20156521 (number)

20156521 is an odd 8-digits composite number following 20156520 and preceding 20156522. In scientific notation, it is written as 2.0156521 × 10^7. The sum of its digits is 22. It has a total of 3 prime factors and 8 positive divisors. There are 15706320 positive integers (up to 20156521) that are relatively prime to 20156521.

Interesting facts

Basic properties

Name

Name twenty million one hundred fifty-six thousand five hundred twenty-one

Notation

Scientific notation 2.0156521 × 10^7
Engineering notation 2.0156521 × 10^6

Prime Factorization of 20156521

Prime Factorization 7 × 11 × 261773

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 20156521
Product of the distinct prime numbers

The prime factorization of 20156521 is 7 × 11 × 261773. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20156521)

Multiplication

n×y
n×2 40313042
n×3 60469563
n×4 80626084
n×5 100782605

Division

n÷y
n÷2 10078260.5
n÷3 6718840.3333333
n÷3 5039130.25
n÷5 4031304.2

Exponentiation

ny
n2 406285338823441
n3 8.1892989639868E+21
n4 1.6506777654288E+29
n5 3.3271921043098E+36

Nth Root

y√n
2√n 4489.6014299713
3√n 272.14802802553
4√n 67.004488133044
5√n 28.89901996698

Divisors of 20156521

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 -20156520
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 20156521 can be divided by 8 positive divisors. The sum of these divisors (counting 20156521) is 1, the average is 0.125.

Base conversion 20156521

Base System Value
2 Binary 1001100111001000001101001
3 Ternary 1101221001112211
4 Quaternary 1030321001221
5 Quinary 20130002041
6 Senary 2000005121
8 Octal 114710151
10 Decimal 20156521
12 Duodecimal 69007a1
16 Hexadecimal 1339069
20 Vigesimal 65jb61
36 Base36 c00vd

Cryptographic Hash Functions

md5 9d4cccd3a2d4445d6d827a1c273631fa
sha1 d1a96dcd73d75327b6aab321f65ffdbe9744368d
sha256 29ca1f3702960663c1efc96cb99b9761644759e3846dd5a50583964695696890
sha512 55ca82f049508976d3197e487e336ffecf7741fc2bbfd3d0358c665026744baa6ae1d658f671b1a2d143a148a1f370564d63b437782f321fea1fc2c93e7d3ef8
ripemd-160 1e63ba7de0cf500ce519998428623c65899dcd81

20156521 as geometric shapes

Circle

Radius = n
Diameter 40313042
Circumference 126647156.59106
Area 1.276383035709E+15

Sphere

Radius = n
Volume 3.4303255284415E+22
Surface area 5.1055321428358E+15
Circumference 126647156.59106

Square

Length = n
Perimeter 80626084
Area 406285338823441
Diagonal 28505625.368458

Cube

Length = n
Surface area 2437712032940646
Volume 8.1892989639868E+21
Space diagonal 34912118.475829

Equilateral Triangle

Length = n
Perimeter 60469563
Area 1.7592671230313E+14
Altitude 17456059.237915

Triangular Pyramid

Length = n
Surface area 1.7592671230313E+14
Volume 9.6511813843317E+20
Height 9501875.1228194