21568321 (number)

21568321 is an odd 8-digits composite number following 21568320 and preceding 21568322. In scientific notation, it is written as 2.1568321 × 10^7. The sum of its digits is 28. It has a total of 2 prime factors and 4 positive divisors. There are 21410752 positive integers (up to 21568321) that are relatively prime to 21568321.

Interesting facts

Basic properties

Name

Name twenty-one million five hundred sixty-eight thousand three hundred twenty-one

Notation

Scientific notation 2.1568321 × 10^7
Engineering notation 2.1568321 × 10^6

Prime Factorization of 21568321

Prime Factorization 137 × 157433

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 21568321
Product of the distinct prime numbers

The prime factorization of 21568321 is 137 × 157433. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21568321)

Multiplication

n×y
n×2 43136642
n×3 64704963
n×4 86273284
n×5 107841605

Division

n÷y
n÷2 10784160.5
n÷3 7189440.3333333
n÷3 5392080.25
n÷5 4313664.2

Exponentiation

ny
n2 465192470759041
n3 1.0033420536114E+22
n4 2.164040348509E+29
n5 4.6674716893594E+36

Nth Root

y√n
2√n 4644.1706471662
3√n 278.35911442818
4√n 68.148152191869
5√n 29.292960616132

Divisors of 21568321

4 divisors

τ Total Divisors 4
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21568320
Sum of the proper positive divisors of n
A Arithmetic Mean 0.25
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 4
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21568321 can be divided by 4 positive divisors. The sum of these divisors (counting 21568321) is 1, the average is 0.25.

Base conversion 21568321

Base System Value
2 Binary 1010010010001101101000001
3 Ternary 1111120210011201
4 Quaternary 1102101231001
5 Quinary 21010141241
6 Senary 2050141201
8 Octal 122215501
10 Decimal 21568321
12 Duodecimal 7281801
16 Hexadecimal 1491b41
20 Vigesimal 6eg0g1
36 Base36 cua81

Cryptographic Hash Functions

md5 50e03673904cf01fb7b1b25b47bc2b11
sha1 d64c9349898bb3f2257f3c781d55511c93338d2d
sha256 8a06cd33670713fea4caecb3bbd722c73495f125caa1ab7f769a53f192e90f8c
sha512 7d239ff473c7542f20c1c8b232408ffae390d7deb9a4f0f566062940ddf30c6d8802a647f072dccced4781aa9a442a06841de6bda3e25a4435b8ff1592fc4c79
ripemd-160 6c9f10ad33d5b7541c755a9ce58f621473f0f5c3

21568321 as geometric shapes

Circle

Radius = n
Diameter 43136642
Circumference 135517757.60773
Area 1.4614452486419E+15

Sphere

Radius = n
Volume 4.2027893662177E+22
Surface area 5.8457809945676E+15
Circumference 135517757.60773

Square

Length = n
Perimeter 86273284
Area 465192470759041
Diagonal 30502212.075816

Cube

Length = n
Surface area 2791154824554246
Volume 1.0033420536114E+22
Space diagonal 37357427.805955

Equilateral Triangle

Length = n
Perimeter 64704963
Area 2.0143424866329E+14
Altitude 18678713.902977

Triangular Pyramid

Length = n
Surface area 2.0143424866329E+14
Volume 1.1824499499304E+21
Height 10167404.025272