12821755 (number)

12821755 is an odd 8-digits composite number following 12821754 and preceding 12821756. In scientific notation, it is written as 1.2821755 × 10^7. The sum of its digits is 31. It has a total of 2 prime factors and 4 positive divisors. There are 9926400 positive integers (up to 12821755) that are relatively prime to 12821755.

Interesting facts

Basic properties

Name

Name twelve million eight hundred twenty-one thousand seven hundred fifty-five

Notation

Scientific notation 1.2821755 × 10^7
Engineering notation 1.2821755 × 10^6

Prime Factorization of 12821755

Prime Factorization 155 × 82721

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 12821755
Product of the distinct prime numbers

The prime factorization of 12821755 is 155 × 82721. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 12821755)

Multiplication

n×y
n×2 25643510
n×3 38465265
n×4 51287020
n×5 64108775

Division

n÷y
n÷2 6410877.5
n÷3 4273918.3333333
n÷3 3205438.75
n÷5 2564351

Exponentiation

ny
n2 164397401280025
n3 2.1078632018492E+21
n4 2.7026505547626E+28
n5 3.465272326378E+35

Nth Root

y√n
2√n 3580.7478269211
3√n 234.05386905987
4√n 59.839350154569
5√n 26.399122715131

Divisors of 12821755

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 -12821754
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 12821755 can be divided by 4 positive divisors. The sum of these divisors (counting 12821755) is 1, the average is 0.25.

Base conversion 12821755

Base System Value
2 Binary 110000111010010011111011
3 Ternary 220010102010211
4 Quaternary 300322103323
5 Quinary 11240244010
6 Senary 1134451551
8 Octal 60722373
10 Decimal 12821755
12 Duodecimal 4363bb7
16 Hexadecimal c3a4fb
20 Vigesimal 402e7f
36 Base36 7mtbv

Cryptographic Hash Functions

md5 434fbf5d3c52f99cfd79eab93c64fc98
sha1 49eb73bbe015e5c15b47b89e1557ce6cd57e28d1
sha256 5d7b03560a43925e3331e32d3895b5e2d1e432704d2098f990a13a8a77598a0c
sha512 8be8013234968636a7f7cf9756014f30800af3d45216e257db6b193d9b701a6654d8682ad043b08309081fd67c2346d5ec9516727e224fd7a7cf96ea6ad1fbea
ripemd-160 cc1da563ec363af81f4e0fb5cb9b0229a2bc445c

12821755 as geometric shapes

Circle

Radius = n
Diameter 25643510
Circumference 80561462.628256
Area 5.1646966813058E+14

Sphere

Radius = n
Volume 8.8293967329355E+21
Surface area 2.0658786725223E+15
Circumference 80561462.628256

Square

Length = n
Perimeter 51287020
Area 164397401280025
Diagonal 18132699.814425

Cube

Length = n
Surface area 986384407680150
Volume 2.1078632018492E+21
Space diagonal 22207931.1022

Equilateral Triangle

Length = n
Perimeter 38465265
Area 71186162912323
Altitude 11103965.5511

Triangular Pyramid

Length = n
Surface area 71186162912323
Volume 2.4841406064019E+20
Height 6044233.271475