28779949 (number)

28779949 is an odd 8-digits composite number following 28779948 and preceding 28779950. In scientific notation, it is written as 2.8779949 × 10^7. The sum of its digits is 55. It has a total of 2 prime factors and 4 positive divisors. There are 26163580 positive integers (up to 28779949) that are relatively prime to 28779949.

Interesting facts

Basic properties

Name

Name twenty-eight million seven hundred seventy-nine thousand nine hundred forty-nine

Notation

Scientific notation 2.8779949 × 10^7
Engineering notation 2.8779949 × 10^6

Prime Factorization of 28779949

Prime Factorization 11 × 2616359

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 28779949
Product of the distinct prime numbers

The prime factorization of 28779949 is 11 × 2616359. Since it has a total of 2 prime factors.

Most popular turbo-numbers

2, 10, 99, 92, 693, 662, 513, 7664, 76835, 79401, 411086, 341868, 5069111, 3951632, 16945062, 57751423, 753799094, 456801846, 694402793, 5352290313

Basic calculations (n = 28779949)

Multiplication

n×y
n×2 57559898
n×3 86339847
n×4 115119796
n×5 143899745

Division

n÷y
n÷2 14389974.5
n÷3 9593316.3333333
n÷3 7194987.25
n÷5 5755989.8

Exponentiation

ny
n2 828285464442601
n3 2.3838013424099E+22
n4 6.860568106069E+29
n5 1.9744680020369E+37

Nth Root

y√n
2√n 5364.6946791034
3√n 306.45262093124
4√n 73.24407606833
5√n 31.032588599889

Divisors of 28779949

1, 11, 2616359, 28779949

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 -28779948
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 28779949 can be divided by 4 positive divisors. The sum of these divisors (counting 28779949) is 1, the average is 0.25.

Base conversion 28779949

Base System Value
2 Binary 1101101110010010110101101
3 Ternary 2000011011200001
4 Quaternary 1231302112231
5 Quinary 24331424244
6 Senary 2504504301
8 Octal 155622655
10 Decimal 28779949
12 Duodecimal 977b091
16 Hexadecimal 1b725ad
20 Vigesimal 8jh9h9
36 Base36 h4ur1

Cryptographic Hash Functions

md5 2ea227d082f0b1d17f96f33400d70bae
sha1 9d9e358133aa596c5daad6ea4549774f9d1ff62f
sha256 ad7f7cec7ae9f501820ddd8cbf11dde04994fc7c133377a2724e175c756ed1cf
sha512 1caa9b609256de9c06bcd2a0be58d84c3fd0830162e9518802400cbd6e058b1d9d3cc285e0b43428d3f5aa648f6c8b508868f305231cd372da0e3ffbc20d606e
ripemd-160 7febe0b95386bce95c694495370f6839b2a62361

28779949 as geometric shapes

Circle

Radius = n
Diameter 57559898
Circumference 180829752.69818
Area 2.6021355301681E+15

Sphere

Radius = n
Volume 9.9852437132434E+22
Surface area 1.0408542120672E+16
Circumference 180829752.69818

Square

Length = n
Perimeter 115119796
Area 828285464442601
Diagonal 40700994.200206

Cube

Length = n
Surface area 4969712786655606
Volume 2.3838013424099E+22
Space diagonal 49848333.907241

Equilateral Triangle

Length = n
Perimeter 86339847
Area 3.5865812689634E+14
Altitude 24924166.953621

Triangular Pyramid

Length = n
Surface area 3.5865812689634E+14
Volume 2.8093368236994E+21
Height 13566998.066735