31991483 is an odd 8-digits prime number following 31991482
and preceding 31991484 . In scientific notation, it is written as 3.1991483 × 10^7.
The sum of its digits is 38. It has a total of 1 prime factors and 2 positive divisors.
There are 31991482 positive integers (up to 31991483) that are relatively prime to 31991483.
31991483 has 2 divisors, whose sum is 31991484
The reverse of 31991483 is 38419913
Previous prime number is 1
Is Prime? yes Number parity odd Number length 8 Sum of Digits 38 Digital Root 2
Name
thirty-one million nine hundred ninety-one thousand four hundred eighty-three
Scientific notation
3.1991483 × 10^7
Engineering notation
3.1991483 × 10^6
Prime Factorization
31991483
Composite number
ω Distinct Factors
1 Total number of distinct prime factors
Ω Total Factors
1 Total number of prime factors
rad Radical
31991483 Product of the distinct prime numbers
The prime factorization of 31991483 is 31991483.
Since it has a total of 1 prime factors.
1 , 8 , 20 , 7 , 82 , 420 , 8991 , 9699 , 40184 , 52485 , 695551 , 660670 , 1135699 , 6070338 , 14907914 , 58571100 , 295713619 , 529508377 , 7734264650 , 3361093735
n×2
63982966
n×3
95974449
n×4
127965932
n×5
159957415
n÷2
15995741.5
n÷3
10663827.666667
n÷3
7997870.75
n÷5
6398296.6
n2
1023454984539289
n3
3.2741842739154E+22
n4
1.0474601053783E+30
n5
3.3509802154389E+37
2 √n5656.1013958379
3 √n317.45204144696
4 √n75.207056822069
5 √n31.696176352643
2 divisors
τ Total Divisors
2 Total number of the positive divisors of n
σ Sum of Divisors
31991484 Sum of all the positive divisors of n
s Aliquot Sum
1 Sum of the proper positive divisors of n
A Arithmetic Mean
15995742 Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G Geometric Mean
5656.1014842381 Returns the nth root of the product of n divisors
H Harmonic Mean
1.9999999374834 Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 31991483 can be divided by 2 positive divisors.
The sum of these divisors (counting 31991483) is 31991484, the average is 15995742.
Base
System
Value
2
Binary
1111010000010011010111011
3
Ternary
2020012100001202
4
Quaternary
1322002122323
5
Quinary
31142211413
6
Senary
3101404415
8
Octal
172023273
10
Decimal
31991483
12
Duodecimal
a86970b
16
Hexadecimal
1e826bb
20
Vigesimal
9jiie3
36
Base36
j1osb
md5
25d6bbfc24a8e7a49383dd81b33cd145
sha1
bb7d67ca5f5f6704013437adaa94ef8e16102d85
sha256
0af4a43386c390f1f0737e8908d0689675b047c013b95ee4aaf59ce76cfeef3a
sha512
4dd59051611529af673473fd535cc26b9ea4a0c0c6c750eddebc1ff851047474a3dca7cb7d011b18497d30516199f4274664613c148a791981581130cb172ac6
ripemd-160
124149477d21c2f4c985257193771f5336165d89
Diameter
63982966
Circumference
201008415.94049
Area
3.2152786607085E+15
Volume
1.3714871015242E+23
Surface area
1.2861114642834E+16
Circumference
201008415.94049
Perimeter
127965932
Area
1023454984539289
Diagonal
45242789.139028
Surface area
6140729907235734
Volume
3.2741842739154E+22
Space diagonal
55410873.965476
Perimeter
95974449
Area
4.4316900812042E+14
Altitude
27705436.982738
Surface area
4.4316900812042E+14
Volume
3.8586631715665E+21
Height
15080929.713009