12947821 (number)

12947821 is an odd 8-digits composite number following 12947820 and preceding 12947822. In scientific notation, it is written as 1.2947821 × 10^7. The sum of its digits is 34. It has a total of 2 prime factors and 4 positive divisors. There are 12822012 positive integers (up to 12947821) that are relatively prime to 12947821.

Interesting facts

Basic properties

Name

Name twelve million nine hundred forty-seven thousand eight hundred twenty-one

Notation

Scientific notation 1.2947821 × 10^7
Engineering notation 1.2947821 × 10^6

Prime Factorization of 12947821

Prime Factorization 103 × 125707

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 12947821
Product of the distinct prime numbers

The prime factorization of 12947821 is 103 × 125707. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 12947821)

Multiplication

n×y
n×2 25895642
n×3 38843463
n×4 51791284
n×5 64739105

Division

n÷y
n÷2 6473910.5
n÷3 4315940.3333333
n÷3 3236955.25
n÷5 2589564.2

Exponentiation

ny
n2 167646068648041
n3 2.1706512882085E+21
n4 2.8105204333144E+28
n5 3.6390115487397E+35

Nth Root

y√n
2√n 3598.3080746373
3√n 234.8184564391
4√n 59.985898964984
5√n 26.450832013083

Divisors of 12947821

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 -12947820
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 12947821 can be divided by 4 positive divisors. The sum of these divisors (counting 12947821) is 1, the average is 0.25.

Base conversion 12947821

Base System Value
2 Binary 110001011001000101101101
3 Ternary 220100211001221
4 Quaternary 301121011231
5 Quinary 11303312241
6 Senary 1141303341
8 Octal 61310555
10 Decimal 12947821
12 Duodecimal 4404b51
16 Hexadecimal c5916d
20 Vigesimal 40i9b1
36 Base36 7pilp

Cryptographic Hash Functions

md5 5ccf131cd20591a3a8e54259be792106
sha1 4ae4ebb762716c2395eb8cfe51bb3b54702770bd
sha256 a26345ba65a0de6b56d122cb7b99b30a16e158248b6839fac44819aac2aa0f23
sha512 fa777f643816f6d1e49b4d97aa564718aad3235e8bee9736c39e0500aba0ae92c26875a0aaa5f45ab47e2d0f1d7f516bac08c476ac0ad737687c212e1dd02b0e
ripemd-160 b1427fc3c4d5b9cf463d0002882ea97021edf104

12947821 as geometric shapes

Circle

Radius = n
Diameter 25895642
Circumference 81353558.667191
Area 5.266756576679E+14

Sphere

Radius = n
Volume 9.0924028540549E+21
Surface area 2.1067026306716E+15
Circumference 81353558.667191

Square

Length = n
Perimeter 51791284
Area 167646068648041
Diagonal 18310984.061379

Cube

Length = n
Surface area 1005876411888246
Volume 2.1706512882085E+21
Space diagonal 22426283.819307

Equilateral Triangle

Length = n
Perimeter 38843463
Area 72592877146897
Altitude 11213141.909654

Triangular Pyramid

Length = n
Surface area 72592877146897
Volume 2.558137075806E+20
Height 6103661.3537931