28542738 (number)

28542738 is an even 8-digits composite number following 28542737 and preceding 28542739. In scientific notation, it is written as 2.8542738 × 10^7. The sum of its digits is 39. It has a total of 4 prime factors and 16 positive divisors. There are 8098560 positive integers (up to 28542738) that are relatively prime to 28542738.

Interesting facts

Basic properties

Name

Name twenty-eight million five hundred forty-two thousand seven hundred thirty-eight

Notation

Scientific notation 2.8542738 × 10^7
Engineering notation 2.8542738 × 10^6

Prime Factorization of 28542738

Prime Factorization 2 × 21 × 149 × 4561

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 28542738
Product of the distinct prime numbers

The prime factorization of 28542738 is 2 × 21 × 149 × 4561. Since it has a total of 4 prime factors.

Most popular turbo-numbers

10, 8, 65, 53, 387, 228, 841, 874, 17440, 18790, 906462, 656287, 8591582, 9216834, 29468735, 79096278, 932342616, 427115019, 3865479923, 6555108794

Basic calculations (n = 28542738)

Multiplication

n×y
n×2 57085476
n×3 85628214
n×4 114170952
n×5 142713690

Division

n÷y
n÷2 14271369
n÷3 9514246
n÷3 7135684.5
n÷5 5708547.6

Exponentiation

ny
n2 814687892536644
n3 2.3253423068446E+22
n4 6.637163622458E+29
n5 1.8944282233895E+37

Nth Root

y√n
2√n 5342.54040696
3√n 305.60834595456
4√n 73.092683676001
5√n 30.981263551244

Divisors of 28542738

1, 2, 21, 42, 149, 298, 3129, 4561, 6258, 9122, 95781, 191562, 679589, 1359178, 14271369, 28542738

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 -28542737
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 28542738 can be divided by 16 positive divisors. The sum of these divisors (counting 28542738) is 1, the average is 0.0625.

Base conversion 28542738

Base System Value
2 Binary 1101100111000011100010010
3 Ternary 1222201010021110
4 Quaternary 1230320130102
5 Quinary 24301331423
6 Senary 2455434150
8 Octal 154703422
10 Decimal 28542738
12 Duodecimal 9685956
16 Hexadecimal 1b38712
20 Vigesimal 8i7ggi
36 Base36 gzrpu

Cryptographic Hash Functions

md5 2977b62c4b77fb72c6ee45fed941fe72
sha1 bf65cccb2da68d2800ccff3bcfd23b1110f174cb
sha256 7b4046aa9e33e000a9c32e62bb53c17912c3ddbe4b87b65319cf7d4ea3d5c35c
sha512 40a69a96186f427e92e4ffca82409b9d709505df3d157cca433545b975371f059343300a3904fd11cfad200b86dfd6fe2b08de82c9716ac47bdd61f3aac50de0
ripemd-160 263b99a575877dd4af09cf68da55cd11fcffdafa

28542738 as geometric shapes

Circle

Radius = n
Diameter 57085476
Circumference 179339312.02828
Area 2.5594174981617E+15

Sphere

Radius = n
Volume 9.7403710776859E+22
Surface area 1.0237669992647E+16
Circumference 179339312.02828

Square

Length = n
Perimeter 114170952
Area 814687892536644
Diagonal 40365527.186862

Cube

Length = n
Surface area 4888127355219864
Volume 2.3253423068446E+22
Space diagonal 49437472.403127

Equilateral Triangle

Length = n
Perimeter 85628214
Area 3.5277020554617E+14
Altitude 24718736.201563

Triangular Pyramid

Length = n
Surface area 3.5277020554617E+14
Volume 2.7404421895829E+21
Height 13455175.728954