31431481 is an odd 8-digits prime number following 31431480
and preceding 31431482 . In scientific notation, it is written as 3.1431481 × 10^7.
The sum of its digits is 25. It has a total of 1 prime factors and 2 positive divisors.
There are 31431480 positive integers (up to 31431481) that are relatively prime to 31431481.
31431481 has 2 divisors, whose sum is 31431482
The reverse of 31431481 is 18413413
Previous prime number is 1
Is Prime? yes
Number parity odd
Number length 8
Sum of Digits 25
Digital Root 7
Name
thirty-one million four hundred thirty-one thousand four hundred eighty-one
Scientific notation
3.1431481 × 10^7
Engineering notation
3.1431481 × 10^6
Prime Factorization
31431481
Composite number
ω
Distinct Factors
1
Total number of distinct prime factors
Ω
Total Factors
1
Total number of prime factors
rad
Radical
31431481
Product of the distinct prime numbers
The prime factorization of 31431481 is 31431481.
Since it has a total of 1 prime factors.
7 , 1 , 44 , 78 , 279 , 667 , 4018 , 544 , 30934 , 92870 , 852759 , 920101 , 5184845 , 7485301 , 56449542 , 57191354 , 397570860 , 566010378 , 4239032859 , 3059697250
n×2
62862962
n×3
94294443
n×4
125725924
n×5
157157405
n÷2
15715740.5
n÷3
10477160.333333
n÷3
7857870.25
n÷5
6286296.2
n2
987937997853361
n3
3.1052354408706E+22
n4
9.7602148760251E+29
n5
3.067780084317E+37
2 √n
5606.3785994169
3 √n
315.58882389021
4 √n
74.875754416346
5 √n
31.584424567575
2 divisors
τ
Total Divisors
2
Total number of the positive divisors of n
σ
Sum of Divisors
31431482
Sum of all the positive divisors of n
s
Aliquot Sum
1
Sum of the proper positive divisors of n
A
Arithmetic Mean
15715741
Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G
Geometric Mean
5606.378688601
Returns the nth root of the product of n divisors
H
Harmonic Mean
1.9999999363695
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 31431481 can be divided by 2 positive divisors.
The sum of these divisors (counting 31431481) is 31431482, the average is 15715741.
Base
System
Value
2
Binary
1110111111001101100111001
3
Ternary
2012010212212221
4
Quaternary
1313321230321
5
Quinary
31021301411
6
Senary
3041404041
8
Octal
167715471
10
Decimal
31431481
12
Duodecimal
a639621
16
Hexadecimal
1df9b39
20
Vigesimal
9g8ie1
36
Base36
ipoop
md5
2b0b484a07e950ff141dd381c8d93ebb
sha1
98b762967ff931ba61e5007824774c9f99aa2096
sha256
e66b5830cf612f2d391db595f8f555c421fe24f1882474d9212ed7a3647c770f
sha512
d80c754dd368ce0c45f1a4eaf01b78263a066a06ff47e4cd4cac45f9e291ae1ad31c5d78012b369eec018f476cc8757abfdddc908b81be0859113c6fb77441fd
ripemd-160
54409c9ef497d5f021f3a4d796f90b18434aea18
Diameter
62862962
Circumference
197489819.60209
Area
3.1036987562583E+15
Volume
1.3007179798274E+23
Surface area
1.2414795025033E+16
Circumference
197489819.60209
Perimeter
125725924
Area
987937997853361
Diagonal
44450826.715672
Surface area
5927627987120166
Volume
3.1052354408706E+22
Space diagonal
54440922.049136
Perimeter
94294443
Area
4.2778970175247E+14
Altitude
27220461.024568
Surface area
4.2778970175247E+14
Volume
3.6595550623673E+21
Height
14816942.238557