31887941 is an odd 8-digits prime number following 31887940
and preceding 31887942 . In scientific notation, it is written as 3.1887941 × 10^7.
The sum of its digits is 41. It has a total of 1 prime factors and 2 positive divisors.
There are 31887940 positive integers (up to 31887941) that are relatively prime to 31887941.
31887941 has 2 divisors, whose sum is 31887942
The reverse of 31887941 is 14978813
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 eight hundred eighty-seven thousand nine hundred forty-one
Scientific notation
3.1887941 × 10^7
Engineering notation
3.1887941 × 10^6
Prime Factorization
31887941
Composite number
ω Distinct Factors
1 Total number of distinct prime factors
Ω Total Factors
1 Total number of prime factors
rad Radical
31887941 Product of the distinct prime numbers
The prime factorization of 31887941 is 31887941.
Since it has a total of 1 prime factors.
1 , 6 , 9 , 77 , 884 , 764 , 5120 , 9135 , 61533 , 995 , 772157 , 798258 , 1707431 , 5547359 , 91141917 , 33413209 , 550965535 , 798261491 , 6884460696 , 8404636105
n×2
63775882
n×3
95663823
n×4
127551764
n×5
159439705
n÷2
15943970.5
n÷3
10629313.666667
n÷3
7971985.25
n÷5
6377588.2
n2
1016840781219481
n3
3.2424958837921E+22
n4
1.033965174351E+30
n5
3.2971020475761E+37
2 √n5646.9408532408
3 √n317.10918827202
4 √n75.146129995102
5 √n31.675632493799
2 divisors
τ Total Divisors
2 Total number of the positive divisors of n
σ Sum of Divisors
31887942 Sum of all the positive divisors of n
s Aliquot Sum
1 Sum of the proper positive divisors of n
A Arithmetic Mean
15943971 Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G Geometric Mean
5646.9409417843 Returns the nth root of the product of n divisors
H Harmonic Mean
1.9999999372804 Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 31887941 can be divided by 2 positive divisors.
The sum of these divisors (counting 31887941) is 31887942, the average is 15943971.
Base
System
Value
2
Binary
1111001101001001001000101
3
Ternary
2020000002000212
4
Quaternary
1321221021011
5
Quinary
31130403231
6
Senary
3055245205
8
Octal
171511105
10
Decimal
31887941
12
Duodecimal
a819805
16
Hexadecimal
1e69245
20
Vigesimal
9j5jh1
36
Base36
izgw5
md5
7c2ff1200e06942ac4771e081c43b6a2
sha1
abd5db89109c76f3aa70ac62e01575e197f0692f
sha256
89643ff025f4340e6a34afad25f803463a36232a5ee2fe54ed48e124b0cde841
sha512
08cc85f0bc42b9bcfb2f15c21612ffd714aee5fd6af3402b79ca9dc11a618bfbaf6d102ec146eb415e37f77b5a69fdbf65e849ceca7a8e8e05a45a03a9746b36
ripemd-160
07da5141c927b70d2ec8d0115c55e2fa6c6cff1c
Diameter
63775882
Circumference
200357842.36741
Area
3.1944995281496E+15
Volume
1.3582134997088E+23
Surface area
1.2777998112599E+16
Circumference
200357842.36741
Perimeter
127551764
Area
1016840781219481
Diagonal
45096358.638353
Surface area
6101044687316886
Volume
3.2424958837921E+22
Space diagonal
55231533.960759
Perimeter
95663823
Area
4.4030497407004E+14
Altitude
27615766.980379
Surface area
4.4030497407004E+14
Volume
3.8213180456647E+21
Height
15032119.546118