31347985 is an odd 8-digits composite number following 31347984
and preceding 31347986 . In scientific notation, it is written as 3.1347985 × 10^7.
The sum of its digits is 40. It has a total of 4 prime factors and 16 positive divisors.
There are 23618560 positive integers (up to 31347985) that are relatively prime to 31347985.
31347985 has 16 divisors, whose sum is 39871440
The reverse of 31347985 is 58974313
Previous prime number is 29
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 40
Digital Root 4
Name
thirty-one million three hundred forty-seven thousand nine hundred eighty-five
Scientific notation
3.1347985 × 10^7
Engineering notation
3.1347985 × 10^6
Prime Factorization
5 × 41 × 29 × 5273
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
31347985
Product of the distinct prime numbers
The prime factorization of 31347985 is 5 × 41 × 29 × 5273.
Since it has a total of 4 prime factors.
7 , 10 , 62 , 23 , 750 , 649 , 6969 , 3905 , 82908 , 38526 , 766066 , 221013 , 6794446 , 3432966 , 15696602 , 45608639 , 197571829 , 536560072 , 7162457924 , 8363308065
n×2
62695970
n×3
94043955
n×4
125391940
n×5
156739925
n÷2
15673992.5
n÷3
10449328.333333
n÷3
7836996.25
n÷5
6269597
n2
982696163560225
n3
3.0805544594843E+22
n4
9.6569174987598E+29
n5
3.0272490489736E+37
2 √n
5598.9271293704
3 √n
315.30912796227
4 √n
74.825978973685
5 √n
31.567626251324
1 , 5 , 29 , 41 , 145 , 205 , 1189 , 5273 , 5945 , 26365 , 152917 , 216193 , 764585 , 1080965 , 6269597 , 31347985
16 divisors
τ
Total Divisors
16
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-31347984
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.0625
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
16
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 31347985 can be divided by 16 positive divisors.
The sum of these divisors (counting 31347985) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1110111100101010100010001
3
Ternary
2011222122100111
4
Quaternary
1313211110101
5
Quinary
31011113420
6
Senary
3035521321
8
Octal
167452421
10
Decimal
31347985
12
Duodecimal
a5b9241
16
Hexadecimal
1de5511
20
Vigesimal
9fi9j5
36
Base36
inw9d
md5
04417b740f6318dc21d9a64a2e906c33
sha1
2ff5dae82cc9fb671abebf01e86b2a1281813592
sha256
adfce1bf597fcfbbcff330296ef5f09015bc58090390bcce06d0ea48734d78f3
sha512
c41deba8af271fb67ceb69909bc3da9fcb7a98f433b232a4c6178e055864b86582fa879f0da9a7312ffac510b660c358457ab858ed98f7b772c73eb9e1b87a43
ripemd-160
5ae995182fbd2faac92669b7c5ee6842230054b0
Diameter
62695970
Circumference
196965198.76169
Area
3.0872310481517E+15
Volume
1.2903796345199E+23
Surface area
1.2348924192607E+16
Circumference
196965198.76169
Perimeter
125391940
Area
982696163560225
Diagonal
44332745.540068
Surface area
5896176981361350
Volume
3.0805544594843E+22
Space diagonal
54296302.734907
Perimeter
94043955
Area
4.2551992092233E+14
Altitude
27148151.367454
Surface area
4.2551992092233E+14
Volume
3.6304682468597E+21
Height
14777581.846689