28761490 (number)

28761490 is an even 8-digits composite number following 28761489 and preceding 28761491. In scientific notation, it is written as 2.8761490 × 10^7. The sum of its digits is 37. It has a total of 3 prime factors and 8 positive divisors. There are 11133360 positive integers (up to 28761490) that are relatively prime to 28761490.

Interesting facts

Basic properties

Name

Name twenty-eight million seven hundred sixty-one thousand four hundred ninety

Notation

Scientific notation 2.8761490 × 10^7
Engineering notation 2.8761490 × 10^6

Prime Factorization of 28761490

Prime Factorization 2 × 155 × 92779

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 28761490
Product of the distinct prime numbers

The prime factorization of 28761490 is 2 × 155 × 92779. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 28761490)

Multiplication

n×y
n×2 57522980
n×3 86284470
n×4 115045960
n×5 143807450

Division

n÷y
n÷2 14380745
n÷3 9587163.3333333
n÷3 7190372.5
n÷5 5752298

Exponentiation

ny
n2 827223307020100
n3 2.3792174872626E+22
n4 6.8429839967727E+29
n5 1.9681441579334E+37

Nth Root

y√n
2√n 5362.9739883762
3√n 306.3870889787
4√n 73.232328847144
5√n 31.028606816799

Divisors of 28761490

8 divisors

τ Total Divisors 8
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -28761489
Sum of the proper positive divisors of n
A Arithmetic Mean 0.125
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 8
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 28761490 can be divided by 8 positive divisors. The sum of these divisors (counting 28761490) is 1, the average is 0.125.

Base conversion 28761490

Base System Value
2 Binary 1101101101101110110010010
3 Ternary 2000010020100101
4 Quaternary 1231231312102
5 Quinary 24330331430
6 Senary 2504243014
8 Octal 155556622
10 Decimal 28761490
12 Duodecimal 977046a
16 Hexadecimal 1b6dd92
20 Vigesimal 8jf3ea
36 Base36 h4gia

Cryptographic Hash Functions

md5 1161e3a5c459b4df41bf14b7ae4a7101
sha1 4425aef7934340038edc6901c9d1e6f773bedb45
sha256 dec48a015556dbb02015e7ba37d63423d110aa5d07fbc3d6a8e76bceea54d76c
sha512 acd92e1edd2d887573d1047173b26346cb0ac7bdbb6495235208ff15a4255e7d1fc8b3330b37caf92d129c0b3331b0e9b61c2b53ab7b0c6e187b0e5f18896e84
ripemd-160 1d1f8e68273c7bd5c0f93550c02bb8633df35e05

28761490 as geometric shapes

Circle

Radius = n
Diameter 57522980
Circumference 180713771.38059
Area 2.5987986642126E+15

Sphere

Radius = n
Volume 9.9660429057019E+22
Surface area 1.039519465685E+16
Circumference 180713771.38059

Square

Length = n
Perimeter 115045960
Area 827223307020100
Diagonal 40674889.232058

Cube

Length = n
Surface area 4963339842120600
Volume 2.3792174872626E+22
Space diagonal 49816361.981384

Equilateral Triangle

Length = n
Perimeter 86284470
Area 3.5819819924099E+14
Altitude 24908180.990692

Triangular Pyramid

Length = n
Surface area 3.5819819924099E+14
Volume 2.8039346986016E+21
Height 13558296.410686