20128712 (number)

20128712 is an even 8-digits composite number following 20128711 and preceding 20128713. In scientific notation, it is written as 2.0128712 × 10^7. The sum of its digits is 23. It has a total of 4 prime factors and 8 positive divisors. There are 10064352 positive integers (up to 20128712) that are relatively prime to 20128712.

Interesting facts

Basic properties

Name

Name twenty million one hundred twenty-eight thousand seven hundred twelve

Notation

Scientific notation 2.0128712 × 10^7
Engineering notation 2.0128712 × 10^6

Prime Factorization of 20128712

Prime Factorization 2 × 2 × 2 × 2516089

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 5032178
Product of the distinct prime numbers

The prime factorization of 20128712 is 2 × 2 × 2 × 2516089. Since it has a total of 4 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20128712)

Multiplication

n×y
n×2 40257424
n×3 60386136
n×4 80514848
n×5 100643560

Division

n÷y
n÷2 10064356
n÷3 6709570.6666667
n÷3 5032178
n÷5 4025742.4

Exponentiation

ny
n2 405165046778944
n3 8.1554505390799E+21
n4 1.6415871513138E+29
n5 3.3043034991697E+36

Nth Root

y√n
2√n 4486.5033155008
3√n 272.0228138304
4√n 66.98136543473
5√n 28.891041440145

Divisors of 20128712

8 divisors

τ Total Divisors 8
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -20128711
Sum of the proper positive divisors of n
A Arithmetic Mean 0.125
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 8
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20128712 can be divided by 8 positive divisors. The sum of these divisors (counting 20128712) is 1, the average is 0.125.

Base conversion 20128712

Base System Value
2 Binary 1001100110010001111001000
3 Ternary 1101212122101212
4 Quaternary 1030302033020
5 Quinary 20123104322
6 Senary 1555232252
8 Octal 114621710
10 Decimal 20128712
12 Duodecimal 68a8688
16 Hexadecimal 13323c8
20 Vigesimal 65g1fc
36 Base36 bzfew

Cryptographic Hash Functions

md5 bf9e9a1d8729db2b70e59a303a4b1ec3
sha1 e4145acdc1c9689b9eccbc22633c326c1471346c
sha256 e361345e44c5ca5dc5697f25aee2cc10aaa5e7c1fb2f89ef9e6d92f3eb1c843e
sha512 6ea75020979dc5e6ff99544abe6244870b6071e70d503d2033a0cde1a21671594fd755b913ab88f73f251dbcade6d641bd5154a323dabaa428ccb83337490f22
ripemd-160 5be538aec480117e58a362c4d43c7c6fd985e68b

20128712 as geometric shapes

Circle

Radius = n
Diameter 40257424
Circumference 126472427.49085
Area 1.2728635344521E+15

Sphere

Radius = n
Volume 3.4161471333718E+22
Surface area 5.0914541378084E+15
Circumference 126472427.49085

Square

Length = n
Perimeter 80514848
Area 405165046778944
Diagonal 28466297.503502

Cube

Length = n
Surface area 2430990280673664
Volume 8.1554505390799E+21
Space diagonal 34863951.874921

Equilateral Triangle

Length = n
Perimeter 60386136
Area 1.7544161161804E+14
Altitude 17431975.937461

Triangular Pyramid

Length = n
Surface area 1.7544161161804E+14
Volume 9.6112906330248E+20
Height 9488765.8345007