31191490 is an even 8-digits composite number following 31191489
and preceding 31191491 . In scientific notation, it is written as 3.1191490 × 10^7.
The sum of its digits is 28. It has a total of 5 prime factors and 32 positive divisors.
There are 11228160 positive integers (up to 31191490) that are relatively prime to 31191490.
31191490 has 32 divisors, whose sum is 61865856
The reverse of 31191490 is 09419113
Previous prime number is 103
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 four hundred ninety
Scientific notation
3.1191490 × 10^7
Engineering notation
3.1191490 × 10^6
Prime Factorization
2 × 11 × 5 × 103 × 2753
Composite number
ω
Distinct Factors
5
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
31191490
Product of the distinct prime numbers
The prime factorization of 31191490 is 2 × 11 × 5 × 103 × 2753.
Since it has a total of 5 prime factors.
6 , 10 , 82 , 7 , 634 , 912 , 6211 , 9885 , 11377 , 77391 , 641121 , 152663 , 284550 , 4571691 , 35476885 , 57965182 , 510373388 , 690530574 , 9920323324 , 1387233174
n×2
62382980
n×3
93574470
n×4
124765960
n×5
155957450
n÷2
15595745
n÷3
10397163.333333
n÷3
7797872.5
n÷5
6238298
n2
972909048420100
n3
3.0346482854705E+22
n4
9.465520164977E+29
n5
2.9524367757068E+37
2 √n
5584.934198359
3 √n
314.78355837657
4 √n
74.732417319119
5 √n
31.536044826014
1 , 2 , 5 , 10 , 11 , 22 , 55 , 103 , 110 , 206 , 515 , 1030 , 1133 , 2266 , 2753 , 5506 , 5665 , 11330 , 13765 , 27530 , 30283 , 60566 , 151415 , 283559 , 302830 , 567118 , 1417795 , 2835590 , 3119149 , 6238298 , 15595745 , 31191490
32 divisors
τ
Total Divisors
32
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-31191489
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.03125
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
32
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 31191490 can be divided by 32 positive divisors.
The sum of these divisors (counting 31191490) is 1, the average is 0.03125.
Base
System
Value
2
Binary
1110110111111000111000010
3
Ternary
2011200200200101
4
Quaternary
1312333013002
5
Quinary
30441111430
6
Senary
3032313014
8
Octal
166770702
10
Decimal
31191490
12
Duodecimal
a54276a
16
Hexadecimal
1dbf1c2
20
Vigesimal
9eiiea
36
Base36
ikjia
md5
dd4bfe476008145519ef7f7ed65902d8
sha1
e89c02dcd9f18aa2559a8670bfa33874dd26ccf9
sha256
c38269311a80b7ba4830478cc6219a1687c8477fa9b24c5c9d28ac2320460061
sha512
4f426a412089161603a410466212bab83bbe838818754da33cc06d59f76eca20c6cf34abceff58de3b10d2da8d432c65d7765b92e5377c3141e3a02554bc6a02
ripemd-160
0342829e5641a452b5a434dadea194338cb97c4f
Diameter
62382980
Circumference
195981911.67704
Area
3.0564839191276E+15
Volume
1.2711505013151E+23
Surface area
1.222593567651E+16
Circumference
195981911.67704
Perimeter
124765960
Area
972909048420100
Diagonal
44111428.188625
Surface area
5837454290520600
Volume
3.0346482854705E+22
Space diagonal
54025245.443777
Perimeter
93574470
Area
4.2128197575178E+14
Altitude
27012622.721888
Surface area
4.2128197575178E+14
Volume
3.5763673019539E+21
Height
14703809.396208