12181421 (number)

12181421 is an odd 8-digits composite number following 12181420 and preceding 12181422. In scientific notation, it is written as 1.2181421 × 10^7. The sum of its digits is 20. It has a total of 3 prime factors and 8 positive divisors. There are 9639168 positive integers (up to 12181421) that are relatively prime to 12181421.

Interesting facts

Basic properties

Name

Name twelve million one hundred eighty-one thousand four hundred twenty-one

Notation

Scientific notation 1.2181421 × 10^7
Engineering notation 1.2181421 × 10^6

Prime Factorization of 12181421

Prime Factorization 667 × 7 × 2609

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 12181421
Product of the distinct prime numbers

The prime factorization of 12181421 is 667 × 7 × 2609. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 12181421)

Multiplication

n×y
n×2 24362842
n×3 36544263
n×4 48725684
n×5 60907105

Division

n÷y
n÷2 6090710.5
n÷3 4060473.6666667
n÷3 3045355.25
n÷5 2436284.2

Exponentiation

ny
n2 148387017579241
n3 1.8075647320671E+21
n4 2.2018706986062E+28
n5 2.6821913967286E+35

Nth Root

y√n
2√n 3490.1892498832
3√n 230.09083368763
4√n 59.077823672535
5√n 26.13001088286

Divisors of 12181421

8 divisors

τ Total Divisors 8
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -12181420
Sum of the proper positive divisors of n
A Arithmetic Mean 0.125
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 8
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 12181421 can be divided by 8 positive divisors. The sum of these divisors (counting 12181421) is 1, the average is 0.125.

Base conversion 12181421

Base System Value
2 Binary 101110011101111110101101
3 Ternary 211220212202202
4 Quaternary 232131332231
5 Quinary 11104301141
6 Senary 1113031245
8 Octal 56357655
10 Decimal 12181421
12 Duodecimal 40b5525
16 Hexadecimal b9dfad
20 Vigesimal 3g2db1
36 Base36 7938t

Cryptographic Hash Functions

md5 d8a87420d9798dc8fa9bd189fb1e393f
sha1 5432aa1134a144914e997685aec3eb456f6ceef8
sha256 5fef3485469064df494b6fea58f282d2a62ac3d69310592f3dfb9c4abc2c341f
sha512 c93b603b215ca4836d35e66925e8272105323f17f644f63b1b0018273c8103ca92f0b8d4dea0960dc0892743e36136d1434712378cdc0d5bccd9c67e2878869c
ripemd-160 bb183130344a45bf8c6be4d3fbde5b90901a1db0

12181421 as geometric shapes

Circle

Radius = n
Diameter 24362842
Circumference 76538125.447769
Area 4.6617156431504E+14

Sphere

Radius = n
Volume 7.5715094442002E+21
Surface area 1.8646862572602E+15
Circumference 76538125.447769

Square

Length = n
Perimeter 48725684
Area 148387017579241
Diagonal 17227130.787176

Cube

Length = n
Surface area 890322105475446
Volume 1.8075647320671E+21
Space diagonal 21098840.080386

Equilateral Triangle

Length = n
Perimeter 36544263
Area 64253463407715
Altitude 10549420.040193

Triangular Pyramid

Length = n
Surface area 64253463407715
Volume 2.1302354657972E+20
Height 5742376.9290588