31486739 is an odd 8-digits prime number following 31486738
and preceding 31486740 . In scientific notation, it is written as 3.1486739 × 10^7.
The sum of its digits is 41. It has a total of 1 prime factors and 2 positive divisors.
There are 31486738 positive integers (up to 31486739) that are relatively prime to 31486739.
31486739 has 2 divisors, whose sum is 31486740
The reverse of 31486739 is 93768413
Previous prime number is 1
Is Prime? yes Number parity odd Number length 8 Sum of Digits 41 Digital Root 5
Name
thirty-one million four hundred eighty-six thousand seven hundred thirty-nine
Scientific notation
3.1486739 × 10^7
Engineering notation
3.1486739 × 10^6
Prime Factorization
31486739
Composite number
ω Distinct Factors
1 Total number of distinct prime factors
Ω Total Factors
1 Total number of prime factors
rad Radical
31486739 Product of the distinct prime numbers
The prime factorization of 31486739 is 31486739.
Since it has a total of 1 prime factors.
5 , 8 , 59 , 65 , 309 , 96 , 6995 , 5450 , 19006 , 84956 , 497523 , 343595 , 609686 , 6090512 , 90289626 , 85580109 , 624325552 , 11459162 , 5203419780 , 4705151580
n×2
62973478
n×3
94460217
n×4
125946956
n×5
157433695
n÷2
15743369.5
n÷3
10495579.666667
n÷3
7871684.75
n÷5
6297347.8
n2
991414732854121
n3
3.1216416934132E+22
n4
9.8290317252021E+29
n5
3.0948415655416E+37
2 √n5611.3045720224
3 √n315.77365554344
4 √n74.908641504318
5 √n31.595522142672
2 divisors
τ Total Divisors
2 Total number of the positive divisors of n
σ Sum of Divisors
31486740 Sum of all the positive divisors of n
s Aliquot Sum
1 Sum of the proper positive divisors of n
A Arithmetic Mean
15743370 Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G Geometric Mean
5611.3046611283 Returns the nth root of the product of n divisors
H Harmonic Mean
1.9999999364812 Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 31486739 can be divided by 2 positive divisors.
The sum of these divisors (counting 31486739) is 31486740, the average is 15743370.
Base
System
Value
2
Binary
1111000000111001100010011
3
Ternary
2012020200200112
4
Quaternary
1320013030103
5
Quinary
31030033424
6
Senary
3042511535
8
Octal
170071423
10
Decimal
31486739
12
Duodecimal
a6655ab
16
Hexadecimal
1e07313
20
Vigesimal
9gfggj
36
Base36
iqvbn
md5
1bde65db45b02ed46dab42cdc80193f0
sha1
5385dae5c12ccbe1048faa4885603f10bf33cae9
sha256
0b1e55e2be584dff065e97d4a7ba60d635374aa09f048ed3e4d3975825ced39d
sha512
1277b6265d761ca2691ac6fd03b47e7856ee8f96d99834ce5315d59f548dce705f7a1beb476e0bc0f934adffd6b68696b3b3914ad2bda8d12fc1a87e23d09784
ripemd-160
0f68b32cd967fd979f3e805ff401ca94a36f013d
Diameter
62973478
Circumference
197837015.8558
Area
3.1146212413952E+15
Volume
1.3075902148222E+23
Surface area
1.2458484965581E+16
Circumference
197837015.8558
Perimeter
125946956
Area
991414732854121
Diagonal
44528973.328702
Surface area
5948488397124726
Volume
3.1216416934132E+22
Space diagonal
54536631.71266
Perimeter
94460217
Area
4.2929517216892E+14
Altitude
27268315.85633
Surface area
4.2929517216892E+14
Volume
3.6788900164119E+21
Height
14842991.109567