31006728 is an even 8-digits composite number following 31006727
and preceding 31006729 . In scientific notation, it is written as 3.1006728 × 10^7.
The sum of its digits is 27. It has a total of 5 prime factors and 16 positive divisors.
There are 10335552 positive integers (up to 31006728) that are relatively prime to 31006728.
31006728 has 16 divisors, whose sum is 64597500
The reverse of 31006728 is 82760013
Previous prime number is 9
Is Prime? no
Number parity even
Number length 8
Sum of Digits 27
Digital Root 9
Name
thirty-one million six thousand seven hundred twenty-eight
Scientific notation
3.1006728 × 10^7
Engineering notation
3.1006728 × 10^6
Prime Factorization
2 × 2 × 2 × 9 × 430649
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
7751682
Product of the distinct prime numbers
The prime factorization of 31006728 is 2 × 2 × 2 × 9 × 430649.
Since it has a total of 5 prime factors.
5 , 10 , 2 , 96 , 614 , 489 , 410 , 2737 , 92910 , 42565 , 778706 , 973418 , 9397985 , 8117950 , 38032268 , 1016620 , 872873433 , 104697224 , 5717276729 , 6010937698
n×2
62013456
n×3
93020184
n×4
124026912
n×5
155033640
n÷2
15503364
n÷3
10335576
n÷3
7751682
n÷5
6201345.6
n2
961417181265984
n3
2.9810401034041E+22
n4
9.2432299643343E+29
n5
2.8660231734556E+37
2 √n
5568.3685222873
3 √n
314.16078962646
4 √n
74.621501742375
5 √n
31.498595395926
1 , 2 , 4 , 8 , 9 , 18 , 36 , 72 , 430649 , 861298 , 1722596 , 3445192 , 3875841 , 7751682 , 15503364 , 31006728
16 divisors
τ
Total Divisors
16
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-31006727
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.0625
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
16
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 31006728 can be divided by 16 positive divisors.
The sum of these divisors (counting 31006728) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1110110010010000000001000
3
Ternary
2011100022020100
4
Quaternary
1312102000020
5
Quinary
30414203403
6
Senary
3024325400
8
Octal
166220010
10
Decimal
31006728
12
Duodecimal
a473860
16
Hexadecimal
1d92008
20
Vigesimal
9dfgg8
36
Base36
igky0
md5
9a9fcff292570e3f73dcdcaed27ddb65
sha1
399827ebf852eaf1db0a2044452216cb847ebc6f
sha256
bf0e969a79c7b2b6532aea331957f1405c4c1fb85f79663a9fb207f94252aa6d
sha512
d765b27b4ed88879ddfea939341bd62d785d6dd58004c8a41a44cf9add03929c724f8c7cbda3ab3f8df3d8839f9a798b10d4aae7b495fe9b64c6800880d03a54
ripemd-160
00f477c7f3d6af746da6b8bdb6fd2900f2861fe5
Diameter
62013456
Circumference
194821017.79331
Area
3.0203811537002E+15
Volume
1.2486951585215E+23
Surface area
1.2081524614801E+16
Circumference
194821017.79331
Perimeter
124026912
Area
961417181265984
Diagonal
43850135.262414
Surface area
5768503087595904
Volume
2.9810401034041E+22
Space diagonal
53705228.272469
Perimeter
93020184
Area
4.1630585130559E+14
Altitude
26852614.136234
Surface area
4.1630585130559E+14
Volume
3.5131894535102E+21
Height
14616711.754138