31497894 is an even 8-digits composite number following 31497893
and preceding 31497895 . In scientific notation, it is written as 3.1497894 × 10^7.
The sum of its digits is 45. It has a total of 5 prime factors and 24 positive divisors.
There are 10355040 positive integers (up to 31497894) that are relatively prime to 31497894.
31497894 has 24 divisors, whose sum is 69183192
The reverse of 31497894 is 49879413
Previous prime number is 73
Is Prime? no
Number parity even
Number length 8
Sum of Digits 45
Digital Root 9
Name
thirty-one million four hundred ninety-seven thousand eight hundred ninety-four
Scientific notation
3.1497894 × 10^7
Engineering notation
3.1497894 × 10^6
Prime Factorization
2 × 3 × 3 × 73 × 23971
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
10499298
Product of the distinct prime numbers
The prime factorization of 31497894 is 2 × 3 × 3 × 73 × 23971.
Since it has a total of 5 prime factors.
10 , 4 , 42 , 91 , 289 , 453 , 5639 , 6423 , 3773 , 3515 , 468766 , 320183 , 9150521 , 2965178 , 47661769 , 93891717 , 935792217 , 978680813 , 5465838472 , 6373676347
n×2
62995788
n×3
94493682
n×4
125991576
n×5
157489470
n÷2
15748947
n÷3
10499298
n÷3
7874473.5
n÷5
6299578.8
n2
992117326435236
n3
3.124960638362E+22
n4
9.84296789413E+29
n5
3.1003275937471E+37
2 √n
5612.2984596331
3 √n
315.8109414967
4 √n
74.915275208953
5 √n
31.597760533345
1 , 2 , 3 , 6 , 9 , 18 , 73 , 146 , 219 , 438 , 657 , 1314 , 23971 , 47942 , 71913 , 143826 , 215739 , 431478 , 1749883 , 3499766 , 5249649 , 10499298 , 15748947 , 31497894
24 divisors
τ
Total Divisors
24
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-31497893
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.041666666666667
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
24
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 31497894 can be divided by 24 positive divisors.
The sum of these divisors (counting 31497894) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
1111000001001111010100110
3
Ternary
2012021020222200
4
Quaternary
1320021322212
5
Quinary
31030413034
6
Senary
3043035330
8
Octal
170117246
10
Decimal
31497894
12
Duodecimal
a66bb46
16
Hexadecimal
1e09ea6
20
Vigesimal
9gh4ee
36
Base36
ir3xi
md5
725211cae816d69430b6dc42b49fce65
sha1
9f135b9dd4eb30665ab0834d4caef6cf3753bfef
sha256
dc9618b7d343ba460df5d3d5b8b5d2c6ca109153d0e0a9ee3dc0307afb77a9c6
sha512
f79f303528f6687d88e28d3fee2d07dc4a1318d54f1aa224187892553c806e3b1fad75fc821c5cca2149d98b0444d465719dff126588aca979fcde3d399b187d
ripemd-160
46a85237a64f647aaceb8a9cd6649206b93975c9
Diameter
62995788
Circumference
197907104.7879
Area
3.1168285042281E+15
Volume
1.3089804512314E+23
Surface area
1.2467314016912E+16
Circumference
197907104.7879
Perimeter
125991576
Area
992117326435236
Diagonal
44544748.88099
Surface area
5952703958611416
Volume
3.124960638362E+22
Space diagonal
54555952.739419
Perimeter
94493682
Area
4.2959940411381E+14
Altitude
27277976.369709
Surface area
4.2959940411381E+14
Volume
3.6828014305447E+21
Height
14848249.626997