28398428 (number)

28398428 is an even 8-digits composite number following 28398427 and preceding 28398429. In scientific notation, it is written as 2.8398428 × 10^7. The sum of its digits is 44. It has a total of 4 prime factors and 12 positive divisors. There are 13966320 positive integers (up to 28398428) that are relatively prime to 28398428.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.8398428 × 10^7
Engineering notation 2.8398428 × 10^6

Prime Factorization of 28398428

Prime Factorization 2 × 2 × 61 × 116387

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 14199214
Product of the distinct prime numbers

The prime factorization of 28398428 is 2 × 2 × 61 × 116387. Since it has a total of 4 prime factors.

Most popular turbo-numbers

9, 9, 85, 47, 532, 763, 895, 1968, 42068, 99203, 583705, 395012, 9401883, 6781724, 54633325, 50670027, 545315992, 709781527, 9932912897, 8502136988

Basic calculations (n = 28398428)

Multiplication

n×y
n×2 56796856
n×3 85195284
n×4 113593712
n×5 141992140

Division

n÷y
n÷2 14199214
n÷3 9466142.6666667
n÷3 7099607
n÷5 5679685.6

Exponentiation

ny
n2 806470712871184
n3 2.2902500473581E+22
n4 6.5039501071896E+29
n5 1.8470195883461E+37

Nth Root

y√n
2√n 5329.0175454768
3√n 305.09243100212
4√n 73.0001201744
5√n 30.949872200495

Divisors of 28398428

1, 2, 4, 61, 122, 244, 116387, 232774, 465548, 7099607, 14199214, 28398428

12 divisors

τ Total Divisors 12
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -28398427
Sum of the proper positive divisors of n
A Arithmetic Mean 0.083333333333333
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 12
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 28398428 can be divided by 12 positive divisors. The sum of these divisors (counting 28398428) is 1, the average is 0.083333333333333.

Base conversion 28398428

Base System Value
2 Binary 1101100010101001101011100
3 Ternary 1222102210022122
4 Quaternary 1230111031130
5 Quinary 24232222203
6 Senary 2452402112
8 Octal 154251534
10 Decimal 28398428
12 Duodecimal 9616338
16 Hexadecimal 1b1535c
20 Vigesimal 8h9g18
36 Base36 gwod8

Cryptographic Hash Functions

md5 3f04fcb36b5829d816c3b4fa43f19903
sha1 920e7049dd7e765b80c1b4a884b84dce64de9bc5
sha256 aad370c6f7484c2568bb1481b5d5444ad64ebbd17017a2b1e333f1d73edeeabb
sha512 3a22c8224ccdca0c55aec82fa6cd3def1fcacc7e6135a0ed7f43513ac23a5706979becc8962b05b996993a06b565a8fc973d73b01fd8707eba3f13a87846cbf5
ripemd-160 0f1a0de706ca15dbc8792034d31303f49366a97e

28398428 as geometric shapes

Circle

Radius = n
Diameter 56796856
Circumference 178432585.5566
Area 2.5336024668914E+15

Sphere

Radius = n
Volume 9.5933769648852E+22
Surface area 1.0134409867566E+16
Circumference 178432585.5566

Square

Length = n
Perimeter 113593712
Area 806470712871184
Diagonal 40161442.027676

Cube

Length = n
Surface area 4838824277227104
Volume 2.2902500473581E+22
Space diagonal 49187520.151087

Equilateral Triangle

Length = n
Perimeter 85195284
Area 3.492120623773E+14
Altitude 24593760.075543

Triangular Pyramid

Length = n
Surface area 3.492120623773E+14
Volume 2.6990855651662E+21
Height 13387147.342559