31381256 is an even 8-digits composite number following 31381255
and preceding 31381257 . In scientific notation, it is written as 3.1381256 × 10^7.
The sum of its digits is 29. It has a total of 4 prime factors and 8 positive divisors.
There are 15690624 positive integers (up to 31381256) that are relatively prime to 31381256.
31381256 has 8 divisors, whose sum is 58839870
The reverse of 31381256 is 65218313
Previous prime number is 2
Is Prime? no
Number parity even
Number length 8
Sum of Digits 29
Digital Root 2
Name
thirty-one million three hundred eighty-one thousand two hundred fifty-six
Scientific notation
3.1381256 × 10^7
Engineering notation
3.1381256 × 10^6
Prime Factorization
2 × 2 × 2 × 3922657
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
7845314
Product of the distinct prime numbers
The prime factorization of 31381256 is 2 × 2 × 2 × 3922657.
Since it has a total of 4 prime factors.
9 , 2 , 29 , 6 , 97 , 864 , 7655 , 2232 , 98241 , 9692 , 458549 , 281137 , 5622014 , 4705919 , 80574660 , 52990774 , 960465062 , 439533931 , 6293347448 , 4817520087
n×2
62762512
n×3
94143768
n×4
125525024
n×5
156906280
n÷2
15690628
n÷3
10460418.666667
n÷3
7845314
n÷5
6276251.2
n2
984783228137536
n3
3.090373458669E+22
n4
9.6979800642099E+29
n5
3.0433479507787E+37
2 √n
5601.897535657
3 √n
315.42063901884
4 √n
74.845825105058
5 √n
31.574324231373
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
-31381255
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 31381256 can be divided by 8 positive divisors.
The sum of these divisors (counting 31381256) is 1, the average is 0.125.
Base
System
Value
2
Binary
1110111101101011100001000
3
Ternary
2012001022222202
4
Quaternary
1313231130020
5
Quinary
31013200011
6
Senary
3040335332
8
Octal
167553410
10
Decimal
31381256
12
Duodecimal
a614548
16
Hexadecimal
1ded708
20
Vigesimal
9g2d2g
36
Base36
iolxk
md5
695072d012153d243f6b329526ab6648
sha1
9f94d1f6d64d45a73c80b070c193ed00f09e2da1
sha256
0241c79f5156c33afb6255f75e961011b997c608f11ed4f1a4696f8b6fee1f26
sha512
4793f267efd0823276df015ce1dd4df1a472e592fa72a096793b1be505e7593974ce1fe56bd462f8ed7be451e998eccf92f45499b9721146051944ce4fffe15c
ripemd-160
9e5e435e4141a020509f9a7cb438548b7ffbbc69
Diameter
62762512
Circumference
197174246.62004
Area
3.0937877548953E+15
Volume
1.2944926072805E+23
Surface area
1.2375151019581E+16
Circumference
197174246.62004
Perimeter
125525024
Area
984783228137536
Diagonal
44379797.839502
Surface area
5908699368825216
Volume
3.090373458669E+22
Space diagonal
54353929.797326
Perimeter
94143768
Area
4.2642364639398E+14
Altitude
27176964.898663
Surface area
4.2642364639398E+14
Volume
3.642040048373E+21
Height
14793265.946501