20121569 (number)

20121569 is an odd 8-digits composite number following 20121568 and preceding 20121570. In scientific notation, it is written as 2.0121569 × 10^7. The sum of its digits is 26. It has a total of 3 prime factors and 8 positive divisors. There are 18467856 positive integers (up to 20121569) that are relatively prime to 20121569.

Interesting facts

Basic properties

Name

Name twenty million one hundred twenty-one thousand five hundred sixty-nine

Notation

Scientific notation 2.0121569 × 10^7
Engineering notation 2.0121569 × 10^6

Prime Factorization of 20121569

Prime Factorization 13 × 179 × 8647

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 20121569
Product of the distinct prime numbers

The prime factorization of 20121569 is 13 × 179 × 8647. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20121569)

Multiplication

n×y
n×2 40243138
n×3 60364707
n×4 80486276
n×5 100607845

Division

n÷y
n÷2 10060784.5
n÷3 6707189.6666667
n÷3 5030392.25
n÷5 4024313.8

Exponentiation

ny
n2 404877539021761
n3 8.1467713379766E+21
n4 1.6392582160432E+29
n5 3.298444730293E+36

Nth Root

y√n
2√n 4485.7071906222
3√n 271.99063278727
4√n 66.975422287748
5√n 28.888990658073

Divisors of 20121569

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 -20121568
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 20121569 can be divided by 8 positive divisors. The sum of these divisors (counting 20121569) is 1, the average is 0.125.

Base conversion 20121569

Base System Value
2 Binary 1001100110000011111100001
3 Ternary 1101212021121022
4 Quaternary 1030300133201
5 Quinary 20122342234
6 Senary 1555135225
8 Octal 114603741
10 Decimal 20121569
12 Duodecimal 68a4515
16 Hexadecimal 13307e1
20 Vigesimal 65f3i9
36 Base36 bz9wh

Cryptographic Hash Functions

md5 1134fc60f693240cb1fb8349fd5229e6
sha1 408aa3edb32f2dfdfb864a6eddd504003709791c
sha256 fb0090f072d741fcfae109393d1edff3abd53e39e526cdef02fe9dde4a6302cf
sha512 909269c13ac321a9315b596012db041280033f0fb6679f37948910b48c1f65c1085bfa4ba34fe26b2fbe7b26220982f229a76b26ced60bb8dcbed00b5ccedd7e
ripemd-160 4918f00757a09b56656f7444d3eb14b4e06b6f35

20121569 as geometric shapes

Circle

Radius = n
Diameter 40243138
Circumference 126427546.6982
Area 1.2719603021943E+15

Sphere

Radius = n
Volume 3.4125115981151E+22
Surface area 5.0878412087771E+15
Circumference 126427546.6982

Square

Length = n
Perimeter 80486276
Area 404877539021761
Diagonal 28456195.776026

Cube

Length = n
Surface area 2429265234130566
Volume 8.1467713379766E+21
Space diagonal 34851579.836003

Equilateral Triangle

Length = n
Perimeter 60364707
Area 1.7531711710729E+14
Altitude 17425789.918001

Triangular Pyramid

Length = n
Surface area 1.7531711710729E+14
Volume 9.6010620964324E+20
Height 9485398.5920087