12821645 (number)

12821645 is an odd 8-digits composite number following 12821644 and preceding 12821646. In scientific notation, it is written as 1.2821645 × 10^7. The sum of its digits is 29. It has a total of 2 prime factors and 4 positive divisors. There are 10257312 positive integers (up to 12821645) that are relatively prime to 12821645.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 1.2821645 × 10^7
Engineering notation 1.2821645 × 10^6

Prime Factorization of 12821645

Prime Factorization 5 × 2564329

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 12821645
Product of the distinct prime numbers

The prime factorization of 12821645 is 5 × 2564329. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 12821645)

Multiplication

n×y
n×2 25643290
n×3 38464935
n×4 51286580
n×5 64108225

Division

n÷y
n÷2 6410822.5
n÷3 4273881.6666667
n÷3 3205411.25
n÷5 2564329

Exponentiation

ny
n2 164394580506025
n3 2.1078089511722E+21
n4 2.7025578099752E+28
n5 3.4651236831479E+35

Nth Root

y√n
2√n 3580.7324669682
3√n 234.05319972874
4√n 59.839221811185
5√n 26.39907741847

Divisors of 12821645

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 -12821644
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 12821645 can be divided by 4 positive divisors. The sum of these divisors (counting 12821645) is 1, the average is 0.25.

Base conversion 12821645

Base System Value
2 Binary 110000111010010010001101
3 Ternary 220010101222202
4 Quaternary 300322102031
5 Quinary 11240243040
6 Senary 1134451245
8 Octal 60722215
10 Decimal 12821645
12 Duodecimal 4363b25
16 Hexadecimal c3a48d
20 Vigesimal 402e25
36 Base36 7mt8t

Cryptographic Hash Functions

md5 96291a2e3f9b9ec7e8d83f8032042c3d
sha1 9bd33bd7954d0de09626392e5805213b82bc3a8a
sha256 1503b7a09a7d9aa46398268469468dc783e22cabf9e311596d3abc6e33719189
sha512 42fb92a0292ca9062ec196e473025c728087e5997ba6c9296da35e823170d768e2a14cfbbc45305dd183a25054bcb249ee1bbc69458ba3c085da7d9cc67da2d2
ripemd-160 34923e4041d98eedf302a558125607d6c8e8a002

12821645 as geometric shapes

Circle

Radius = n
Diameter 25643290
Circumference 80560771.477873
Area 5.164608064077E+14

Sphere

Radius = n
Volume 8.8291694882311E+21
Surface area 2.0658432256308E+15
Circumference 80560771.477873

Square

Length = n
Perimeter 51286580
Area 164394580506025
Diagonal 18132544.250933

Cube

Length = n
Surface area 986367483036150
Volume 2.1078089511722E+21
Space diagonal 22207740.576611

Equilateral Triangle

Length = n
Perimeter 38464935
Area 71184941481352
Altitude 11103870.288306

Triangular Pyramid

Length = n
Surface area 71184941481352
Volume 2.4840766713659E+20
Height 6044181.4169777