12812961 (number)

12812961 is an odd 8-digits composite number following 12812960 and preceding 12812962. In scientific notation, it is written as 1.2812961 × 10^7. The sum of its digits is 30. It has a total of 5 prime factors and 24 positive divisors. There are 7240800 positive integers (up to 12812961) that are relatively prime to 12812961.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 1.2812961 × 10^7
Engineering notation 1.2812961 × 10^6

Prime Factorization of 12812961

Prime Factorization 3 × 7 × 7 × 101 × 863

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 1830423
Product of the distinct prime numbers

The prime factorization of 12812961 is 3 × 7 × 7 × 101 × 863. Since it has a total of 5 prime factors.

Most popular turbo-numbers

Basic calculations (n = 12812961)

Multiplication

n×y
n×2 25625922
n×3 38438883
n×4 51251844
n×5 64064805

Division

n÷y
n÷2 6406480.5
n÷3 4270987
n÷3 3203240.25
n÷5 2562592.2

Exponentiation

ny
n2 164171969587521
n3 2.1035290436181E+21
n4 2.6952435598246E+28
n5 3.4534050617534E+35

Nth Root

y√n
2√n 3579.5196605131
3√n 234.00034699342
4√n 59.829087077383
5√n 26.3955004715

Divisors of 12812961

24 divisors

τ Total Divisors 24
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -12812960
Sum of the proper positive divisors of n
A Arithmetic Mean 0.041666666666667
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 24
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 12812961 can be divided by 24 positive divisors. The sum of these divisors (counting 12812961) is 1, the average is 0.041666666666667.

Base conversion 12812961

Base System Value
2 Binary 110000111000001010100001
3 Ternary 220002222002010
4 Quaternary 300320022201
5 Quinary 11240003321
6 Senary 1134343133
8 Octal 60701241
10 Decimal 12812961
12 Duodecimal 435aaa9
16 Hexadecimal c382a1
20 Vigesimal 401c81
36 Base36 7mmjl

Cryptographic Hash Functions

md5 ed14aa87f25639e45505112497303c54
sha1 3f50faf145f61de7692b1d800f8bf254b76e55c2
sha256 fe5c6efa9b6ae02795eaa9733ed89c91e7ac2b21a7f0934eba8024f5ffbfa033
sha512 4a99b99cc586887957b5dc393defe5ef72d8efccfce1291cd34be1dde4c1d1ffafa465504110d140f335767ab1f55a9c81f54a7501ae0d87e8ffeda1cb926283
ripemd-160 3a287c75528631281e1818d2ca447da8e87f8d25

12812961 as geometric shapes

Circle

Radius = n
Diameter 25625922
Circumference 80506208.296665
Area 5.1576145358152E+14

Sphere

Radius = n
Volume 8.8112418533911E+21
Surface area 2.0630458143261E+15
Circumference 80506208.296665

Square

Length = n
Perimeter 51251844
Area 164171969587521
Diagonal 18120263.220358

Cube

Length = n
Surface area 985031817525126
Volume 2.1035290436181E+21
Space diagonal 22192699.447399

Equilateral Triangle

Length = n
Perimeter 38438883
Area 71088548126060
Altitude 11096349.723699

Triangular Pyramid

Length = n
Surface area 71088548126060
Volume 2.479032751942E+20
Height 6040087.7401192