20131428 (number)

20131428 is an even 8-digits composite number following 20131427 and preceding 20131429. In scientific notation, it is written as 2.0131428 × 10^7. The sum of its digits is 21. It has a total of 5 prime factors and 24 positive divisors. There are 6648480 positive integers (up to 20131428) that are relatively prime to 20131428.

Interesting facts

Basic properties

Name

Name twenty million one hundred thirty-one thousand four hundred twenty-eight

Notation

Scientific notation 2.0131428 × 10^7
Engineering notation 2.0131428 × 10^6

Prime Factorization of 20131428

Prime Factorization 2 × 2 × 3 × 109 × 15391

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 10065714
Product of the distinct prime numbers

The prime factorization of 20131428 is 2 × 2 × 3 × 109 × 15391. Since it has a total of 5 prime factors.

Most popular turbo-numbers

8, 5, 53, 69, 683, 911, 7346, 6507, 27072, 55286, 144706, 150958, 8680882, 3099452, 37326524, 20190059, 820177568, 665769968, 6982199219, 4925829909

Basic calculations (n = 20131428)

Multiplication

n×y
n×2 40262856
n×3 60394284
n×4 80525712
n×5 100657140

Division

n÷y
n÷2 10065714
n÷3 6710476
n÷3 5032857
n÷5 4026285.6

Exponentiation

ny
n2 405274393319184
n3 8.1587522693488E+21
n4 1.6424733388023E+29
n5 3.3065333762019E+36

Nth Root

y√n
2√n 4486.8059909027
3√n 272.03504810773
4√n 66.983624796682
5√n 28.891821061154

Divisors of 20131428

1, 2, 3, 4, 6, 12, 109, 218, 327, 436, 654, 1308, 15391, 30782, 46173, 61564, 92346, 184692, 1677619, 3355238, 5032857, 6710476, 10065714, 20131428

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 -20131427
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 20131428 can be divided by 24 positive divisors. The sum of these divisors (counting 20131428) is 1, the average is 0.041666666666667.

Base conversion 20131428

Base System Value
2 Binary 1001100110010111001100100
3 Ternary 1101212210010110
4 Quaternary 1030302321210
5 Quinary 20123201203
6 Senary 1555253020
8 Octal 114627144
10 Decimal 20131428
12 Duodecimal 68aa170
16 Hexadecimal 1332e64
20 Vigesimal 65g8b8
36 Base36 bzhic

Cryptographic Hash Functions

md5 b5c162506e7a8e97bb57528d2b874d12
sha1 d99653855dd9b73ca2ec9fbee57510e377f46d6e
sha256 74100bca626ac8794c64f8727ae2930099feda34576bd50763eeadeee5d355dd
sha512 8f9fe9d15e9ce128903229c1f2a22f246adfdd5391cd7af9113fa3ad7194263ef587f4723df944bbcfdc4b3884f6ba2ec88a5c1249c0db7e04e9de5ed095ee20
ripemd-160 1e8b752355212bf258bb5bb6013a2deab2b83c93

20131428 as geometric shapes

Circle

Radius = n
Diameter 40262856
Circumference 126489492.62214
Area 1.2732070567396E+15

Sphere

Radius = n
Volume 3.4175301589127E+22
Surface area 5.0928282269584E+15
Circumference 126489492.62214

Square

Length = n
Perimeter 80525712
Area 405274393319184
Diagonal 28470138.507537

Cube

Length = n
Surface area 2431646359915104
Volume 8.1587522693488E+21
Space diagonal 34868656.124915

Equilateral Triangle

Length = n
Perimeter 60394284
Area 1.7548896005887E+14
Altitude 17434328.062457

Triangular Pyramid

Length = n
Surface area 1.7548896005887E+14
Volume 9.6151817594628E+20
Height 9490046.1691792