31497868 is an even 8-digits composite number following 31497867
and preceding 31497869 . In scientific notation, it is written as 3.1497868 × 10^7.
The sum of its digits is 46. It has a total of 3 prime factors and 6 positive divisors.
There are 15748932 positive integers (up to 31497868) that are relatively prime to 31497868.
31497868 has 6 divisors, whose sum is 55121276
The reverse of 31497868 is 86879413
Previous prime number is 2
Is Prime? no
Number parity even
Number length 8
Sum of Digits 46
Digital Root 1
Name
thirty-one million four hundred ninety-seven thousand eight hundred sixty-eight
Scientific notation
3.1497868 × 10^7
Engineering notation
3.1497868 × 10^6
Prime Factorization
2 × 2 × 7874467
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
15748934
Product of the distinct prime numbers
The prime factorization of 31497868 is 2 × 2 × 7874467.
Since it has a total of 3 prime factors.
10 , 1 , 51 , 39 , 215 , 859 , 4232 , 9118 , 16924 , 21894 , 146331 , 240421 , 1530763 , 568788 , 82607198 , 86120937 , 934203087 , 454234682 , 3360327791 , 7628025043
n×2
62995736
n×3
94493604
n×4
125991472
n×5
157489340
n÷2
15748934
n÷3
10499289.333333
n÷3
7874467
n÷5
6299573.6
n2
992115688545424
n3
3.1249528998533E+22
n4
9.8429353945796E+29
n5
3.10031479791E+37
2 √n
5612.2961432911
3 √n
315.81085460108
4 √n
74.915259749207
5 √n
31.597755316857
6 divisors
τ
Total Divisors
6
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-31497867
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.16666666666667
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
6
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 31497868 can be divided by 6 positive divisors.
The sum of these divisors (counting 31497868) is 1, the average is 0.16666666666667.
Base
System
Value
2
Binary
1111000001001111010001100
3
Ternary
2012021020221201
4
Quaternary
1320021322030
5
Quinary
31030412433
6
Senary
3043035244
8
Octal
170117214
10
Decimal
31497868
12
Duodecimal
a66bb24
16
Hexadecimal
1e09e8c
20
Vigesimal
9gh4d8
36
Base36
ir3ws
md5
252743fc2c93cce24cb1b710518230a4
sha1
6ea9570538af2dcb1da9444dec8a763c31dcb271
sha256
e3a159b3d8b206f3155727c8e099344d36604cfbc39527c3c85bf172fbbced7c
sha512
7badc002fae3e88ee747fd0a152e7aa76172f802cea2d075c676399b2b016bacee29e73d8b1f17bd367035272226398fda6b5396b2e7797d556b89f49a6b4612
ripemd-160
92072f6bd486e451f1499f344d166b444ea9e51b
Diameter
62995736
Circumference
197906941.42508
Area
3.1168233586455E+15
Volume
1.3089772097324E+23
Surface area
1.2467293434582E+16
Circumference
197906941.42508
Perimeter
125991472
Area
992115688545424
Diagonal
44544712.111438
Surface area
5952694131272544
Volume
3.1249528998533E+22
Space diagonal
54555907.706098
Perimeter
94493604
Area
4.2959869488671E+14
Altitude
27277953.853049
Surface area
4.2959869488671E+14
Volume
3.6827923106247E+21
Height
14848237.370479