7138918981 (number)

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.

Interesting facts

Basic properties

Name

Name seven billion one hundred thirty-eight million nine hundred eighteen thousand nine hundred eighty-one

Notation

Scientific notation 7.138918981 × 10^9
Engineering notation 7.138918981 × 10^9

Prime Factorization of 7138918981

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.

Most popular turbo-numbers

Basic calculations (n = 7138918981)

Multiplication

n×y
n×2 14277837962
n×3 21416756943
n×4 28555675924
n×5 35694594905

Division

n÷y
n÷2 3569459490.5
n÷3 2379639660.3333
n÷3 1784729745.25
n÷5 1427783796.2

Exponentiation

ny
n2 5.0964164217282E+19
n3 3.6382903928156E+29
n4 2.5973460343661E+39
n5 1.8542242904961E+49

Nth Root

y√n
2√n 84492.123780859
3√n 1925.50278482
4√n 290.6752892505
5√n 93.481676116301

Divisors of 7138918981

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 conversion 7138918981

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

Cryptographic Hash Functions

md5 bb7296abf5b6281f913d49a9f412c40c
sha1 b83145730b3d5814be3cb9014bfb18d673be404f
sha256 85a1e4b8a901d86429f6104e2ebac9ab66fed11937db3da9b9553564e753f857
sha512 54271caafab832890f3ac8a19d3da86f8e1d48042ec7d217c89c8415f9e94bc25bafe201533a94bdc27dc80c65c7fc0c1dd3f19a19630b82a6fa5d36b0ae7f57
ripemd-160 df6a64c0923e7d639413779606fe0e02eec972b9

7138918981 as geometric shapes

Circle

Radius = n
Diameter 14277837962
Circumference 44855150850.565
Area 1.6010864390136E+20

Sphere

Radius = n
Volume 1.5240035159594E+30
Surface area 6.4043457560543E+20
Circumference 44855150850.565

Square

Length = n
Perimeter 28555675924
Area 5.0964164217282E+19
Diagonal 10095956043.613

Cube

Length = n
Surface area 3.0578498530369E+20
Volume 3.6382903928156E+29
Space diagonal 12364970386.21

Equilateral Triangle

Length = n
Perimeter 21416756943
Area 2.2068130447404E+19
Altitude 6182485193.1049

Triangular Pyramid

Length = n
Surface area 2.2068130447404E+19
Volume 4.2877663478096E+28
Height 3365318681.2043