12821665 (number)

12821665 is an odd 8-digits composite number following 12821664 and preceding 12821666. In scientific notation, it is written as 1.2821665 × 10^7. The sum of its digits is 31. It has a total of 2 prime factors and 4 positive divisors. There are 10257328 positive integers (up to 12821665) that are relatively prime to 12821665.

Interesting facts

Basic properties

Name

Name twelve million eight hundred twenty-one thousand six hundred sixty-five

Notation

Scientific notation 1.2821665 × 10^7
Engineering notation 1.2821665 × 10^6

Prime Factorization of 12821665

Prime Factorization 5 × 2564333

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 12821665
Product of the distinct prime numbers

The prime factorization of 12821665 is 5 × 2564333. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 12821665)

Multiplication

n×y
n×2 25643330
n×3 38464995
n×4 51286660
n×5 64108325

Division

n÷y
n÷2 6410832.5
n÷3 4273888.3333333
n÷3 3205416.25
n÷5 2564333

Exponentiation

ny
n2 164395093372225
n3 2.1078188148624E+21
n4 2.7025746724863E+28
n5 3.4651507088104E+35

Nth Root

y√n
2√n 3580.7352596918
3√n 234.0533214256
4√n 59.839245146407
5√n 26.399085654249

Divisors of 12821665

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 -12821664
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 12821665 can be divided by 4 positive divisors. The sum of these divisors (counting 12821665) is 1, the average is 0.25.

Base conversion 12821665

Base System Value
2 Binary 110000111010010010100001
3 Ternary 220010102000111
4 Quaternary 300322102201
5 Quinary 11240243130
6 Senary 1134451321
8 Octal 60722241
10 Decimal 12821665
12 Duodecimal 4363b41
16 Hexadecimal c3a4a1
20 Vigesimal 402e35
36 Base36 7mt9d

Cryptographic Hash Functions

md5 7767c2014f18f6e2f09136f02327be88
sha1 1f5a039b9d9ebcc5efdaf29adeeb5ae7b13572c5
sha256 6338f4ba744c4a2d9a357cf956a6c44f29a309b4ae93e2e3245c2014c6dbff06
sha512 320bb82cd8dbad517372ba88f207a9235dcbf9d521a9a5a3d95098e8e4b2c66aefbb7686a37cf94be35836673e18a90ac2a4266081af35a799415722facfea16
ripemd-160 fa4656ad2f021efa6c9f51eb74aa0f284cfe781d

12821665 as geometric shapes

Circle

Radius = n
Diameter 25643330
Circumference 80560897.141579
Area 5.1646241762439E+14

Sphere

Radius = n
Volume 8.82921080516E+21
Surface area 2.0658496704976E+15
Circumference 80560897.141579

Square

Length = n
Perimeter 51286660
Area 164395093372225
Diagonal 18132572.535204

Cube

Length = n
Surface area 986370560233350
Volume 2.1078188148624E+21
Space diagonal 22207775.217628

Equilateral Triangle

Length = n
Perimeter 38464995
Area 71185163558931
Altitude 11103887.608814

Triangular Pyramid

Length = n
Surface area 71185163558931
Volume 2.4840882958363E+20
Height 6044190.8450681