12971921 (number)

12971921 is an odd 8-digits composite number following 12971920 and preceding 12971922. In scientific notation, it is written as 1.2971921 × 10^7. The sum of its digits is 32. It has a total of 2 prime factors and 4 positive divisors. There are 12964644 positive integers (up to 12971921) that are relatively prime to 12971921.

Interesting facts

Basic properties

Name

Name twelve million nine hundred seventy-one thousand nine hundred twenty-one

Notation

Scientific notation 1.2971921 × 10^7
Engineering notation 1.2971921 × 10^6

Prime Factorization of 12971921

Prime Factorization 4159 × 3119

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 12971921
Product of the distinct prime numbers

The prime factorization of 12971921 is 4159 × 3119. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 12971921)

Multiplication

n×y
n×2 25943842
n×3 38915763
n×4 51887684
n×5 64859605

Division

n÷y
n÷2 6485960.5
n÷3 4323973.6666667
n÷3 3242980.25
n÷5 2594384.2

Exponentiation

ny
n2 168270734430241
n3 2.1827946736411E+21
n4 2.8315040065693E+28
n5 3.67300462844E+35

Nth Root

y√n
2√n 3601.65531388
3√n 234.96405667265
4√n 60.013792697013
5√n 26.460671367072

Divisors of 12971921

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 -12971920
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 12971921 can be divided by 4 positive divisors. The sum of these divisors (counting 12971921) is 1, the average is 0.25.

Base conversion 12971921

Base System Value
2 Binary 110001011110111110010001
3 Ternary 220102001010112
4 Quaternary 301132332101
5 Quinary 11310100141
6 Senary 1142011105
8 Octal 61367621
10 Decimal 12971921
12 Duodecimal 4416a95
16 Hexadecimal c5ef91
20 Vigesimal 4119g1
36 Base36 7q175

Cryptographic Hash Functions

md5 93dfd779b0230c4ba439350477b7f512
sha1 8fc812d67581e2febc5b9aa5eb888fca28604f5d
sha256 2f9a2349bc5001cd408767cc21fb7bb42ff8442016452363d01820ce3c274911
sha512 f88a28c02f61a07d955599a2d2ca7c9c76fe2527a5b936255a6c0f22355fe88970cdaed3b40a629d19c4ced056779713c233179a023aa826faaa10855a7e329e
ripemd-160 320fbaba39280c08106f10208e70b69693fca392

12971921 as geometric shapes

Circle

Radius = n
Diameter 25943842
Circumference 81504983.433094
Area 5.286381031002E+14

Sphere

Radius = n
Volume 9.1432689480076E+21
Surface area 2.1145524124008E+15
Circumference 81504983.433094

Square

Length = n
Perimeter 51887684
Area 168270734430241
Diagonal 18345066.608232

Cube

Length = n
Surface area 1009624406581446
Volume 2.1827946736411E+21
Space diagonal 22468026.24377

Equilateral Triangle

Length = n
Perimeter 38915763
Area 72863365365027
Altitude 11234013.121885

Triangular Pyramid

Length = n
Surface area 72863365365027
Volume 2.5724481927825E+20
Height 6115022.2027441