28687923 (number)

28687923 is an odd 8-digits composite number following 28687922 and preceding 28687924. In scientific notation, it is written as 2.8687923 × 10^7. The sum of its digits is 45. It has a total of 4 prime factors and 16 positive divisors. There are 16188480 positive integers (up to 28687923) that are relatively prime to 28687923.

Interesting facts

Basic properties

Name

Name twenty-eight million six hundred eighty-seven thousand nine hundred twenty-three

Notation

Scientific notation 2.8687923 × 10^7
Engineering notation 2.8687923 × 10^6

Prime Factorization of 28687923

Prime Factorization 2967 × 3 × 11 × 293

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 28687923
Product of the distinct prime numbers

The prime factorization of 28687923 is 2967 × 3 × 11 × 293. Since it has a total of 4 prime factors.

Most popular turbo-numbers

8, 6, 5, 44, 287, 256, 6331, 4514, 72641, 42151, 70031, 40345, 5884911, 8119693, 3017474, 13169163, 137807007, 407130128, 168961774, 4871435345

Basic calculations (n = 28687923)

Multiplication

n×y
n×2 57375846
n×3 86063769
n×4 114751692
n×5 143439615

Division

n÷y
n÷2 14343961.5
n÷3 9562641
n÷3 7171980.75
n÷5 5737584.6

Exponentiation

ny
n2 822996926053929
n3 2.3610072443872E+22
n4 6.7732394029422E+29
n5 1.9431017045217E+37

Nth Root

y√n
2√n 5356.1108091599
3√n 306.12563724652
4√n 73.18545490164
5√n 31.012717371622

Divisors of 28687923

1, 3, 11, 33, 293, 879, 2967, 3223, 8901, 9669, 32637, 97911, 869331, 2607993, 9562641, 28687923

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 -28687922
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 28687923 can be divided by 16 positive divisors. The sum of these divisors (counting 28687923) is 1, the average is 0.0625.

Base conversion 28687923

Base System Value
2 Binary 1101101011011111000110011
3 Ternary 1222222111102200
4 Quaternary 1231123320303
5 Quinary 24321003143
6 Senary 2502514243
8 Octal 155337063
10 Decimal 28687923
12 Duodecimal 9735983
16 Hexadecimal 1b5be33
20 Vigesimal 8j5jg3
36 Base36 h2vqr

Cryptographic Hash Functions

md5 d6159e9db90ff5e1cec8ba693feafd1d
sha1 510ba867f734938418f3c6e2867ce01a9ad7bb87
sha256 c2fb776fb1207834fea43b5a2a166b081408c96381f4c40e91a2d2e4a0a620db
sha512 18fa364c4dbb9c9604c954be3c42470fba39620fd23fc0f57d383e608ba46744df26f7d314846e6ae266ddc515b8b7cb25704e83d7e75c755fe7aef612ce7332
ripemd-160 da0f6085957a4668e93f13ca2809d9f20472375e

28687923 as geometric shapes

Circle

Radius = n
Diameter 57375846
Circumference 180251536.2871
Area 2.585521096818E+15

Sphere

Radius = n
Volume 9.8897640187187E+22
Surface area 1.0342084387272E+16
Circumference 180251536.2871

Square

Length = n
Perimeter 114751692
Area 822996926053929
Diagonal 40570849.782915

Cube

Length = n
Surface area 4937981556323574
Volume 2.3610072443872E+22
Space diagonal 49688940.199624

Equilateral Triangle

Length = n
Perimeter 86063769
Area 3.563681225996E+14
Altitude 24844470.099812

Triangular Pyramid

Length = n
Surface area 3.563681225996E+14
Volume 2.7824737215612E+21
Height 13523616.594305