28758440 (number)

28758440 is an even 8-digits composite number following 28758439 and preceding 28758441. In scientific notation, it is written as 2.8758440 × 10^7. The sum of its digits is 38. It has a total of 6 prime factors and 32 positive divisors. There are 11461632 positive integers (up to 28758440) that are relatively prime to 28758440.

Interesting facts

Basic properties

Name

Name twenty-eight million seven hundred fifty-eight thousand four hundred forty

Notation

Scientific notation 2.8758440 × 10^7
Engineering notation 2.8758440 × 10^6

Prime Factorization of 28758440

Prime Factorization 2 × 2 × 2 × 5 × 2297 × 313

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 6
Total number of prime factors
rad Radical 7189610
Product of the distinct prime numbers

The prime factorization of 28758440 is 2 × 2 × 2 × 5 × 2297 × 313. Since it has a total of 6 prime factors.

Most popular turbo-numbers

Basic calculations (n = 28758440)

Multiplication

n×y
n×2 57516880
n×3 86275320
n×4 115033760
n×5 143792200

Division

n÷y
n÷2 14379220
n÷3 9586146.6666667
n÷3 7189610
n÷5 5751688

Exponentiation

ny
n2 827047871233600
n3 2.3784606581999E+22
n4 6.8400818131203E+29
n5 1.9671008241771E+37

Nth Root

y√n
2√n 5362.689623687
3√n 306.37625836624
4√n 73.230387297125
5√n 31.027948705794

Divisors of 28758440

32 divisors

τ Total Divisors 32
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -28758439
Sum of the proper positive divisors of n
A Arithmetic Mean 0.03125
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 32
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 28758440 can be divided by 32 positive divisors. The sum of these divisors (counting 28758440) is 1, the average is 0.03125.

Base conversion 28758440

Base System Value
2 Binary 1101101101101000110101000
3 Ternary 2000010002011102
4 Quaternary 1231231012220
5 Quinary 24330232230
6 Senary 2504220532
8 Octal 155550650
10 Decimal 28758440
12 Duodecimal 976a748
16 Hexadecimal 1b6d1a8
20 Vigesimal 8jeg20
36 Base36 h4e5k

Cryptographic Hash Functions

md5 53157bc9717f9c7596b5f6508f67b504
sha1 060b4be587b31b083cc9a05b30dd0a3297283501
sha256 dd3a7069d66b817350100dd26c7880c23863cd80b2051ee7d66081795b469115
sha512 a9db63404836c4df8e7a667fcec23fdfb2a717bf1ca8f301b92b2cc6ee6c9fba96839d77de2b28a7858cd4f07177306e5f56c0aa67b762ed4efd59bd8ba6e685
ripemd-160 11ba7292fb516c8625f2fc9eb7751bb35f446377

28758440 as geometric shapes

Circle

Radius = n
Diameter 57516880
Circumference 180694607.66541
Area 2.5982475164346E+15

Sphere

Radius = n
Volume 9.9628727075376E+22
Surface area 1.0392990065738E+16
Circumference 180694607.66541

Square

Length = n
Perimeter 115033760
Area 827047871233600
Diagonal 40670575.880693

Cube

Length = n
Surface area 4962287227401600
Volume 2.3784606581999E+22
Space diagonal 49811079.226421

Equilateral Triangle

Length = n
Perimeter 86275320
Area 3.5812223331707E+14
Altitude 24905539.613211

Triangular Pyramid

Length = n
Surface area 3.5812223331707E+14
Volume 2.8030427669976E+21
Height 13556858.626898