28690690 (number)

28690690 is an even 8-digits composite number following 28690689 and preceding 28690691. In scientific notation, it is written as 2.8690690 × 10^7. The sum of its digits is 40. It has a total of 4 prime factors and 16 positive divisors. There are 9836784 positive integers (up to 28690690) that are relatively prime to 28690690.

Interesting facts

Basic properties

Name

Name twenty-eight million six hundred ninety thousand six hundred ninety

Notation

Scientific notation 2.8690690 × 10^7
Engineering notation 2.8690690 × 10^6

Prime Factorization of 28690690

Prime Factorization 2 × 5 × 7 × 409867

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 28690690
Product of the distinct prime numbers

The prime factorization of 28690690 is 2 × 5 × 7 × 409867. Since it has a total of 4 prime factors.

Most popular turbo-numbers

3, 1, 55, 34, 354, 56, 3481, 5904, 90740, 12109, 478118, 89358, 988706, 6626646, 34771357, 24258787, 431461668, 925637953, 9102960462, 8446661574

Basic calculations (n = 28690690)

Multiplication

n×y
n×2 57381380
n×3 86072070
n×4 114762760
n×5 143453450

Division

n÷y
n÷2 14345345
n÷3 9563563.3333333
n÷3 7172672.5
n÷5 5738138

Exponentiation

ny
n2 823155692676100
n3 2.3616904800305E+22
n4 6.7758529438507E+29
n5 1.9440389629761E+37

Nth Root

y√n
2√n 5356.369106027
3√n 306.13547904658
4√n 73.187219553874
5√n 31.013315594633

Divisors of 28690690

1, 2, 5, 7, 10, 14, 35, 70, 409867, 819734, 2049335, 2869069, 4098670, 5738138, 14345345, 28690690

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 -28690689
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 28690690 can be divided by 16 positive divisors. The sum of these divisors (counting 28690690) is 1, the average is 0.0625.

Base conversion 28690690

Base System Value
2 Binary 1101101011100100100000010
3 Ternary 1222222122020011
4 Quaternary 1231130210002
5 Quinary 24321100230
6 Senary 2502535134
8 Octal 155344402
10 Decimal 28690690
12 Duodecimal 97374aa
16 Hexadecimal 1b5c902
20 Vigesimal 8j66ea
36 Base36 h2xvm

Cryptographic Hash Functions

md5 d846e6f566f62721c20ab010c52b9c6b
sha1 ea6089c258cd9539e53fed613a302335905519e3
sha256 ac3bf7ef68a931ed9489877aff70d35c7ca48e198ad97006fc3cffabec062c0a
sha512 e9fd3f448db0b8da1811895a811571fc54bc3a52af605167d7eb63d540eb12035e550f487893a36441d98dcb1d5b315c85fe4e49b8ccbc390208db4e1cad7cf9
ripemd-160 b797bb2927ead64bd559b0b7fee3f8633383a661

28690690 as geometric shapes

Circle

Radius = n
Diameter 57381380
Circumference 180268921.86084
Area 2.5860198768719E+15

Sphere

Radius = n
Volume 9.8926259494891E+22
Surface area 1.0344079507487E+16
Circumference 180268921.86084

Square

Length = n
Perimeter 114762760
Area 823155692676100
Diagonal 40574762.911842

Cube

Length = n
Surface area 4938934156056600
Volume 2.3616904800305E+22
Space diagonal 49693732.784208

Equilateral Triangle

Length = n
Perimeter 86072070
Area 3.5643687056364E+14
Altitude 24846866.392104

Triangular Pyramid

Length = n
Surface area 3.5643687056364E+14
Volume 2.7832789224888E+21
Height 13524920.970614