31438047 is an odd 8-digits composite number following 31438046
and preceding 31438048 . In scientific notation, it is written as 3.1438047 × 10^7.
The sum of its digits is 30. It has a total of 3 prime factors and 8 positive divisors.
There are 20807640 positive integers (up to 31438047) that are relatively prime to 31438047.
31438047 has 8 divisors, whose sum is 42219520
The reverse of 31438047 is 74083413
Previous prime number is 139
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 30
Digital Root 3
Name
thirty-one million four hundred thirty-eight thousand forty-seven
Scientific notation
3.1438047 × 10^7
Engineering notation
3.1438047 × 10^6
Prime Factorization
3 × 139 × 75391
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
31438047
Product of the distinct prime numbers
The prime factorization of 31438047 is 3 × 139 × 75391.
Since it has a total of 3 prime factors.
4 , 3 , 20 , 65 , 877 , 482 , 3572 , 3005 , 17577 , 37692 , 889291 , 780610 , 419021 , 643149 , 49448997 , 13244130 , 151363386 , 748643208 , 3973317477 , 495098633
n×2
62876094
n×3
94314141
n×4
125752188
n×5
157190235
n÷2
15719023.5
n÷3
10479349
n÷3
7859511.75
n÷5
6287609.4
n2
988350799174209
n3
3.1071818876926E+22
n4
9.768373022283E+29
n5
3.0709857018806E+37
2 √n
5606.9641518383
3 √n
315.61079774019
4 √n
74.879664474664
5 √n
31.585744047272
8 divisors
τ
Total Divisors
8
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-31438046
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.125
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
8
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 31438047 can be divided by 8 positive divisors.
The sum of these divisors (counting 31438047) is 1, the average is 0.125.
Base
System
Value
2
Binary
1110111111011010011011111
3
Ternary
2012011012220010
4
Quaternary
1313323103133
5
Quinary
31022004142
6
Senary
3041454303
8
Octal
167732337
10
Decimal
31438047
12
Duodecimal
a641393
16
Hexadecimal
1dfb4df
20
Vigesimal
9g9f27
36
Base36
iptr3
md5
441b742b1af79c0e122186ec67ea1ea2
sha1
59b04bdc43a453daaa3a6774c45d70d3f1fafb4e
sha256
2d7b184773d43403ceae8256479e739261d179241965659fd373744dd1781241
sha512
33900036a6b3436f097162fe1a82ce1fa6b48b6b0302a25b9a775d8a81276044ad18ab4544522ded995cd087ad819a6cca1a8b6fe120108b9f08897c320553b7
ripemd-160
97bf5f4506f7dc6e5636201e6c49e8339c41f4a8
Diameter
62876094
Circumference
197531074.99682
Area
3.1049956098553E+15
Volume
1.3015333055657E+23
Surface area
1.2419982439421E+16
Circumference
197531074.99682
Perimeter
125752188
Area
988350799174209
Diagonal
44460112.441923
Surface area
5930104795045254
Volume
3.1071818876926E+22
Space diagonal
54452294.694738
Perimeter
94314141
Area
4.2796844996776E+14
Altitude
27226147.347369
Surface area
4.2796844996776E+14
Volume
3.6618489719458E+21
Height
14820037.480641