28007913 (number)

28007913 is an odd 8-digits composite number following 28007912 and preceding 28007914. In scientific notation, it is written as 2.8007913 × 10^7. The sum of its digits is 30. It has a total of 2 prime factors and 4 positive divisors. There are 18671940 positive integers (up to 28007913) that are relatively prime to 28007913.

Interesting facts

Basic properties

Name

Name twenty-eight million seven thousand nine hundred thirteen

Notation

Scientific notation 2.8007913 × 10^7
Engineering notation 2.8007913 × 10^6

Prime Factorization of 28007913

Prime Factorization 3 × 9335971

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 28007913
Product of the distinct prime numbers

The prime factorization of 28007913 is 3 × 9335971. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 28007913)

Multiplication

n×y
n×2 56015826
n×3 84023739
n×4 112031652
n×5 140039565

Division

n÷y
n÷2 14003956.5
n÷3 9335971
n÷3 7001978.25
n÷5 5601582.6

Exponentiation

ny
n2 784443190615569
n3 2.1970616636203E+22
n4 6.1535111930313E+29
n5 1.7234700613895E+37

Nth Root

y√n
2√n 5292.2502775285
3√n 303.68749988441
4√n 72.747854109441
5√n 30.864279965772

Divisors of 28007913

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 -28007912
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 28007913 can be divided by 4 positive divisors. The sum of these divisors (counting 28007913) is 1, the average is 0.25.

Base conversion 28007913

Base System Value
2 Binary 1101010110101110111101001
3 Ternary 1221200221122010
4 Quaternary 1222311313221
5 Quinary 24132223123
6 Senary 2440150133
8 Octal 152656751
10 Decimal 28007913
12 Duodecimal 9468349
16 Hexadecimal 1ab5de9
20 Vigesimal 8f0jfd
36 Base36 gob1l

Cryptographic Hash Functions

md5 5e8504593d76c7855165331906656c62
sha1 0e206ce8fc5dd6ac9abdf0a33b0bbffcff6a1a28
sha256 512ca4816a010effd5309b0efd8bb84179f363de6dacd086797ef4fc10f41b83
sha512 2eae3ffc1b67b2fac44a59cdf5f205eebd53ad6673ddf7de3cfa30468753c5c8fe30c594658929da50c512b3e57a2baac4404e78089fb3ddcd719b7d25901151
ripemd-160 63e8b31d621c76f992cab905ae31174d8d9e00d0

28007913 as geometric shapes

Circle

Radius = n
Diameter 56015826
Circumference 175978907.44636
Area 2.4644009647964E+15

Sphere

Radius = n
Volume 9.2030303758845E+22
Surface area 9.8576038591856E+15
Circumference 175978907.44636

Square

Length = n
Perimeter 112031652
Area 784443190615569
Diagonal 39609170.418366

Cube

Length = n
Surface area 4706659143693414
Volume 2.1970616636203E+22
Space diagonal 48511128.329969

Equilateral Triangle

Length = n
Perimeter 84023739
Area 3.396738654494E+14
Altitude 24255564.164984

Triangular Pyramid

Length = n
Surface area 3.396738654494E+14
Volume 2.5892620017182E+21
Height 13203056.806122