7138728 is an even 7-digits composite number following 7138727
and preceding 7138729 . In scientific notation, it is written as 7.138728 × 10^6.
The sum of its digits is 36. It has a total of 5 prime factors and 16 positive divisors.
There are 2379552 positive integers (up to 7138728) that are relatively prime to 7138728.
7138728 has 16 divisors, whose sum is 14872500
The reverse of 7138728 is 8278317
Previous prime number is 9
Is Prime? no
Number parity even
Number length 7
Sum of Digits 36
Digital Root 9
Name
seven million one hundred thirty-eight thousand seven hundred twenty-eight
Scientific notation
7.138728 × 10^6
Engineering notation
7.138728 × 10^6
Prime Factorization
2 × 2 × 2 × 9 × 99149
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
1784682
Product of the distinct prime numbers
The prime factorization of 7138728 is 2 × 2 × 2 × 9 × 99149.
Since it has a total of 5 prime factors.
1 , 10 , 21 , 37 , 580 , 168 , 4886 , 8839 , 14172 , 75287 , 14433 , 878678 , 2544967 , 1287551 , 50228676 , 21740703 , 111675023 , 267352976 , 140281925 , 3219331557
n×2
14277456
n×3
21416184
n×4
28554912
n×5
35693640
n÷2
3569364
n÷3
2379576
n÷3
1784682
n÷5
1427745.6
n2
50961437457984
n3
3.6379984050156E+20
n4
2.597068107784E+27
n5
1.8539762818945E+34
2 √n
2671.8398155578
3 √n
192.54856142592
4 √n
51.689842479522
5 √n
23.481409745759
1 , 2 , 4 , 8 , 9 , 18 , 36 , 72 , 99149 , 198298 , 396596 , 793192 , 892341 , 1784682 , 3569364 , 7138728
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
-7138727
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 7138728 can be divided by 16 positive divisors.
The sum of these divisors (counting 7138728) is 1, the average is 0.0625.
Base
System
Value
2
Binary
11011001110110110101000
3
Ternary
111102200111100
4
Quaternary
123032312220
5
Quinary
3311414403
6
Senary
413001400
8
Octal
33166650
10
Decimal
7138728
12
Duodecimal
2483260
16
Hexadecimal
6ceda8
20
Vigesimal
24c6g8
36
Base36
490a0
md5
8e9eaa324c2dc84e352a541302b88cbc
sha1
b01a715e4d31b92a9b65fb1f68689142439cc292
sha256
30c321814e47a2c30ac46f7663b037acd2a949fb60f1f1c3a49252c8da676a90
sha512
6c5b782235ff041528dfb73aaf0c767e6bb9d7a85614919685b9183b8fcf4b005bd151cb00e4db6ea47963de5240f3b5f11d8bc3e551837d1174a5fa15a49756
ripemd-160
af8e40280b61f2f75de820cbc141defb17bf9aa1
Diameter
14277456
Circumference
44853950.881552
Area
1.6010007753438E+14
Volume
1.5238812083958E+21
Surface area
6.4040031013751E+14
Circumference
44853950.881552
Perimeter
28554912
Area
50961437457984
Diagonal
10095685.955693
Surface area
305768624747904
Volume
3.6379984050156E+20
Space diagonal
12364639.597415
Perimeter
21416184
Area
22066949725993
Altitude
6182319.7987073
Surface area
22066949725993
Volume
4.2874222368873E+19
Height
3365228.6518975