31490109 is an odd 8-digits composite number following 31490108
and preceding 31490110 . In scientific notation, it is written as 3.1490109 × 10^7.
The sum of its digits is 27. It has a total of 4 prime factors and 16 positive divisors.
There are 17652960 positive integers (up to 31490109) that are relatively prime to 31490109.
31490109 has 16 divisors, whose sum is 40746240
The reverse of 31490109 is 90109413
Previous prime number is 53
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 27
Digital Root 9
Name
thirty-one million four hundred ninety thousand one hundred nine
Scientific notation
3.1490109 × 10^7
Engineering notation
3.1490109 × 10^6
Prime Factorization
7 × 9 × 53 × 9431
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
31490109
Product of the distinct prime numbers
The prime factorization of 31490109 is 7 × 9 × 53 × 9431.
Since it has a total of 4 prime factors.
3 , 7 , 10 , 88 , 867 , 694 , 4268 , 4996 , 31793 , 69298 , 857728 , 999610 , 2176518 , 8332791 , 84074353 , 31019375 , 395079121 , 202699395 , 5602641067 , 9962055091
n×2
62980218
n×3
94470327
n×4
125960436
n×5
157450545
n÷2
15745054.5
n÷3
10496703
n÷3
7872527.25
n÷5
6298021.8
n2
991626964831881
n3
3.1226441209895E+22
n4
9.8332403738169E+29
n5
3.0964981119469E+37
2 √n
5611.6048506644
3 √n
315.78492080717
4 √n
74.910645776581
5 √n
31.596198442313
1 , 7 , 9 , 53 , 63 , 371 , 477 , 3339 , 9431 , 66017 , 84879 , 499843 , 594153 , 3498901 , 4498587 , 31490109
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
-31490108
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 31490109 can be divided by 16 positive divisors.
The sum of these divisors (counting 31490109) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1111000001000000000111101
3
Ternary
2012020212022100
4
Quaternary
1320020000331
5
Quinary
31030140414
6
Senary
3042535313
8
Octal
170100075
10
Decimal
31490109
12
Duodecimal
a667539
16
Hexadecimal
1e0803d
20
Vigesimal
9gg559
36
Base36
iqxx9
md5
36768cb019001e174d0e45e70cf11ba2
sha1
c6ef5659b086ae009cc3dbb0c4474e7b16e853d3
sha256
7d149a1fdf6fb37be7e7a5e2dafe431a55d81151fc792e52497945b631058f4d
sha512
efb38d89be707e75c544768873f5b7e44c35d159474900e62d5bd930e5f11e6707fd48471c4bde16f37f9b74daee8681e597ae840347c42d58a3c39517a69ca5
ripemd-160
44e94552bd25f46d66fd163cb8bfa2ed3b8ec76b
Diameter
62980218
Circumference
197858190.19028
Area
3.1152879878174E+15
Volume
1.3080101107035E+23
Surface area
1.246115195127E+16
Circumference
197858190.19028
Perimeter
125960436
Area
991626964831881
Diagonal
44533739.228407
Surface area
5949761788991286
Volume
3.1226441209895E+22
Space diagonal
54542468.723882
Perimeter
94470327
Area
4.2938707131103E+14
Altitude
27271234.361941
Surface area
4.2938707131103E+14
Volume
3.68007138864E+21
Height
14844579.742802