31497842 is an even 8-digits composite number following 31497841
and preceding 31497843 . In scientific notation, it is written as 3.1497842 × 10^7.
The sum of its digits is 38. It has a total of 2 prime factors and 4 positive divisors.
There are 15748920 positive integers (up to 31497842) that are relatively prime to 31497842.
31497842 has 4 divisors, whose sum is 47246766
The reverse of 31497842 is 24879413
Previous prime number is 2
Is Prime? no
Number parity even
Number length 8
Sum of Digits 38
Digital Root 2
Name
thirty-one million four hundred ninety-seven thousand eight hundred forty-two
Scientific notation
3.1497842 × 10^7
Engineering notation
3.1497842 × 10^6
Prime Factorization
2 × 15748921
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
31497842
Product of the distinct prime numbers
The prime factorization of 31497842 is 2 × 15748921.
Since it has a total of 2 prime factors.
5 , 1 , 25 , 44 , 734 , 407 , 2457 , 9980 , 46133 , 23304 , 499010 , 925679 , 8979526 , 779971 , 86270951 , 84103378 , 545138562 , 427949888 , 1676757621 , 1785168438
n×2
62995684
n×3
94493526
n×4
125991368
n×5
157489210
n÷2
15748921
n÷3
10499280.666667
n÷3
7874460.5
n÷5
6299568.4
n2
992114050656964
n3
3.1249451613573E+22
n4
9.8429028951097E+29
n5
3.1003020021151E+37
2 √n
5612.2938269481
3 √n
315.81076770541
4 √n
74.915244289451
5 √n
31.597750100364
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
-31497841
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 31497842 can be divided by 4 positive divisors.
The sum of these divisors (counting 31497842) is 1, the average is 0.25.
Base
System
Value
2
Binary
1111000001001111001110010
3
Ternary
2012021020220202
4
Quaternary
1320021321302
5
Quinary
31030412332
6
Senary
3043035202
8
Octal
170117162
10
Decimal
31497842
12
Duodecimal
a66bb02
16
Hexadecimal
1e09e72
20
Vigesimal
9gh4c2
36
Base36
ir3w2
md5
33a593fd6af52ef6a0e021210ca0ca6d
sha1
461b6f965ee5887037585d477eeae3ff8d698f87
sha256
633af9333a51f4272c9e58640bac817ae3877c40d062a3f5c380f5a440dc59b7
sha512
7f51efd45c973d3c7e1986367da50e22cc4b6d532c2f5f87d477b3c9c9ebf1786c6bab7dfcd44e243091ed169cff29ad77e35b937a821f50a73916640c0bad53
ripemd-160
d069144eea29236dca981cd2a8d51df4709eae0b
Diameter
62995684
Circumference
197906778.06226
Area
3.1168182130671E+15
Volume
1.3089739682388E+23
Surface area
1.2467272852269E+16
Circumference
197906778.06226
Perimeter
125991368
Area
992114050656964
Diagonal
44544675.341885
Surface area
5952684303941784
Volume
3.1249451613573E+22
Space diagonal
54555862.672777
Perimeter
94493526
Area
4.2959798566021E+14
Altitude
27277931.336388
Surface area
4.2959798566021E+14
Volume
3.6827831907197E+21
Height
14848225.113962