28156940 (number)

28156940 is an even 8-digits composite number following 28156939 and preceding 28156941. In scientific notation, it is written as 2.8156940 × 10^7. The sum of its digits is 35. It has a total of 5 prime factors and 24 positive divisors. There are 9653760 positive integers (up to 28156940) that are relatively prime to 28156940.

Interesting facts

Basic properties

Name

Name twenty-eight million one hundred fifty-six thousand nine hundred forty

Notation

Scientific notation 2.8156940 × 10^7
Engineering notation 2.8156940 × 10^6

Prime Factorization of 28156940

Prime Factorization 2 × 2 × 5 × 7 × 201121

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 14078470
Product of the distinct prime numbers

The prime factorization of 28156940 is 2 × 2 × 5 × 7 × 201121. Since it has a total of 5 prime factors.

Most popular turbo-numbers

Basic calculations (n = 28156940)

Multiplication

n×y
n×2 56313880
n×3 84470820
n×4 112627760
n×5 140784700

Division

n÷y
n÷2 14078470
n÷3 9385646.6666667
n÷3 7039235
n÷5 5631388

Exponentiation

ny
n2 792813270163600
n3 2.23231956792E+22
n4 6.285528813475E+29
n5 1.7698125766929E+37

Nth Root

y√n
2√n 5306.3113365124
3√n 304.22517654267
4√n 72.844432433182
5√n 30.897055364496

Divisors of 28156940

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 -28156939
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 28156940 can be divided by 24 positive divisors. The sum of these divisors (counting 28156940) is 1, the average is 0.041666666666667.

Base conversion 28156940

Base System Value
2 Binary 1101011011010010000001100
3 Ternary 1221222112001122
4 Quaternary 1223122100030
5 Quinary 24202010230
6 Senary 2443300112
8 Octal 153322014
10 Decimal 28156940
12 Duodecimal 951a638
16 Hexadecimal 1ada40c
20 Vigesimal 8fjc70
36 Base36 gri18

Cryptographic Hash Functions

md5 14c147cfdc9ed224bfb6bc409dba2d94
sha1 8f8d50f0fb9092d937dc2a49d17a07afa6269c2e
sha256 7c07708ad7225099f2fe6a2519b147e880a5c372630e02a39d77b5814112111a
sha512 ef4513d87286a2741ed00775870586a95944df371231e1937c544a56250eec9347039e01bb3756991203763a0ea95dab5e54654cce7c5e41927f86aca9bafe3c
ripemd-160 2c00ec6e66cbaa4e6e1692d8e4414e65382e5453

28156940 as geometric shapes

Circle

Radius = n
Diameter 56313880
Circumference 176915271.70314
Area 2.4906963452145E+15

Sphere

Radius = n
Volume 9.3507183400564E+22
Surface area 9.9627853808579E+15
Circumference 176915271.70314

Square

Length = n
Perimeter 112627760
Area 792813270163600
Diagonal 39819926.422925

Cube

Length = n
Surface area 4756879620981600
Volume 2.23231956792E+22
Space diagonal 48769250.665668

Equilateral Triangle

Length = n
Perimeter 84470820
Area 3.4329821620955E+14
Altitude 24384625.332834

Triangular Pyramid

Length = n
Surface area 3.4329821620955E+14
Volume 2.6308138404195E+21
Height 13273308.807642