12821861 (number)

12821861 is an odd 8-digits composite number following 12821860 and preceding 12821862. In scientific notation, it is written as 1.2821861 × 10^7. The sum of its digits is 29. It has a total of 2 prime factors and 4 positive divisors. There are 11835408 positive integers (up to 12821861) that are relatively prime to 12821861.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 1.2821861 × 10^7
Engineering notation 1.2821861 × 10^6

Prime Factorization of 12821861

Prime Factorization 169 × 75869

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 12821861
Product of the distinct prime numbers

The prime factorization of 12821861 is 169 × 75869. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 12821861)

Multiplication

n×y
n×2 25643722
n×3 38465583
n×4 51287444
n×5 64109305

Division

n÷y
n÷2 6410930.5
n÷3 4273953.6666667
n÷3 3205465.25
n÷5 2564372.2

Exponentiation

ny
n2 164400119503321
n3 2.107915480655E+21
n4 2.7027399292706E+28
n5 3.4654155692258E+35

Nth Root

y√n
2√n 3580.7626282679
3√n 234.05451404806
4√n 59.839473830139
5√n 26.399166364347

Divisors of 12821861

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 -12821860
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 12821861 can be divided by 4 positive divisors. The sum of these divisors (counting 12821861) is 1, the average is 0.25.

Base conversion 12821861

Base System Value
2 Binary 110000111010010101100101
3 Ternary 220010102021202
4 Quaternary 300322111211
5 Quinary 11240244421
6 Senary 1134452245
8 Octal 60722545
10 Decimal 12821861
12 Duodecimal 4364085
16 Hexadecimal c3a565
20 Vigesimal 402ed1
36 Base36 7mtet

Cryptographic Hash Functions

md5 e9da6c608bf70f54748fdb7062758dae
sha1 514e8fadb451485591cde35349d6d804eda5101e
sha256 4c78832bde4ebc5a2355c1b3831db8a6256f5392ca4d529e8aee21d0bd8bd581
sha512 32c6e1c8dd5da54e10b164226965c631b04fe752d94641de4970ac1d609ce5f45d4c6cbd80d48ba04b0fe46ef32215c4b59b7000b9ef7a349747c8b171092d59
ripemd-160 37994921840ea7a91366f7df6a4247e20415fa99

12821861 as geometric shapes

Circle

Radius = n
Diameter 25643722
Circumference 80562128.645899
Area 5.1647820768092E+14

Sphere

Radius = n
Volume 8.8296157178851E+21
Surface area 2.0659128307237E+15
Circumference 80562128.645899

Square

Length = n
Perimeter 51287444
Area 164400119503321
Diagonal 18132849.721063

Cube

Length = n
Surface area 986400717019926
Volume 2.107915480655E+21
Space diagonal 22208114.699586

Equilateral Triangle

Length = n
Perimeter 38465583
Area 71187339937537
Altitude 11104057.349793

Triangular Pyramid

Length = n
Surface area 71187339937537
Volume 2.4842022175654E+20
Height 6044283.2403542