7156989 is an odd 7-digits composite number following 7156988
and preceding 7156990 . In scientific notation, it is written as 7.156989 × 10^6.
The sum of its digits is 45. It has a total of 4 prime factors and 12 positive divisors.
There are 4089456 positive integers (up to 7156989) that are relatively prime to 7156989.
7156989 has 12 divisors, whose sum is 10549500
The reverse of 7156989 is 9896517
Previous prime number is 49
Is Prime? no
Number parity odd
Number length 7
Sum of Digits 45
Digital Root 9
Name
seven million one hundred fifty-six thousand nine hundred eighty-nine
Scientific notation
7.156989 × 10^6
Engineering notation
7.156989 × 10^6
Prime Factorization
3 × 3 × 49 × 16229
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
2385663
Product of the distinct prime numbers
The prime factorization of 7156989 is 3 × 3 × 49 × 16229.
Since it has a total of 4 prime factors.
8 , 3 , 100 , 65 , 37 , 777 , 9865 , 2104 , 49477 , 85209 , 524586 , 641536 , 3460988 , 3232788 , 83997063 , 60653219 , 754950809 , 206244081 , 8092734247 , 5882397683
n×2
14313978
n×3
21470967
n×4
28627956
n×5
35784945
n÷2
3578494.5
n÷3
2385663
n÷3
1789247.25
n÷5
1431397.8
n2
51222491546121
n3
3.6659880854818E+20
n4
2.6237436401924E+27
n5
1.8778104371677E+34
2 √n
2675.2549411224
3 √n
192.71260257468
4 √n
51.72286671408
5 √n
23.49341064985
1 , 3 , 9 , 49 , 147 , 441 , 16229 , 48687 , 146061 , 795221 , 2385663 , 7156989
12 divisors
τ
Total Divisors
12
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-7156988
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.083333333333333
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
12
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 7156989 can be divided by 12 positive divisors.
The sum of these divisors (counting 7156989) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
11011010011010011111101
3
Ternary
111110121112200
4
Quaternary
123103103331
5
Quinary
3313010424
6
Senary
413222113
8
Octal
33232375
10
Decimal
7156989
12
Duodecimal
2491939
16
Hexadecimal
6d34fd
20
Vigesimal
24ec99
36
Base36
49ed9
md5
a239a8cb8edab3631d6bbeaf39aab0e4
sha1
21298851251064f2afc4c722811f1b11543303df
sha256
4055e233063b032605c01c0e87a68c562495bc4e649c82fcd519d90874ae4836
sha512
469620fd84cd67c40809a77bbab57beabea44095956aab303cd934721fef7608b6ac2e635510a0fb6e7443b9967d1f21366d68ecb5dd50fa5dfe27886edc6d19
ripemd-160
e1105f5aec037c5fc9117adfe1c00fee9a146efa
Diameter
14313978
Circumference
44968688.128446
Area
1.6092020313986E+14
Volume
1.535605498333E+21
Surface area
6.4368081255944E+14
Circumference
44968688.128446
Perimeter
28627956
Area
51222491546121
Diagonal
10121510.909555
Surface area
307334949276726
Volume
3.6659880854818E+20
Space diagonal
12396268.577212
Perimeter
21470967
Area
22179989462037
Altitude
6198134.2886058
Surface area
22179989462037
Volume
4.3204083916555E+19
Height
3373836.9698517