31191742 is an even 8-digits composite number following 31191741
and preceding 31191743 . In scientific notation, it is written as 3.1191742 × 10^7.
The sum of its digits is 28. It has a total of 2 prime factors and 4 positive divisors.
There are 15595870 positive integers (up to 31191742) that are relatively prime to 31191742.
31191742 has 4 divisors, whose sum is 46787616
The reverse of 31191742 is 24719113
Previous prime number is 2
Is Prime? no
Number parity even
Number length 8
Sum of Digits 28
Digital Root 1
Name
thirty-one million one hundred ninety-one thousand seven hundred forty-two
Scientific notation
3.1191742 × 10^7
Engineering notation
3.1191742 × 10^6
Prime Factorization
2 × 15595871
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
31191742
Product of the distinct prime numbers
The prime factorization of 31191742 is 2 × 15595871.
Since it has a total of 2 prime factors.
3 , 1 , 66 , 91 , 253 , 272 , 9369 , 344 , 7004 , 62956 , 267847 , 333425 , 500497 , 5937480 , 79409851 , 30715998 , 843079179 , 642836338 , 9059202301 , 3778802482
n×2
62383484
n×3
93575226
n×4
124766968
n×5
155958710
n÷2
15595871
n÷3
10397247.333333
n÷3
7797935.5
n÷5
6238348.4
n2
972924768994564
n3
3.0347218379888E+22
n4
9.4658260612313E+29
n5
2.952556043188E+37
2 √n
5584.956759009
3 √n
314.78440609971
4 √n
74.732568261829
5 √n
31.53609578259
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
-31191741
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 31191742 can be divided by 4 positive divisors.
The sum of these divisors (counting 31191742) is 1, the average is 0.25.
Base
System
Value
2
Binary
1110110111111001010111110
3
Ternary
2011200201000201
4
Quaternary
1312333022332
5
Quinary
30441113432
6
Senary
3032314114
8
Octal
166771276
10
Decimal
31191742
12
Duodecimal
a54293a
16
Hexadecimal
1dbf2be
20
Vigesimal
9eij72
36
Base36
ikjpa
md5
609efd08d53a93c1a9d6aeb4b62a1dd7
sha1
dad2dd854bbfe3d782cb3174b3a8cbc0ad9749d6
sha256
0949ed51d3e2942cf02e4ca3b75f1366918e3a357aa685a061d2dc4eca4182cf
sha512
95589824160385511b6113e29207c2a680db4bcc506ae4adc48157e96c07f3d18eba5a543d657ab0e72cf8643b50d7db3339d6a4b132a242d603ce5897f62484
ripemd-160
a19c1de4b2c612cc8092165f9632a8517b29a1a2
Diameter
62383484
Circumference
195983495.03974
Area
3.0565333067689E+15
Volume
1.2711813109219E+23
Surface area
1.2226133227075E+16
Circumference
195983495.03974
Perimeter
124766968
Area
972924768994564
Diagonal
44111784.570442
Surface area
5837548613967384
Volume
3.0347218379888E+22
Space diagonal
54025681.92058
Perimeter
93575226
Area
4.212887829602E+14
Altitude
27012840.96029
Surface area
4.212887829602E+14
Volume
3.576453984428E+21
Height
14703928.190147