20347531 is an odd 8-digits composite number following 20347530
and preceding 20347532 . In scientific notation, it is written as 2.0347531 × 10^7.
The sum of its digits is 25. It has a total of 3 prime factors and 8 positive divisors.
There are 19592160 positive integers (up to 20347531) that are relatively prime to 20347531.
20347531 has 8 divisors, whose sum is 21106800
The reverse of 20347531 is 13574302
Previous prime number is 491
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 25
Digital Root 7
Name
twenty million three hundred forty-seven thousand five hundred thirty-one
Scientific notation
2.0347531 × 10^7
Engineering notation
2.0347531 × 10^6
Prime Factorization
29 × 491 × 1429
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
20347531
Product of the distinct prime numbers
The prime factorization of 20347531 is 29 × 491 × 1429.
Since it has a total of 3 prime factors.
8 , 2 , 69 , 25 , 633 , 463 , 9110 , 6142 , 8572 , 85243 , 627287 , 370867 , 9829028 , 5238632 , 51323890 , 61674955 , 358057304 , 686710407 , 6701384765 , 6057602266
n×2
40695062
n×3
61042593
n×4
81390124
n×5
101737655
n÷2
10173765.5
n÷3
6782510.3333333
n÷3
5086882.75
n÷5
4069506.2
n2
414022017795961
n3
8.4243258417859E+21
n4
1.7141423121984E+29
n5
3.4878563835868E+36
2 √n
4510.8237606894
3 √n
273.00498230966
4 √n
67.162666420336
5 √n
28.953584901358
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
-20347530
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 20347531 can be divided by 8 positive divisors.
The sum of these divisors (counting 20347531) is 1, the average is 0.125.
Base
System
Value
2
Binary
1001101100111101010001011
3
Ternary
1102021202120021
4
Quaternary
1031213222023
5
Quinary
20202110111
6
Senary
2004041311
8
Octal
115475213
10
Decimal
20347531
12
Duodecimal
6993237
16
Hexadecimal
1367a8b
20
Vigesimal
6738gb
36
Base36
c4497
md5
0dd6a52a93e771aa09d0047f4fb23877
sha1
35e5ca425e4a1d5fbc7c44c155e7651ec4fa95fa
sha256
5e29aaf4d2bf1d83f304d3aad5436233fd3589e780f366a0f47543222a1779c9
sha512
072ab7e99f18440e232c6ced6573a95f9e55fdd4cf6b823d5d8497134e251764ec8541e2efd91cc791e73c80727ba27ab15cb105034587949930dda23fb9d242
ripemd-160
c47fe5cc0bfc45373e9cf727654a47b62640d75a
Diameter
40695062
Circumference
127847307.81658
Area
1.3006885295322E+15
Volume
3.5287733568002E+22
Surface area
5.2027541181289E+15
Circumference
127847307.81658
Perimeter
81390124
Area
414022017795961
Diagonal
28775754.301007
Surface area
2484132106775766
Volume
8.4243258417859E+21
Space diagonal
35242957.500583
Perimeter
61042593
Area
1.792767925687E+14
Altitude
17621478.750291
Surface area
1.792767925687E+14
Volume
9.9281632160864E+20
Height
9591918.1003357