28993890 (number)

28993890 is an even 8-digits composite number following 28993889 and preceding 28993891. In scientific notation, it is written as 2.8993890 × 10^7. The sum of its digits is 48. It has a total of 4 prime factors and 16 positive divisors. There are 7731696 positive integers (up to 28993890) that are relatively prime to 28993890.

Interesting facts

Basic properties

Name

Name twenty-eight million nine hundred ninety-three thousand eight hundred ninety

Notation

Scientific notation 2.8993890 × 10^7
Engineering notation 2.8993890 × 10^6

Prime Factorization of 28993890

Prime Factorization 2 × 3 × 5 × 966463

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 28993890
Product of the distinct prime numbers

The prime factorization of 28993890 is 2 × 3 × 5 × 966463. Since it has a total of 4 prime factors.

Most popular turbo-numbers

10, 3, 68, 19, 515, 288, 3214, 8212, 74901, 52049, 939455, 35066, 3896305, 9861541, 11459617, 62542227, 998070995, 805888424, 9731923584, 3917761926

Basic calculations (n = 28993890)

Multiplication

n×y
n×2 57987780
n×3 86981670
n×4 115975560
n×5 144969450

Division

n÷y
n÷2 14496945
n÷3 9664630
n÷3 7248472.5
n÷5 5798778

Exponentiation

ny
n2 840645657332100
n3 2.4373587717665E+22
n4 7.0668512119132E+29
n5 2.0489550668458E+37

Nth Root

y√n
2√n 5384.5974779922
3√n 307.21010420732
4√n 73.379816557363
5√n 31.078589302115

Divisors of 28993890

1, 2, 3, 5, 6, 10, 15, 30, 966463, 1932926, 2899389, 4832315, 5798778, 9664630, 14496945, 28993890

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 -28993889
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 28993890 can be divided by 16 positive divisors. The sum of these divisors (counting 28993890) is 1, the average is 0.0625.

Base conversion 28993890

Base System Value
2 Binary 1101110100110100101100010
3 Ternary 2000120001010210
4 Quaternary 1232212211202
5 Quinary 24410301030
6 Senary 2513234550
8 Octal 156464542
10 Decimal 28993890
12 Duodecimal 9862a56
16 Hexadecimal 1ba6962
20 Vigesimal 9144ea
36 Base36 h9ftu

Cryptographic Hash Functions

md5 b7730a1f435e36b62023222e1412037b
sha1 1b3ac89ead1d018d7e70b0734e93a0a13f22983c
sha256 42c214541da00c7d5c1a4fad4ad45fe6db98642d98807d6c6c7c41eaffcdc021
sha512 26eff3e823bbf22e288e1134845ca598972ed1521ce97f739ff34ef9234b08cf778799cfa49790b8d0cf33e3e949419aad2ad6b4a37fb1fab9dcad56ede80604
ripemd-160 d1d86ba1aefb50859472041110f16d9979422741

28993890 as geometric shapes

Circle

Radius = n
Diameter 57987780
Circumference 182173983.64598
Area 2.6409662213467E+15

Sphere

Radius = n
Volume 1.0209584548726E+23
Surface area 1.0563864885387E+16
Circumference 182173983.64598

Square

Length = n
Perimeter 115975560
Area 840645657332100
Diagonal 41003552.463954

Cube

Length = n
Surface area 5043873943992600
Volume 2.4373587717665E+22
Space diagonal 50218890.589063

Equilateral Triangle

Length = n
Perimeter 86981670
Area 3.6401024741533E+14
Altitude 25109445.294532

Triangular Pyramid

Length = n
Surface area 3.6401024741533E+14
Volume 2.872454859501E+21
Height 13667850.821318