31431493 is an odd 8-digits composite number following 31431492
and preceding 31431494 . In scientific notation, it is written as 3.1431493 × 10^7.
The sum of its digits is 28. It has a total of 2 prime factors and 4 positive divisors.
There are 31033548 positive integers (up to 31431493) that are relatively prime to 31431493.
31431493 has 4 divisors, whose sum is 31829440
The reverse of 31431493 is 39413413
Previous prime number is 79
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 28
Digital Root 1
Name
thirty-one million four hundred thirty-one thousand four hundred ninety-three
Scientific notation
3.1431493 × 10^7
Engineering notation
3.1431493 × 10^6
Prime Factorization
79 × 397867
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
31431493
Product of the distinct prime numbers
The prime factorization of 31431493 is 79 × 397867.
Since it has a total of 2 prime factors.
2 , 9 , 79 , 37 , 817 , 711 , 9191 , 1143 , 17584 , 3758 , 987262 , 168413 , 3030801 , 7871501 , 98538205 , 40126904 , 135440528 , 438802018 , 1203098811 , 9839073830
n×2
62862986
n×3
94294479
n×4
125725972
n×5
157157465
n÷2
15715746.5
n÷3
10477164.333333
n÷3
7857873.25
n÷5
6286298.6
n2
987938752209049
n3
3.1052389974487E+22
n4
9.7602297811637E+29
n5
3.0677859404504E+37
2 √n
5606.3796696264
3 √n
315.58886405234
4 √n
74.875761562914
5 √n
31.584426979253
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
-31431492
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 31431493 can be divided by 4 positive divisors.
The sum of these divisors (counting 31431493) is 1, the average is 0.25.
Base
System
Value
2
Binary
1110111111001101101000101
3
Ternary
2012010212220101
4
Quaternary
1313321231011
5
Quinary
31021301433
6
Senary
3041404101
8
Octal
167715505
10
Decimal
31431493
12
Duodecimal
a639631
16
Hexadecimal
1df9b45
20
Vigesimal
9g8ied
36
Base36
ipop1
md5
8f4f5397268b140adbca668a9ab42e7d
sha1
f4cbab337ca6fc0e8e212cd35ee6d9b92f0c0bb6
sha256
19aae5745825f6beb65b3aba33ae4d25324d21609b7dcaa206be828ffb5b2271
sha512
cc1ed625b7fe46a87534e2a9eea9991e86376bb8c7df5320b6ca2fdb3e6b9632eb0ee3a35028b3acedfc6f7726b145206a275b1e013412d7e346547d06c981af
ripemd-160
e9a53e5ac80160029bf1e325358a2fd9b974246f
Diameter
62862986
Circumference
197489895.00032
Area
3.1037011261366E+15
Volume
1.3007194696034E+23
Surface area
1.2414804504546E+16
Circumference
197489895.00032
Perimeter
125725972
Area
987938752209049
Diagonal
44450843.686235
Surface area
5927632513254294
Volume
3.1052389974487E+22
Space diagonal
54440942.833746
Perimeter
94294479
Area
4.2779002839807E+14
Altitude
27220471.416873
Surface area
4.2779002839807E+14
Volume
3.6595592538349E+21
Height
14816947.895412