
The sum of its digits is 22. It has a total of 1 prime factors and 2 positive divisors.
There are 20218530 positive integers (up to 20218531) that are relatively prime to 20218531.
20218531 has 2 divisors, whose sum is 20218532
The reverse of 20218531 is 13581202
Previous prime number is 1
Is Prime? yes
Number parity odd
Number length 8
Sum of Digits 22
Digital Root 4
Name
twenty million two hundred eighteen thousand five hundred thirty-one
Scientific notation
2.0218531 × 10^7
Engineering notation
2.0218531 × 10^6
Prime Factorization
20218531
Composite number
ω
Distinct Factors
1
Total number of distinct prime factors
Ω
Total Factors
1
Total number of prime factors
rad
Radical
20218531
Product of the distinct prime numbers
The prime factorization of 20218531 is 20218531.
Since it has a total of 1 prime factors.
9 , 10 , 41 , 54 , 488 , 351 , 7374 , 8746 , 50537 , 64354 , 777151 , 470409 , 2280188 , 9603644 , 98753842 , 74155929 , 71758504 , 597450712 , 2830907065 , 2101113013
n×2
40437062
n×3
60655593
n×4
80874124
n×5
101092655
n÷2
10109265.5
n÷3
6739510.3333333
n÷3
5054632.75
n÷5
4043706.2
n2
408788995797961
n3
8.2651129839999E+21
n4
1.6710844308551E+29
n5
3.378687236886E+36
2 √n
4496.5020849545
3 √n
272.42682320931
4 √n
67.055962337099
5 √n
28.916779252669
2 divisors
τ
Total Divisors
2
Total number of the positive divisors of n
σ
Sum of Divisors
20218532
Sum of all the positive divisors of n
s
Aliquot Sum
1
Sum of the proper positive divisors of n
A
Arithmetic Mean
10109266
Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G
Geometric Mean
4496.502196152
Returns the nth root of the product of n divisors
H
Harmonic Mean
1.9999999010808
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20218531 can be divided by 2 positive divisors.
The sum of these divisors (counting 20218531) is 20218532, the average is 10109266.
Base
System
Value
2
Binary
1001101001000001010100011
3
Ternary
1102001012121111
4
Quaternary
1031020022203
5
Quinary
20133443111
6
Senary
2001204151
8
Octal
115101243
10
Decimal
20218531
12
Duodecimal
6930657
16
Hexadecimal
13482a3
20
Vigesimal
66766b
36
Base36
c1cpv
md5
f5061b3dff4782fb7e6cd21e5c22f34d
sha1
bfd28be631b4dd7431e28dc7cb7490958cc1d8ef
sha256
faf341ab104a74a14a3ee2a637096476d0defa1f977be3984755b744429e29da
sha512
6e45feb2fd0f50f540cd306ef27458a66a7082b1c2c207974c183f30545d750f1fb2b46bd3b4df1e6b5e763aa5c847e9ec93433db1481978095c34d666f0d63e
ripemd-160
ecae3532ad19b1491e533a5eef85cc2d55e0cfdd
Diameter
40437062
Circumference
127036776.91195
Area
1.2842485060672E+15
Volume
3.4620824308832E+22
Surface area
5.1369940242689E+15
Circumference
127036776.91195
Perimeter
80874124
Area
408788995797961
Diagonal
28593320.751461
Surface area
2452733974787766
Volume
8.2651129839999E+21
Space diagonal
35019522.946406
Perimeter
60655593
Area
1.7701082757428E+14
Altitude
17509761.473203
Surface area
1.7701082757428E+14
Volume
9.7405290637656E+20
Height
9531106.9171536