7138921978 (number)

7138921978 is an even 10-digits composite number following 7138921977 and preceding 7138921979. In scientific notation, it is written as 7.138921978 × 10^9. The sum of its digits is 55. It has a total of 2 prime factors and 4 positive divisors. There are 3569460988 positive integers (up to 7138921978) that are relatively prime to 7138921978.

Interesting facts

Basic properties

Name

Name seven billion one hundred thirty-eight million nine hundred twenty-one thousand nine hundred seventy-eight

Notation

Scientific notation 7.138921978 × 10^9
Engineering notation 7.138921978 × 10^9

Prime Factorization of 7138921978

Prime Factorization 2 × 3569460989

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 7138921978
Product of the distinct prime numbers

The prime factorization of 7138921978 is 2 × 3569460989. Since it has a total of 2 prime factors.

Most popular turbo-numbers

4, 7, 80, 52, 216, 297, 4306, 4275, 50251, 4308, 2929, 815804, 7336826, 3257849, 29885409, 64126006, 739665851, 13426207, 7610593878, 6946385965

Basic calculations (n = 7138921978)

Multiplication

n×y
n×2 14277843956
n×3 21416765934
n×4 28555687912
n×5 35694609890

Division

n÷y
n÷2 3569460989
n÷3 2379640659.3333
n÷3 1784730494.5
n÷5 1427784395.6

Exponentiation

ny
n2 5.0964207007971E+19
n3 3.6382949750055E+29
n4 2.5973503959514E+39
n5 1.8542281826224E+49

Nth Root

y√n
2√n 84492.141516238
3√n 1925.5030542693
4√n 290.67531975769
5√n 93.481683965235

Divisors of 7138921978

1, 2, 3569460989, 7138921978

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 -7138921977
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 7138921978 can be divided by 4 positive divisors. The sum of these divisors (counting 7138921978) is 1, the average is 0.25.

Base conversion 7138921978

Base System Value
2 Binary 110101001100000110100110111111010
3 Ternary 200102112010210220201
4 Quaternary 12221200310313322
5 Quinary 104110031000403
6 Senary 3140215512414
8 Octal 65140646772
10 Decimal 7138921978
12 Duodecimal 147298870a
16 Hexadecimal 1a9834dfa
20 Vigesimal 5bai54ii
36 Base36 3a2bvga

Cryptographic Hash Functions

md5 7a2d6d6486cfa25ad9544a9bb063b600
sha1 19ab09109c6dd6a12dcf299e476ec922d4edca60
sha256 27fa43933d4cbe983126c3c383b0bc468713807acd0dc4f2d34fd31526fdac0e
sha512 a2b1b86858d8d47972111e1966183b22041c9d10b00e8cbd8b8f22f4532bc0dc4c74374012e90ac1920dcf9d7a785f460ded902ced40750c4d8ba1e1e41c2eca
ripemd-160 925f830390c4e4a93d5186c2e82e4f21d05677e5

7138921978 as geometric shapes

Circle

Radius = n
Diameter 14277843956
Circumference 44855169681.271
Area 1.6010877833227E+20

Sphere

Radius = n
Volume 1.5240054353427E+30
Surface area 6.4043511332909E+20
Circumference 44855169681.271

Square

Length = n
Perimeter 28555687912
Area 5.0964207007971E+19
Diagonal 10095960282.011

Cube

Length = n
Surface area 3.0578524204783E+20
Volume 3.6382949750055E+29
Space diagonal 12364975577.166

Equilateral Triangle

Length = n
Perimeter 21416765934
Area 2.2068148976316E+19
Altitude 6182487788.5831

Triangular Pyramid

Length = n
Surface area 2.2068148976316E+19
Volume 4.2877717479722E+28
Height 3365320094.0037