31496985 is an odd 8-digits composite number following 31496984
and preceding 31496986 . In scientific notation, it is written as 3.1496985 × 10^7.
The sum of its digits is 45. It has a total of 5 prime factors and 32 positive divisors.
There are 15275520 positive integers (up to 31496985) that are relatively prime to 31496985.
31496985 has 32 divisors, whose sum is 40803840
The reverse of 31496985 is 58969413
Previous prime number is 131
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 45
Digital Root 9
Name
thirty-one million four hundred ninety-six thousand nine hundred eighty-five
Scientific notation
3.1496985 × 10^7
Engineering notation
3.1496985 × 10^6
Prime Factorization
15 × 9 × 13 × 131 × 137
Composite number
ω
Distinct Factors
5
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
31496985
Product of the distinct prime numbers
The prime factorization of 31496985 is 15 × 9 × 13 × 131 × 137.
Since it has a total of 5 prime factors.
5 , 4 , 71 , 38 , 513 , 154 , 7715 , 3775 , 94624 , 3965 , 911247 , 363686 , 362768 , 1500989 , 84203267 , 44736441 , 82806202 , 235818035 , 6687583055 , 6979433601
n×2
62993970
n×3
94490955
n×4
125987940
n×5
157484925
n÷2
15748492.5
n÷3
10498995
n÷3
7874246.25
n÷5
6299397
n2
992060064090225
n3
3.1246900957749E+22
n4
9.841831707627E+29
n5
3.0998802566765E+37
2 √n
5612.2174761853
3 √n
315.80790346387
4 √n
74.914734706767
5 √n
31.597578154829
1 , 9 , 13 , 15 , 117 , 131 , 135 , 137 , 195 , 1179 , 1233 , 1703 , 1755 , 1781 , 1965 , 2055 , 15327 , 16029 , 17685 , 17947 , 18495 , 25545 , 26715 , 161523 , 229905 , 233311 , 240435 , 269205 , 2099799 , 2422845 , 3499665 , 31496985
32 divisors
τ
Total Divisors
32
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-31496984
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.03125
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
32
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 31496985 can be divided by 32 positive divisors.
The sum of these divisors (counting 31496985) is 1, the average is 0.03125.
Base
System
Value
2
Binary
1111000001001101100011001
3
Ternary
2012021012202000
4
Quaternary
1320021230121
5
Quinary
31030400420
6
Senary
3043031213
8
Octal
170115431
10
Decimal
31496985
12
Duodecimal
a66b509
16
Hexadecimal
1e09b19
20
Vigesimal
9gh295
36
Base36
ir389
md5
8d46374b774f11eb725fb3713ca17b43
sha1
8c825823004e95f6651e0300eb381283632d8cc2
sha256
15ba40d3d89114e01b5a152f219bd0c06de5779f1babc25326fcc6f792fa588a
sha512
cc545af0997b5d60fbcddc6a8f7b2e43822cdbdfb553a4b4c3cd63df29b63730d242e832625fc5483c5639e440d1d1a7154d1c7b81482d3834ffc50622ae78f0
ripemd-160
971e5c2aff4e357a4f595f6524f309229d488681
Diameter
62993970
Circumference
197901393.37246
Area
3.1166486092657E+15
Volume
1.3088671266175E+23
Surface area
1.2466594437063E+16
Circumference
197901393.37246
Perimeter
125987940
Area
992060064090225
Diagonal
44543463.360862
Surface area
5952360384541350
Volume
3.1246900957749E+22
Space diagonal
54554378.305235
Perimeter
94490955
Area
4.2957460879108E+14
Altitude
27277189.152617
Surface area
4.2957460879108E+14
Volume
3.6824825930481E+21
Height
14847821.120287