7138918981 is an odd 10-digits composite number following 7138918980
and preceding 7138918982 . In scientific notation, it is written as 7.138918981 × 10^9.
The sum of its digits is 55. It has a total of 2 prime factors and 4 positive divisors.
There are 7138274764 positive integers (up to 7138918981) that are relatively prime to 7138918981.
7138918981 has 4 divisors, whose sum is 7139563200
The reverse of 7138918981 is 1898198317
Previous prime number is 11279
Is Prime? no
Number parity odd
Number length 10
Sum of Digits 55
Digital Root 1
Name
seven billion one hundred thirty-eight million nine hundred eighteen thousand nine hundred eighty-one
Scientific notation
7.138918981 × 10^9
Engineering notation
7.138918981 × 10^9
Prime Factorization
11279 × 632939
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
7138918981
Product of the distinct prime numbers
The prime factorization of 7138918981 is 11279 × 632939.
Since it has a total of 2 prime factors.
9 , 3 , 43 , 42 , 969 , 598 , 9051 , 3354 , 87433 , 41503 , 14503 , 745751 , 5592069 , 9194278 , 93224529 , 17340904 , 537499689 , 331076496 , 9972194412 , 5547553709
n×2
14277837962
n×3
21416756943
n×4
28555675924
n×5
35694594905
n÷2
3569459490.5
n÷3
2379639660.3333
n÷3
1784729745.25
n÷5
1427783796.2
n2
5.0964164217282E+19
n3
3.6382903928156E+29
n4
2.5973460343661E+39
n5
1.8542242904961E+49
2 √n
84492.123780859
3 √n
1925.50278482
4 √n
290.6752892505
5 √n
93.481676116301
4 divisors
τ
Total Divisors
4
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-7138918980
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.25
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
4
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 7138918981 can be divided by 4 positive divisors.
The sum of these divisors (counting 7138918981) is 1, the average is 0.25.
Base
System
Value
2
Binary
110101001100000110100001001000101
3
Ternary
200102112010122210201
4
Quaternary
12221200310021011
5
Quinary
104110030401411
6
Senary
3140215450501
8
Octal
65140641105
10
Decimal
7138918981
12
Duodecimal
1472986a31
16
Hexadecimal
1a9834245
20
Vigesimal
5bai4h91
36
Base36
3a2bt51
md5
bb7296abf5b6281f913d49a9f412c40c
sha1
b83145730b3d5814be3cb9014bfb18d673be404f
sha256
85a1e4b8a901d86429f6104e2ebac9ab66fed11937db3da9b9553564e753f857
sha512
54271caafab832890f3ac8a19d3da86f8e1d48042ec7d217c89c8415f9e94bc25bafe201533a94bdc27dc80c65c7fc0c1dd3f19a19630b82a6fa5d36b0ae7f57
ripemd-160
df6a64c0923e7d639413779606fe0e02eec972b9
Diameter
14277837962
Circumference
44855150850.565
Area
1.6010864390136E+20
Volume
1.5240035159594E+30
Surface area
6.4043457560543E+20
Circumference
44855150850.565
Perimeter
28555675924
Area
5.0964164217282E+19
Diagonal
10095956043.613
Surface area
3.0578498530369E+20
Volume
3.6382903928156E+29
Space diagonal
12364970386.21
Perimeter
21416756943
Area
2.2068130447404E+19
Altitude
6182485193.1049
Surface area
2.2068130447404E+19
Volume
4.2877663478096E+28
Height
3365318681.2043