28939971 (number)

28939971 is an odd 8-digits composite number following 28939970 and preceding 28939972. In scientific notation, it is written as 2.8939971 × 10^7. The sum of its digits is 48. It has a total of 3 prime factors and 8 positive divisors. There are 19280552 positive integers (up to 28939971) that are relatively prime to 28939971.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.8939971 × 10^7
Engineering notation 2.8939971 × 10^6

Prime Factorization of 28939971

Prime Factorization 3 × 2459 × 3923

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 28939971
Product of the distinct prime numbers

The prime factorization of 28939971 is 3 × 2459 × 3923. Since it has a total of 3 prime factors.

Most popular turbo-numbers

1, 9, 87, 27, 502, 513, 2204, 4142, 30003, 67440, 576062, 387174, 8554534, 8782653, 64393035, 37847188, 11264246, 230304957, 3960360542, 4765160482

Basic calculations (n = 28939971)

Multiplication

n×y
n×2 57879942
n×3 86819913
n×4 115759884
n×5 144699855

Division

n÷y
n÷2 14469985.5
n÷3 9646657
n÷3 7234992.75
n÷5 5787994.2

Exponentiation

ny
n2 837521921480841
n3 2.423786011952E+22
n4 7.0144296896096E+29
n5 2.0299739179884E+37

Nth Root

y√n
2√n 5379.5883671523
3√n 307.01954980244
4√n 73.345677221989
5√n 31.067021524442

Divisors of 28939971

1, 3, 2459, 3923, 7377, 11769, 9646657, 28939971

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 -28939970
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 28939971 can be divided by 8 positive divisors. The sum of these divisors (counting 28939971) is 1, the average is 0.125.

Base conversion 28939971

Base System Value
2 Binary 1101110011001011011000011
3 Ternary 2000110022011210
4 Quaternary 1232121123003
5 Quinary 24402034341
6 Senary 2512141203
8 Octal 156313303
10 Decimal 28939971
12 Duodecimal 9837803
16 Hexadecimal 1b996c3
20 Vigesimal 90h9ib
36 Base36 h8a83

Cryptographic Hash Functions

md5 03b7b65058f1740c76300e7a6d7519ba
sha1 963d683e2d60eb18d714491cb12c1bad4d671f2f
sha256 184cd73d1bc0227611a4993d6c2e00365b40c9a2653aa0e80955541bfaa3a712
sha512 ad920b909629e9e390acdf70fc5f3187d95bed8717cb307612bf7fd44abb15dcb97ff22e9dd005fee9a6e8e6dfd44f6c63e0bace0e7373ce1ddef9c24e80b77d
ripemd-160 b097d88510eff556fe135189bf47a7639dc42078

28939971 as geometric shapes

Circle

Radius = n
Diameter 57879942
Circumference 181835200.5774
Area 2.6311527157446E+15

Sphere

Radius = n
Volume 1.0152731105363E+23
Surface area 1.0524610862978E+16
Circumference 181835200.5774

Square

Length = n
Perimeter 115759884
Area 837521921480841
Diagonal 40927299.482884

Cube

Length = n
Surface area 5025131528885046
Volume 2.423786011952E+22
Space diagonal 50125500.14157

Equilateral Triangle

Length = n
Perimeter 86819913
Area 3.6265763011438E+14
Altitude 25062750.070785

Triangular Pyramid

Length = n
Surface area 3.6265763011438E+14
Volume 2.8564592086606E+21
Height 13642433.160961