28939913 (number)

28939913 is an odd 8-digits composite number following 28939912 and preceding 28939914. In scientific notation, it is written as 2.8939913 × 10^7. The sum of its digits is 44. It has a total of 3 prime factors and 8 positive divisors. There are 28020960 positive integers (up to 28939913) that are relatively prime to 28939913.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.8939913 × 10^7
Engineering notation 2.8939913 × 10^6

Prime Factorization of 28939913

Prime Factorization 59 × 67 × 7321

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 28939913
Product of the distinct prime numbers

The prime factorization of 28939913 is 59 × 67 × 7321. Since it has a total of 3 prime factors.

Most popular turbo-numbers

10, 10, 98, 77, 993, 138, 7524, 8075, 69622, 45330, 904758, 691285, 3935032, 6878548, 96892072, 92511726, 101368077, 73196292, 9485829077, 573476254

Basic calculations (n = 28939913)

Multiplication

n×y
n×2 57879826
n×3 86819739
n×4 115759652
n×5 144699565

Division

n÷y
n÷2 14469956.5
n÷3 9646637.6666667
n÷3 7234978.25
n÷5 5787982.6

Exponentiation

ny
n2 837518564447569
n3 2.4237714390998E+22
n4 7.0143734579432E+29
n5 2.0299535762238E+37

Nth Root

y√n
2√n 5379.5829764025
3√n 307.01934469805
4√n 73.345640473054
5√n 31.067009071847

Divisors of 28939913

1, 59, 67, 3953, 7321, 431939, 490507, 28939913

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 -28939912
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 28939913 can be divided by 8 positive divisors. The sum of these divisors (counting 28939913) is 1, the average is 0.125.

Base conversion 28939913

Base System Value
2 Binary 1101110011001011010001001
3 Ternary 2000110022002122
4 Quaternary 1232121122021
5 Quinary 24402034123
6 Senary 2512141025
8 Octal 156313211
10 Decimal 28939913
12 Duodecimal 9837775
16 Hexadecimal 1b99689
20 Vigesimal 90h9fd
36 Base36 h8a6h

Cryptographic Hash Functions

md5 e2b041a4b9db79ed6080f85929d18308
sha1 41e200cc591df8e1636fc674bd4c80c419dfc765
sha256 055062642678788bbaea7c28039675d3c19a1ab0a6a0e48bc9aa8db247cbb19f
sha512 d8bbb8a04e772ea5c20a5ab2a53a4295dfe19dac39ab667b6457b71208267181208782324b02201c607a48523490a6a2ab34ef73150db74b0a4aedcbe35315d6
ripemd-160 d535cc807566be846e9905d83be3d8eae070b3e4

28939913 as geometric shapes

Circle

Radius = n
Diameter 57879826
Circumference 181834836.15266
Area 2.6311421693136E+15

Sphere

Radius = n
Volume 1.0152670062742E+23
Surface area 1.0524568677254E+16
Circumference 181834836.15266

Square

Length = n
Perimeter 115759652
Area 837518564447569
Diagonal 40927217.458497

Cube

Length = n
Surface area 5025111386685414
Volume 2.4237714390998E+22
Space diagonal 50125399.682623

Equilateral Triangle

Length = n
Perimeter 86819739
Area 3.6265617647633E+14
Altitude 25062699.841312

Triangular Pyramid

Length = n
Surface area 3.6265617647633E+14
Volume 2.8564420343895E+21
Height 13642405.819499