28977894 (number)

28977894 is an even 8-digits composite number following 28977893 and preceding 28977895. In scientific notation, it is written as 2.8977894 × 10^7. The sum of its digits is 54. It has a total of 4 prime factors and 16 positive divisors. There are 8263680 positive integers (up to 28977894) that are relatively prime to 28977894.

Interesting facts

Basic properties

Name

Name twenty-eight million nine hundred seventy-seven thousand eight hundred ninety-four

Notation

Scientific notation 2.8977894 × 10^7
Engineering notation 2.8977894 × 10^6

Prime Factorization of 28977894

Prime Factorization 2 × 187 × 9 × 8609

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 28977894
Product of the distinct prime numbers

The prime factorization of 28977894 is 2 × 187 × 9 × 8609. Since it has a total of 4 prime factors.

Most popular turbo-numbers

5, 2, 66, 87, 789, 478, 3227, 4429, 11600, 65075, 107292, 461997, 3823618, 8830405, 46514363, 92198588, 989864860, 34708944, 1016762189, 9039387798

Basic calculations (n = 28977894)

Multiplication

n×y
n×2 57955788
n×3 86933682
n×4 115911576
n×5 144889470

Division

n÷y
n÷2 14488947
n÷3 9659298
n÷3 7244473.5
n÷5 5795578.8

Exponentiation

ny
n2 839718340675236
n3 2.4333269065943E+22
n4 7.0512689166637E+29
n5 2.0433092323258E+37

Nth Root

y√n
2√n 5383.1119252715
3√n 307.15359762591
4√n 73.36969350673
5√n 31.075159318359

Divisors of 28977894

1, 2, 9, 18, 187, 374, 1683, 3366, 8609, 17218, 77481, 154962, 1609883, 3219766, 14488947, 28977894

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 -28977893
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 28977894 can be divided by 16 positive divisors. The sum of these divisors (counting 28977894) is 1, the average is 0.0625.

Base conversion 28977894

Base System Value
2 Binary 1101110100010101011100110
3 Ternary 2000112020012100
4 Quaternary 1232202223212
5 Quinary 24404243034
6 Senary 2513032530
8 Octal 156425346
10 Decimal 28977894
12 Duodecimal 9855746
16 Hexadecimal 1ba2ae6
20 Vigesimal 9124ee
36 Base36 h93hi

Cryptographic Hash Functions

md5 b498f84fcb10b9a696b8459b8cb81687
sha1 df9e611c0fce5a7d3b4f2a5d85a1475675c33ccb
sha256 7217f0b2a2e701a23c187fcc36bebd72757b5d7d59e1d88e33da9a5a12894d8f
sha512 8cc0b96561d35edf26585fe35a401e6b9db29c0c8ff6198e7f73beec6d78447ed80a304ff6115593e6f80587257d4ac4647267f10abb433e5c4f3c8bedd59058
ripemd-160 a95d61a53c4b01c47d4facc06f00e47ad5f4b52d

28977894 as geometric shapes

Circle

Radius = n
Diameter 57955788
Circumference 182073477.81381
Area 2.6380529701499E+15

Sphere

Radius = n
Volume 1.0192695911385E+23
Surface area 1.05522118806E+16
Circumference 182073477.81381

Square

Length = n
Perimeter 115911576
Area 839718340675236
Diagonal 40980930.70381

Cube

Length = n
Surface area 5038310044051416
Volume 2.4333269065943E+22
Space diagonal 50191184.704345

Equilateral Triangle

Length = n
Perimeter 86933682
Area 3.6360870752424E+14
Altitude 25095592.352173

Triangular Pyramid

Length = n
Surface area 3.6360870752424E+14
Volume 2.8677032608275E+21
Height 13660310.234603