31490139 is an odd 8-digits composite number following 31490138
and preceding 31490140 . In scientific notation, it is written as 3.1490139 × 10^7.
The sum of its digits is 30. It has a total of 2 prime factors and 4 positive divisors.
There are 20993424 positive integers (up to 31490139) that are relatively prime to 31490139.
31490139 has 4 divisors, whose sum is 41986856
The reverse of 31490139 is 93109413
Previous prime number is 3
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 30
Digital Root 3
Name
thirty-one million four hundred ninety thousand one hundred thirty-nine
Scientific notation
3.1490139 × 10^7
Engineering notation
3.1490139 × 10^6
Prime Factorization
3 × 10496713
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
31490139
Product of the distinct prime numbers
The prime factorization of 31490139 is 3 × 10496713.
Since it has a total of 2 prime factors.
2 , 9 , 50 , 68 , 588 , 316 , 7019 , 1395 , 89692 , 32696 , 444474 , 907012 , 5483295 , 1817370 , 42745526 , 84957396 , 772433735 , 933911026 , 9820404610 , 6598191248
n×2
62980278
n×3
94470417
n×4
125960556
n×5
157450695
n÷2
15745069.5
n÷3
10496713
n÷3
7872534.75
n÷5
6298027.8
n2
991628854239321
n3
3.1226530456407E+22
n4
9.8332778455999E+29
n5
3.0965128618356E+37
2 √n
5611.6075236959
3 √n
315.7850210878
4 √n
74.910663618045
5 √n
31.596204462525
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
-31490138
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 31490139 can be divided by 4 positive divisors.
The sum of these divisors (counting 31490139) is 1, the average is 0.25.
Base
System
Value
2
Binary
1111000001000000001011011
3
Ternary
2012020212100110
4
Quaternary
1320020001123
5
Quinary
31030141024
6
Senary
3042535403
8
Octal
170100133
10
Decimal
31490139
12
Duodecimal
a667563
16
Hexadecimal
1e0805b
20
Vigesimal
9gg56j
36
Base36
iqxy3
md5
f8f0e619809db2dee52784210a29b1c0
sha1
1e014f0f18857e895ae9933a7aab8935803193c3
sha256
7583a6cb4378e6101103502b7718f7dedf0711380cc77cbd50679581ea9057b3
sha512
53fae67e67749282663b65c80461838934afb175810057411500c09c5884ce13ff26b4dd37ee1ba2242cf8a595e2ffd52a2369faff4299c9bbcbca3da63f5425
ripemd-160
4ab69b97d9c7708774d28809a739cd203410478e
Diameter
62980278
Circumference
197858378.68584
Area
3.1152939235659E+15
Volume
1.3080138490526E+23
Surface area
1.2461175694264E+16
Circumference
197858378.68584
Perimeter
125960556
Area
991628854239321
Diagonal
44533781.654814
Surface area
5949773125435926
Volume
3.1226530456407E+22
Space diagonal
54542520.685406
Perimeter
94470417
Area
4.2938788944845E+14
Altitude
27271260.342703
Surface area
4.2938788944845E+14
Volume
3.6800819064423E+21
Height
14844593.884938