28156738 (number)

28156738 is an even 8-digits composite number following 28156737 and preceding 28156739. In scientific notation, it is written as 2.8156738 × 10^7. The sum of its digits is 40. It has a total of 4 prime factors and 16 positive divisors. There are 13001296 positive integers (up to 28156738) that are relatively prime to 28156738.

Interesting facts

Basic properties

Name

Name twenty-eight million one hundred fifty-six thousand seven hundred thirty-eight

Notation

Scientific notation 2.8156738 × 10^7
Engineering notation 2.8156738 × 10^6

Prime Factorization of 28156738

Prime Factorization 2 × 29 × 23 × 21107

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 28156738
Product of the distinct prime numbers

The prime factorization of 28156738 is 2 × 29 × 23 × 21107. Since it has a total of 4 prime factors.

Most popular turbo-numbers

5, 7, 70, 47, 37, 219, 7524, 9647, 4290, 35199, 131389, 791248, 9484886, 397203, 3953800, 3044935, 216059231, 612463214, 55325653, 9507678758

Basic calculations (n = 28156738)

Multiplication

n×y
n×2 56313476
n×3 84470214
n×4 112626952
n×5 140783690

Division

n÷y
n÷2 14078369
n÷3 9385579.3333333
n÷3 7039184.5
n÷5 5631347.6

Exponentiation

ny
n2 792801894800644
n3 2.2322715237805E+22
n4 6.2853484439949E+29
n5 1.7697490937627E+37

Nth Root

y√n
2√n 5306.2923025404
3√n 304.22444902951
4√n 72.844301784975
5√n 30.89701103281

Divisors of 28156738

1, 2, 23, 29, 46, 58, 667, 1334, 21107, 42214, 485461, 612103, 970922, 1224206, 14078369, 28156738

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 -28156737
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 28156738 can be divided by 16 positive divisors. The sum of these divisors (counting 28156738) is 1, the average is 0.0625.

Base conversion 28156738

Base System Value
2 Binary 1101011011010001101000010
3 Ternary 1221222111210011
4 Quaternary 1223122031002
5 Quinary 24202003423
6 Senary 2443255134
8 Octal 153321502
10 Decimal 28156738
12 Duodecimal 951a4aa
16 Hexadecimal 1ada342
20 Vigesimal 8fjbgi
36 Base36 grhvm

Cryptographic Hash Functions

md5 80fba8e3b2edfd33b28251060132ef73
sha1 53ede7605169451e92fe9a4f6f52cc07b7411a3c
sha256 31854678229f53b56d315d5745c182a867d8f76d45192286bb6a1e147e8bedd3
sha512 fff6197403d24578a0a3ca2b2bb93c09a6a46dd11277bfa2cb3bfee4267d272b542e7b6682fe662f6a06d8e877058b5fc9dd2c6ab26825c0b94e824bd5edbde3
ripemd-160 dc354d91fed1f1914dd92e18b16ca4f3d931b100

28156738 as geometric shapes

Circle

Radius = n
Diameter 56313476
Circumference 176914002.49971
Area 2.4906606084578E+15

Sphere

Radius = n
Volume 9.3505170932355E+22
Surface area 9.9626424338311E+15
Circumference 176914002.49971

Square

Length = n
Perimeter 112626952
Area 792801894800644
Diagonal 39819640.751786

Cube

Length = n
Surface area 4756811368803864
Volume 2.2322715237805E+22
Space diagonal 48768900.791405

Equilateral Triangle

Length = n
Perimeter 84470214
Area 3.432932905329E+14
Altitude 24384450.395703

Triangular Pyramid

Length = n
Surface area 3.432932905329E+14
Volume 2.6307572198581E+21
Height 13273213.583929