21472561 (number)

21472561 is an odd 8-digits composite number following 21472560 and preceding 21472562. In scientific notation, it is written as 2.1472561 × 10^7. The sum of its digits is 28. It has a total of 4 prime factors and 16 positive divisors. There are 18620800 positive integers (up to 21472561) that are relatively prime to 21472561.

Interesting facts

Basic properties

Name

Name twenty-one million four hundred seventy-two thousand five hundred sixty-one

Notation

Scientific notation 2.1472561 × 10^7
Engineering notation 2.1472561 × 10^6

Prime Factorization of 21472561

Prime Factorization 11 × 47 × 41 × 1013

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 21472561
Product of the distinct prime numbers

The prime factorization of 21472561 is 11 × 47 × 41 × 1013. Since it has a total of 4 prime factors.

Most popular turbo-numbers

6, 2, 50, 56, 597, 562, 3434, 3109, 35898, 55955, 997055, 484079, 7034976, 7277972, 82586125, 31773825, 391256820, 852987301, 3575285142, 8402567611

Basic calculations (n = 21472561)

Multiplication

n×y
n×2 42945122
n×3 64417683
n×4 85890244
n×5 107362805

Division

n÷y
n÷2 10736280.5
n÷3 7157520.3333333
n÷3 5368140.25
n÷5 4294512.2

Exponentiation

ny
n2 461070875898721
n3 9.9003725080587E+21
n4 2.1258635260201E+29
n5 4.5647734240142E+36

Nth Root

y√n
2√n 4633.8494796443
3√n 277.94654614647
4√n 68.072384118997
5√n 29.26690305798

Divisors of 21472561

1, 11, 41, 47, 451, 517, 1013, 1927, 11143, 21197, 41533, 47611, 456863, 523721, 1952051, 21472561

16 divisors

τ Total Divisors 16
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21472560
Sum of the proper positive divisors of n
A Arithmetic Mean 0.0625
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 16
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21472561 can be divided by 16 positive divisors. The sum of these divisors (counting 21472561) is 1, the average is 0.0625.

Base conversion 21472561

Base System Value
2 Binary 1010001111010010100110001
3 Ternary 1111101220211001
4 Quaternary 1101322110301
5 Quinary 20444110221
6 Senary 2044122001
8 Octal 121722461
10 Decimal 21472561
12 Duodecimal 7236301
16 Hexadecimal 147a531
20 Vigesimal 6e4181
36 Base36 cs8c1

Cryptographic Hash Functions

md5 2c46b4510e8663d0c048a3768f3c7218
sha1 aeebfee105fcb59c5e3b0f5c9d98f860966d090f
sha256 24ea7daa6564a291342d039922e8584bb952a2899828ef4f9c3e3f18b397a805
sha512 662b2e9662d1fa689df2f439553d89bfbdecd90005f5e7a675d47417361af3ea0a0021e2c05da520151a4c9cee8a182e61b5eda5cbcf9ef31ccd7f3ee8377ca9
ripemd-160 a052aa5d3224e5ef0bef584195a737eb335bfdcc

21472561 as geometric shapes

Circle

Radius = n
Diameter 42945122
Circumference 134916079.78272
Area 1.4484968765076E+15

Sphere

Radius = n
Volume 4.1470583385493E+22
Surface area 5.7939875060305E+15
Circumference 134916079.78272

Square

Length = n
Perimeter 85890244
Area 461070875898721
Diagonal 30366786.985084

Cube

Length = n
Surface area 2766425255392326
Volume 9.9003725080587E+21
Space diagonal 37191566.620622

Equilateral Triangle

Length = n
Perimeter 64417683
Area 1.9964954573672E+14
Altitude 18595783.310311

Triangular Pyramid

Length = n
Surface area 1.9964954573672E+14
Volume 1.1667700894535E+21
Height 10122262.328361