28939930 (number)

28939930 is an even 8-digits composite number following 28939929 and preceding 28939931. In scientific notation, it is written as 2.8939930 × 10^7. The sum of its digits is 43. It has a total of 3 prime factors and 8 positive divisors. There are 11575968 positive integers (up to 28939930) that are relatively prime to 28939930.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.8939930 × 10^7
Engineering notation 2.8939930 × 10^6

Prime Factorization of 28939930

Prime Factorization 2 × 5 × 2893993

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 28939930
Product of the distinct prime numbers

The prime factorization of 28939930 is 2 × 5 × 2893993. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 28939930)

Multiplication

n×y
n×2 57879860
n×3 86819790
n×4 115759720
n×5 144699650

Division

n÷y
n÷2 14469965
n÷3 9646643.3333333
n÷3 7234982.5
n÷5 5787986

Exponentiation

ny
n2 837519548404900
n3 2.4237757104469E+22
n4 7.0143899396035E+29
n5 2.0299595384483E+37

Nth Root

y√n
2√n 5379.5845564504
3√n 307.01940481488
4√n 73.3456512443
5√n 31.067012721747

Divisors of 28939930

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 -28939929
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 28939930 can be divided by 8 positive divisors. The sum of these divisors (counting 28939930) is 1, the average is 0.125.

Base conversion 28939930

Base System Value
2 Binary 1101110011001011010011010
3 Ternary 2000110022010021
4 Quaternary 1232121122122
5 Quinary 24402034210
6 Senary 2512141054
8 Octal 156313232
10 Decimal 28939930
12 Duodecimal 983778a
16 Hexadecimal 1b9969a
20 Vigesimal 90h9ga
36 Base36 h8a6y

Cryptographic Hash Functions

md5 748b3ae53f28ef6bdb07f4c079d8bce7
sha1 7aa4114ce2a216b44eecfd7602b02b067b96418b
sha256 f37d97376bbb945cf3f7b0b0a4912a000c71441b6b7cfd4aedc63f595080b374
sha512 f66a75670f2d96f46b6d420939723aac186f8e37e39615edcc470068ab95694fbdebe56bda80e4a54c88f6899b55a21d66fb5aa994debe213e819c6228d3bd9d
ripemd-160 1d3785dad4455f9ab8ccc52849b22d236ab75fc9

28939930 as geometric shapes

Circle

Radius = n
Diameter 57879860
Circumference 181834942.96681
Area 2.6311452605067E+15

Sphere

Radius = n
Volume 1.0152687954519E+23
Surface area 1.0524581042027E+16
Circumference 181834942.96681

Square

Length = n
Perimeter 115759720
Area 837519548404900
Diagonal 40927241.500128

Cube

Length = n
Surface area 5025117290429400
Volume 2.4237757104469E+22
Space diagonal 50125429.127487

Equilateral Triangle

Length = n
Perimeter 86819790
Area 3.6265660254236E+14
Altitude 25062714.563743

Triangular Pyramid

Length = n
Surface area 3.6265660254236E+14
Volume 2.8564470682205E+21
Height 13642413.833376