28974789 (number)

28974789 is an odd 8-digits composite number following 28974788 and preceding 28974790. In scientific notation, it is written as 2.8974789 × 10^7. The sum of its digits is 54. It has a total of 2 prime factors and 4 positive divisors. There are 19316520 positive integers (up to 28974789) that are relatively prime to 28974789.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.8974789 × 10^7
Engineering notation 2.8974789 × 10^6

Prime Factorization of 28974789

Prime Factorization 9 × 3219421

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 28974789
Product of the distinct prime numbers

The prime factorization of 28974789 is 9 × 3219421. Since it has a total of 2 prime factors.

Most popular turbo-numbers

2, 8, 70, 11, 326, 212, 653, 3660, 2061, 96084, 773743, 739971, 5731254, 6933818, 91844078, 46846369, 828098536, 503534387, 9895879143, 3460647968

Basic calculations (n = 28974789)

Multiplication

n×y
n×2 57949578
n×3 86924367
n×4 115899156
n×5 144873945

Division

n÷y
n÷2 14487394.5
n÷3 9658263
n÷3 7243697.25
n÷5 5794957.8

Exponentiation

ny
n2 839538397594521
n3 2.4325447927699E+22
n4 7.0482472103558E+29
n5 2.042214757399E+37

Nth Root

y√n
2√n 5382.8235155911
3√n 307.14262666546
4√n 73.367728025277
5√n 31.074493345149

Divisors of 28974789

1, 9, 3219421, 28974789

4 divisors

τ Total Divisors 4
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -28974788
Sum of the proper positive divisors of n
A Arithmetic Mean 0.25
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 4
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 28974789 can be divided by 4 positive divisors. The sum of these divisors (counting 28974789) is 1, the average is 0.25.

Base conversion 28974789

Base System Value
2 Binary 1101110100001111011000101
3 Ternary 2000112001221100
4 Quaternary 1232201323011
5 Quinary 24404143124
6 Senary 2513010313
8 Octal 156417305
10 Decimal 28974789
12 Duodecimal 9853999
16 Hexadecimal 1ba1ec5
20 Vigesimal 911gj9
36 Base36 h9139

Cryptographic Hash Functions

md5 537ffd783a7f89d77b98d558d7608d57
sha1 9e6796edf6697da5e3d22a4fe43b0c088dc82408
sha256 5b6004e6807172f80f48bc9ae15ca58ce037f1b46a88355c77b6b8c85bd86143
sha512 b08329bc7384caff27f7890867e1aefda79a5b5f76ebcb63170de8f2ce6db1f939046e7782de1199532c94e8d5a9214dc313b3b6079652b8f829870c55a88598
ripemd-160 ac2664b7e8b56f89ceb59a48c302592af12a09f9

28974789 as geometric shapes

Circle

Radius = n
Diameter 57949578
Circumference 182053968.52343
Area 2.6374876622895E+15

Sphere

Radius = n
Volume 1.0189419800659E+23
Surface area 1.0549950649158E+16
Circumference 182053968.52343

Square

Length = n
Perimeter 115899156
Area 839538397594521
Diagonal 40976539.570699

Cube

Length = n
Surface area 5037230385567126
Volume 2.4325447927699E+22
Space diagonal 50185806.686588

Equilateral Triangle

Length = n
Perimeter 86924367
Area 3.6353078988467E+14
Altitude 25092903.343294

Triangular Pyramid

Length = n
Surface area 3.6353078988467E+14
Volume 2.8667815308461E+21
Height 13658846.523566