12661921 (number)

12661921 is an odd 8-digits composite number following 12661920 and preceding 12661922. In scientific notation, it is written as 1.2661921 × 10^7. The sum of its digits is 28. It has a total of 2 prime factors and 4 positive divisors. There are 12654000 positive integers (up to 12661921) that are relatively prime to 12661921.

Interesting facts

Basic properties

Name

Name twelve million six hundred sixty-one thousand nine hundred twenty-one

Notation

Scientific notation 1.2661921 × 10^7
Engineering notation 1.2661921 × 10^6

Prime Factorization of 12661921

Prime Factorization 2221 × 5701

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 12661921
Product of the distinct prime numbers

The prime factorization of 12661921 is 2221 × 5701. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 12661921)

Multiplication

n×y
n×2 25323842
n×3 37985763
n×4 50647684
n×5 63309605

Division

n÷y
n÷2 6330960.5
n÷3 4220640.3333333
n÷3 3165480.25
n÷5 2532384.2

Exponentiation

ny
n2 160324243410241
n3 2.0300129044452E+21
n4 2.5703863025066E+28
n5 3.2546028301821E+35

Nth Root

y√n
2√n 3558.3593129419
3√n 233.07723989086
4√n 59.651984987441
5√n 26.332974580616

Divisors of 12661921

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 -12661920
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 12661921 can be divided by 4 positive divisors. The sum of these divisors (counting 12661921) is 1, the average is 0.25.

Base conversion 12661921

Base System Value
2 Binary 110000010011010010100001
3 Ternary 212211021220001
4 Quaternary 300103102201
5 Quinary 11220140141
6 Senary 1131220001
8 Octal 60232241
10 Decimal 12661921
12 Duodecimal 42a7601
16 Hexadecimal c134a1
20 Vigesimal 3j2eg1
36 Base36 7je01

Cryptographic Hash Functions

md5 624de94bec07205d9ef22eb613bcf88a
sha1 52b5d746b078786ad987a515b010bd0968fe27f9
sha256 b43dc9d76e139778b8955d359fe6396f22b39b015c95d484be08fdc96f0de8b5
sha512 0f7014905b58bbcbf1cfab09256c56bef354c052a78704a0682e5d35ddae11ae4701902fb3e1c06979df35987eeedd69b6969bc0e4c14f29d4aa5d64328cb0d8
ripemd-160 1d55576af20084541046a3cfafab040b4bc3f259

12661921 as geometric shapes

Circle

Radius = n
Diameter 25323842
Circumference 79557195.987869
Area 5.0367346528995E+14

Sphere

Radius = n
Volume 8.5032981697302E+21
Surface area 2.0146938611598E+15
Circumference 79557195.987869

Square

Length = n
Perimeter 50647684
Area 160324243410241
Diagonal 17906660.403897

Cube

Length = n
Surface area 961945460461446
Volume 2.0300129044452E+21
Space diagonal 21931090.493423

Equilateral Triangle

Length = n
Perimeter 37985763
Area 69422433817894
Altitude 10965545.246712

Triangular Pyramid

Length = n
Surface area 69422433817894
Volume 2.392393151049E+20
Height 5968886.8012989