31409931 is an odd 8-digits composite number following 31409930
and preceding 31409932 . In scientific notation, it is written as 3.1409931 × 10^7.
The sum of its digits is 30. It has a total of 4 prime factors and 16 positive divisors.
There are 16891392 positive integers (up to 31409931) that are relatively prime to 31409931.
31409931 has 16 divisors, whose sum is 48268800
The reverse of 31409931 is 13990413
Previous prime number is 7
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 30
Digital Root 3
Name
thirty-one million four hundred nine thousand nine hundred thirty-one
Scientific notation
3.1409931 × 10^7
Engineering notation
3.1409931 × 10^6
Prime Factorization
3 × 119 × 7 × 12569
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
31409931
Product of the distinct prime numbers
The prime factorization of 31409931 is 3 × 119 × 7 × 12569.
Since it has a total of 4 prime factors.
3 , 7 , 86 , 27 , 789 , 956 , 5096 , 2984 , 64108 , 91782 , 785671 , 279994 , 1896703 , 144488 , 3467348 , 16064203 , 890587025 , 198403179 , 1326889231 , 4088935149
n×2
62819862
n×3
94229793
n×4
125639724
n×5
157049655
n÷2
15704965.5
n÷3
10469977
n÷3
7852482.75
n÷5
6281986.2
n2
986583765424761
n3
3.0988527997712E+22
n4
9.733475261997E+29
n5
3.0572778636953E+37
2 √n
5604.4563518686
3 √n
315.51668290488
4 √n
74.862917067588
5 √n
31.580092407146
1 , 3 , 7 , 21 , 119 , 357 , 833 , 2499 , 12569 , 37707 , 87983 , 263949 , 1495711 , 4487133 , 10469977 , 31409931
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
-31409930
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 31409931 can be divided by 16 positive divisors.
The sum of these divisors (counting 31409931) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1110111110100011100001011
3
Ternary
2012002210022210
4
Quaternary
1313310130023
5
Quinary
31020104211
6
Senary
3041120203
8
Octal
167643413
10
Decimal
31409931
12
Duodecimal
a629063
16
Hexadecimal
1df470b
20
Vigesimal
9g64gb
36
Base36
ip823
md5
ef431095e55fd915da2e77215feae0a0
sha1
3e5268d3381038d3db241084b9ca0e4af4f63ea3
sha256
58aef4bb1ba51dd3f5523b54d5405bdf89e9306539a95187c6874bbe40b81849
sha512
c6e29c77a3e728e5dafaf855aa166fa0cff943718fb5cf2896100c594192d93d74f9a0de6e1d6088c1c71ad85fcdc92fea172849c4b6ad332d89477156fe4522
ripemd-160
ec6f5174d19c08e36c65f10519781a91b6500bf7
Diameter
62819862
Circumference
197354416.95872
Area
3.0994443096094E+15
Volume
1.2980444253756E+23
Surface area
1.2397777238438E+16
Circumference
197354416.95872
Perimeter
125639724
Area
986583765424761
Diagonal
44420350.413403
Surface area
5919502592548566
Volume
3.0988527997712E+22
Space diagonal
54403596.354233
Perimeter
94229793
Area
4.2720330190958E+14
Altitude
27201798.177116
Surface area
4.2720330190958E+14
Volume
3.6520330476952E+21
Height
14806783.471134