7138918985 is an odd 10-digits composite number following 7138918984
and preceding 7138918986 . In scientific notation, it is written as 7.138918985 × 10^9.
The sum of its digits is 59. It has a total of 3 prime factors and 8 positive divisors.
There are 5191941040 positive integers (up to 7138918985) that are relatively prime to 7138918985.
7138918985 has 8 divisors, whose sum is 9345494016
The reverse of 7138918985 is 5898198317
Previous prime number is 5
Is Prime? no
Number parity odd
Number length 10
Sum of Digits 59
Digital Root 5
Name
seven billion one hundred thirty-eight million nine hundred eighteen thousand nine hundred eighty-five
Scientific notation
7.138918985 × 10^9
Engineering notation
7.138918985 × 10^9
Prime Factorization
11 × 5 × 129798527
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
7138918985
Product of the distinct prime numbers
The prime factorization of 7138918985 is 11 × 5 × 129798527.
Since it has a total of 3 prime factors.
8 , 9 , 27 , 23 , 675 , 742 , 4343 , 7922 , 5313 , 90041 , 64538 , 887544 , 1760289 , 1074167 , 45091871 , 9901053 , 738342336 , 619633018 , 892109794 , 4165640468
n×2
14277837970
n×3
21416756955
n×4
28555675940
n×5
35694594925
n÷2
3569459492.5
n÷3
2379639661.6667
n÷3
1784729746.25
n÷5
1427783797
n2
5.0964164274393E+19
n3
3.6382903989313E+29
n4
2.5973460401874E+39
n5
1.8542242956908E+49
2 √n
84492.12380453
3 √n
1925.5027851796
4 √n
290.67528929121
5 √n
93.481676126776
8 divisors
τ
Total Divisors
8
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-7138918984
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.125
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
8
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 7138918985 can be divided by 8 positive divisors.
The sum of these divisors (counting 7138918985) is 1, the average is 0.125.
Base
System
Value
2
Binary
110101001100000110100001001001001
3
Ternary
200102112010122210212
4
Quaternary
12221200310021021
5
Quinary
104110030401420
6
Senary
3140215450505
8
Octal
65140641111
10
Decimal
7138918985
12
Duodecimal
1472986a35
16
Hexadecimal
1a9834249
20
Vigesimal
5bai4h95
36
Base36
3a2bt55
md5
2769cffd52114246bea386d255bdb8a8
sha1
6c4076164b2c28ff2d7f79fb6af0ed680c172430
sha256
4c5d2c726e13dcb62659575bac2f7c699bd8b50993e77c2021af45d26e3cd872
sha512
e8ef1cb51a6b499f28d03987c5aabf58b1c7c53d2e9400f9d39398445fe88ff3ef2bab9d857169e0802c617c5854d6111da313aea795c11f95468f3d125ac775
ripemd-160
68ad11a8942b835ba76b2030146c2a129e3e1c16
Diameter
14277837970
Circumference
44855150875.697
Area
1.6010864408078E+20
Volume
1.5240035185212E+30
Surface area
6.4043457632311E+20
Circumference
44855150875.697
Perimeter
28555675940
Area
5.0964164274393E+19
Diagonal
10095956049.27
Surface area
3.0578498564636E+20
Volume
3.6382903989313E+29
Space diagonal
12364970393.138
Perimeter
21416756955
Area
2.2068130472134E+19
Altitude
6182485196.569
Surface area
2.2068130472134E+19
Volume
4.287766355017E+28
Height
3365318683.0899