31409986 is an even 8-digits composite number following 31409985
and preceding 31409987 . In scientific notation, it is written as 3.1409986 × 10^7.
The sum of its digits is 40. It has a total of 2 prime factors and 4 positive divisors.
There are 15704992 positive integers (up to 31409986) that are relatively prime to 31409986.
31409986 has 4 divisors, whose sum is 47114982
The reverse of 31409986 is 68990413
Previous prime number is 2
Is Prime? no
Number parity even
Number length 8
Sum of Digits 40
Digital Root 4
Name
thirty-one million four hundred nine thousand nine hundred eighty-six
Scientific notation
3.1409986 × 10^7
Engineering notation
3.1409986 × 10^6
Prime Factorization
2 × 15704993
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
31409986
Product of the distinct prime numbers
The prime factorization of 31409986 is 2 × 15704993.
Since it has a total of 2 prime factors.
10 , 7 , 70 , 35 , 45 , 667 , 6860 , 2251 , 73677 , 68752 , 58397 , 793463 , 715179 , 1566773 , 76150336 , 70389467 , 948531315 , 218192942 , 9379140904 , 1660733376
n×2
62819972
n×3
94229958
n×4
125639944
n×5
157049930
n÷2
15704993
n÷3
10469995.333333
n÷3
7852496.5
n÷5
6281997.2
n2
986587220520196
n3
3.0988690784318E+22
n4
9.7335434369377E+29
n5
3.057304630846E+37
2 √n
5604.461258676
3 √n
315.51686706539
4 √n
74.86294983953
5 √n
31.58010346673
4 divisors
τ
Total Divisors
4
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-31409985
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.25
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
4
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 31409986 can be divided by 4 positive divisors.
The sum of these divisors (counting 31409986) is 1, the average is 0.25.
Base
System
Value
2
Binary
1110111110100011101000010
3
Ternary
2012002210101211
4
Quaternary
1313310131002
5
Quinary
31020104421
6
Senary
3041120334
8
Octal
167643502
10
Decimal
31409986
12
Duodecimal
a6290aa
16
Hexadecimal
1df4742
20
Vigesimal
9g64j6
36
Base36
ip83m
md5
ccac8bdcc1a4858c4475033725e751ba
sha1
6ad7230a3774af2dc19b049e99c7abb1bed53159
sha256
82e962e87696394ea11604f8bfc13906b8b4e58062d34d4fe0c9b4b55bd92b85
sha512
72abc14d75434228c90b84672ae53b1bef20619adca8158547c47f46c7059ad0bcf5fd1641ad8ac5cefde311a6ec9de635a0237043eb8de90230647617b6341e
ripemd-160
f899a747cbbf5e8c36fad8c5278b334bad7bc28b
Diameter
62819972
Circumference
197354762.53392
Area
3.0994551641118E+15
Volume
1.2980512441651E+23
Surface area
1.2397820656447E+16
Circumference
197354762.53392
Perimeter
125639944
Area
986587220520196
Diagonal
44420428.195149
Surface area
5919523323121176
Volume
3.0988690784318E+22
Space diagonal
54403691.617027
Perimeter
94229958
Area
4.2720479800978E+14
Altitude
27201845.808514
Surface area
4.2720479800978E+14
Volume
3.6520522322808E+21
Height
14806809.398383