20128591 (number)

20128591 is an odd 8-digits composite number following 20128590 and preceding 20128592. In scientific notation, it is written as 2.0128591 × 10^7. The sum of its digits is 28. It has a total of 3 prime factors and 8 positive divisors. There are 17211480 positive integers (up to 20128591) that are relatively prime to 20128591.

Interesting facts

Basic properties

Name

Name twenty million one hundred twenty-eight thousand five hundred ninety-one

Notation

Scientific notation 2.0128591 × 10^7
Engineering notation 2.0128591 × 10^6

Prime Factorization of 20128591

Prime Factorization 7 × 443 × 6491

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 20128591
Product of the distinct prime numbers

The prime factorization of 20128591 is 7 × 443 × 6491. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20128591)

Multiplication

n×y
n×2 40257182
n×3 60385773
n×4 80514364
n×5 100642955

Division

n÷y
n÷2 10064295.5
n÷3 6709530.3333333
n÷3 5032147.75
n÷5 4025718.2

Exponentiation

ny
n2 405160175645281
n3 8.155303465052E+21
n4 1.6415476792891E+29
n5 3.304204184341E+36

Nth Root

y√n
2√n 4486.4898305914
3√n 272.02226875782
4√n 66.981264773005
5√n 28.89100670544

Divisors of 20128591

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 -20128590
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 20128591 can be divided by 8 positive divisors. The sum of these divisors (counting 20128591) is 1, the average is 0.125.

Base conversion 20128591

Base System Value
2 Binary 1001100110010001101001111
3 Ternary 1101212122020101
4 Quaternary 1030302031033
5 Quinary 20123103331
6 Senary 1555231531
8 Octal 114621517
10 Decimal 20128591
12 Duodecimal 68a85a7
16 Hexadecimal 133234f
20 Vigesimal 65g19b
36 Base36 bzfbj

Cryptographic Hash Functions

md5 ab2637b78b96124751a3bea9ccfc2ebd
sha1 2688eb8bcd3522a041ec357a792e063c86bd34dd
sha256 0918dc01e50ebecf818abc00041e4072202d9971b331b105d152a8e6f201cf79
sha512 c2ef82eedfe5a0b1e2af5d7b7ea84470976aaa8ee2a2640dd140658f3be7cbeed6264cf2f2b4d92780ef699adf6bfe5bf2a3f06c39480d8f8af3e20c19df895c
ripemd-160 5aa94639d227030b96e6f55d9b382dedba4ad6be

20128591 as geometric shapes

Circle

Radius = n
Diameter 40257182
Circumference 126471667.22543
Area 1.2728482313344E+15

Sphere

Radius = n
Volume 3.416085527147E+22
Surface area 5.0913929253375E+15
Circumference 126471667.22543

Square

Length = n
Perimeter 80514364
Area 405160175645281
Diagonal 28466126.383661

Cube

Length = n
Surface area 2430961053871686
Volume 8.155303465052E+21
Space diagonal 34863742.296774

Equilateral Triangle

Length = n
Perimeter 60385773
Area 1.7543950235529E+14
Altitude 17431871.148387

Triangular Pyramid

Length = n
Surface area 1.7543950235529E+14
Volume 9.6111173046207E+20
Height 9488708.7945537