28993868 (number)

28993868 is an even 8-digits composite number following 28993867 and preceding 28993869. In scientific notation, it is written as 2.8993868 × 10^7. The sum of its digits is 53. It has a total of 5 prime factors and 24 positive divisors. There are 14011200 positive integers (up to 28993868) that are relatively prime to 28993868.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.8993868 × 10^7
Engineering notation 2.8993868 × 10^6

Prime Factorization of 28993868

Prime Factorization 2 × 2 × 101 × 43 × 1669

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 14496934
Product of the distinct prime numbers

The prime factorization of 28993868 is 2 × 2 × 101 × 43 × 1669. Since it has a total of 5 prime factors.

Most popular turbo-numbers

8, 8, 54, 4, 48, 610, 4432, 9580, 61131, 67552, 581044, 808053, 6265393, 4341551, 93691026, 7507552, 504259904, 794160187, 7302661172, 2165184755

Basic calculations (n = 28993868)

Multiplication

n×y
n×2 57987736
n×3 86981604
n×4 115975472
n×5 144969340

Division

n÷y
n÷2 14496934
n÷3 9664622.6666667
n÷3 7248467
n÷5 5798773.6

Exponentiation

ny
n2 840644381601424
n3 2.4373532235093E+22
n4 7.0668297631804E+29
n5 2.0489472933212E+37

Nth Root

y√n
2√n 5384.5954351279
3√n 307.21002650561
4√n 73.379802637564
5√n 31.078584585748

Divisors of 28993868

1, 2, 4, 43, 86, 101, 172, 202, 404, 1669, 3338, 4343, 6676, 8686, 17372, 71767, 143534, 168569, 287068, 337138, 674276, 7248467, 14496934, 28993868

24 divisors

τ Total Divisors 24
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -28993867
Sum of the proper positive divisors of n
A Arithmetic Mean 0.041666666666667
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 24
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 28993868 can be divided by 24 positive divisors. The sum of these divisors (counting 28993868) is 1, the average is 0.041666666666667.

Base conversion 28993868

Base System Value
2 Binary 1101110100110100101001100
3 Ternary 2000120001002222
4 Quaternary 1232212211030
5 Quinary 24410300433
6 Senary 2513234512
8 Octal 156464514
10 Decimal 28993868
12 Duodecimal 9862a38
16 Hexadecimal 1ba694c
20 Vigesimal 9144d8
36 Base36 h9ft8

Cryptographic Hash Functions

md5 1c4b6f437e577796785cd00d51ecb5eb
sha1 56f16c1e15a9fad46bd9831dbd2c197f889b84a9
sha256 e405166a83f61e4d69c254fff0d4f48ea089834112026615c2885ee012377987
sha512 b62c495f27e8f65019d2a214724d701164ed065fd8309269b0c3199bf6510f4270d2e6d2f02389433e6a1969fc2d13118a774f48dc9dbb2d2ca1dd7a49ca9704
ripemd-160 25f0ffc7a5e281597221aed2e27bb5c87fd7023b

28993868 as geometric shapes

Circle

Radius = n
Diameter 57987736
Circumference 182173845.4159
Area 2.6409622135206E+15

Sphere

Radius = n
Volume 1.020956130824E+23
Surface area 1.0563848854082E+16
Circumference 182173845.4159

Square

Length = n
Perimeter 115975472
Area 840644381601424
Diagonal 41003521.351255

Cube

Length = n
Surface area 5043866289608544
Volume 2.4373532235093E+22
Space diagonal 50218852.483945

Equilateral Triangle

Length = n
Perimeter 86981604
Area 3.6400969500775E+14
Altitude 25109426.241973

Triangular Pyramid

Length = n
Surface area 3.6400969500775E+14
Volume 2.8724483208172E+21
Height 13667840.450418