31005072 is an even 8-digits composite number following 31005071
and preceding 31005073 . In scientific notation, it is written as 3.1005072 × 10^7.
The sum of its digits is 18. It has a total of 6 prime factors and 20 positive divisors.
There are 8857728 positive integers (up to 31005072) that are relatively prime to 31005072.
31005072 has 20 divisors, whose sum is 60396060
The reverse of 31005072 is 27050013
Previous prime number is 189
Is Prime? no
Number parity even
Number length 8
Sum of Digits 18
Digital Root 9
Name
thirty-one million five thousand seventy-two
Scientific notation
3.1005072 × 10^7
Engineering notation
3.1005072 × 10^6
Prime Factorization
2 × 2 × 2 × 2 × 189 × 10253
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
6
Total number of prime factors
rad
Radical
3875634
Product of the distinct prime numbers
The prime factorization of 31005072 is 2 × 2 × 2 × 2 × 189 × 10253.
Since it has a total of 6 prime factors.
3 , 6 , 60 , 15 , 605 , 450 , 5264 , 6293 , 93478 , 82751 , 961747 , 220828 , 6513047 , 9531562 , 44698247 , 26392330 , 767314229 , 459661421 , 7991595859 , 9883169707
n×2
62010144
n×3
93015216
n×4
124020288
n×5
155025360
n÷2
15502536
n÷3
10335024
n÷3
7751268
n÷5
6201014.4
n2
961314489725184
n3
2.9805624968573E+22
n4
9.2412554815559E+29
n5
2.8652579157604E+37
2 √n
5568.2198232469
3 √n
314.15519665182
4 √n
74.620505380538
5 √n
31.498258934831
1 , 2 , 4 , 8 , 16 , 189 , 378 , 756 , 1512 , 3024 , 10253 , 20506 , 41012 , 82024 , 164048 , 1937817 , 3875634 , 7751268 , 15502536 , 31005072
20 divisors
τ
Total Divisors
20
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-31005071
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.05
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
20
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 31005072 can be divided by 20 positive divisors.
The sum of these divisors (counting 31005072) is 1, the average is 0.05.
Base
System
Value
2
Binary
1110110010001100110010000
3
Ternary
2011100012222000
4
Quaternary
1312101212100
5
Quinary
30414130242
6
Senary
3024314000
8
Octal
166214620
10
Decimal
31005072
12
Duodecimal
a472900
16
Hexadecimal
1d91990
20
Vigesimal
9dfcdc
36
Base36
igjo0
md5
e45c906ed3dddb4f26bab5c30e14b163
sha1
589fef155ade7a3e913988585a783536891137df
sha256
d83aa366a8755a2634b21fa4fc69aeb4d87d6ecc9763410a3f1d43d662ad3af3
sha512
d999229dd589939c16a8cb55b5be30aa4f85aceea81d33c64a3a92551dba8feaf914f7701f75282bb56be963f34fb9c1d258b4173dcbea69651c65426a2ca8c7
ripemd-160
b0ba4f65f4910ead65ffbb64f83728a47cbe369a
Diameter
62010144
Circumference
194810612.83845
Area
3.0200585387101E+15
Volume
1.2484950991589E+23
Surface area
1.208023415484E+16
Circumference
194810612.83845
Perimeter
124020288
Area
961314489725184
Diagonal
43847793.324754
Surface area
5767886938351104
Volume
2.9805624968573E+22
Space diagonal
53702359.996331
Perimeter
93015216
Area
4.1626138456404E+14
Altitude
26851179.998166
Surface area
4.1626138456404E+14
Volume
3.5126265887968E+21
Height
14615931.108251