28702990 (number)

28702990 is an even 8-digits composite number following 28702989 and preceding 28702991. In scientific notation, it is written as 2.8702990 × 10^7. The sum of its digits is 37. It has a total of 4 prime factors and 16 positive divisors. There are 11467456 positive integers (up to 28702990) that are relatively prime to 28702990.

Interesting facts

Basic properties

Name

Name twenty-eight million seven hundred two thousand nine hundred ninety

Notation

Scientific notation 2.8702990 × 10^7
Engineering notation 2.8702990 × 10^6

Prime Factorization of 28702990

Prime Factorization 2 × 5 × 1433 × 2003

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 28702990
Product of the distinct prime numbers

The prime factorization of 28702990 is 2 × 5 × 1433 × 2003. Since it has a total of 4 prime factors.

Most popular turbo-numbers

8, 4, 58, 60, 53, 768, 3178, 9561, 16161, 73424, 655202, 803646, 3372851, 8279633, 16368596, 86043214, 147706379, 174288411, 4544494167, 8014204571

Basic calculations (n = 28702990)

Multiplication

n×y
n×2 57405980
n×3 86108970
n×4 114811960
n×5 143514950

Division

n÷y
n÷2 14351495
n÷3 9567663.3333333
n÷3 7175747.5
n÷5 5740598

Exponentiation

ny
n2 823861634940100
n3 2.3647292269069E+22
n4 6.7874799352617E+29
n5 1.9482096870702E+37

Nth Root

y√n
2√n 5357.5171488293
3√n 306.17922062758
4√n 73.195062325469
5√n 31.015974285544

Divisors of 28702990

1, 2, 5, 10, 1433, 2003, 2866, 4006, 7165, 10015, 14330, 20030, 2870299, 5740598, 14351495, 28702990

16 divisors

τ Total Divisors 16
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -28702989
Sum of the proper positive divisors of n
A Arithmetic Mean 0.0625
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 16
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 28702990 can be divided by 16 positive divisors. The sum of these divisors (counting 28702990) is 1, the average is 0.0625.

Base conversion 28702990

Base System Value
2 Binary 1101101011111100100001110
3 Ternary 2000000021002201
4 Quaternary 1231133210032
5 Quinary 24321443430
6 Senary 2503112114
8 Octal 155374416
10 Decimal 28702990
12 Duodecimal 974263a
16 Hexadecimal 1b5f90e
20 Vigesimal 8j7h9a
36 Base36 h37da

Cryptographic Hash Functions

md5 440878a5712f57ace093d03a4f322c36
sha1 84bc0155abc40dcd6437bd130cd446c67ffaead6
sha256 92193759e29981845c1b081a64203437167f4d425f8ab760317ba1ba892c7e5e
sha512 05bfed1a6fea67fcdee0e62016217914afb8255d04cd4538447f622c7adbd36475e62535911c2dff8a7d6fc5a0005c72038bc1cbcf5e828337118c2007b9f65d
ripemd-160 a13614b0f5d90762482921910f84d63ad5ed8d42

28702990 as geometric shapes

Circle

Radius = n
Diameter 57405980
Circumference 180346205.04012
Area 2.5882376599023E+15

Sphere

Radius = n
Volume 9.9053546226399E+22
Surface area 1.0352950639609E+16
Circumference 180346205.04012

Square

Length = n
Perimeter 114811960
Area 823861634940100
Diagonal 40592157.738659

Cube

Length = n
Surface area 4943169809640600
Volume 2.3647292269069E+22
Space diagonal 49715037.009141

Equilateral Triangle

Length = n
Perimeter 86108970
Area 3.5674255253075E+14
Altitude 24857518.504571

Triangular Pyramid

Length = n
Surface area 3.5674255253075E+14
Volume 2.7868601200265E+21
Height 13530719.24622