12721840 (number)

12721840 is an even 8-digits composite number following 12721839 and preceding 12721841. In scientific notation, it is written as 1.2721840 × 10^7. The sum of its digits is 25. It has a total of 6 prime factors and 20 positive divisors. There are 5088704 positive integers (up to 12721840) that are relatively prime to 12721840.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 1.2721840 × 10^7
Engineering notation 1.2721840 × 10^6

Prime Factorization of 12721840

Prime Factorization 2 × 2 × 2 × 2 × 5 × 159023

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 6
Total number of prime factors
rad Radical 1590230
Product of the distinct prime numbers

The prime factorization of 12721840 is 2 × 2 × 2 × 2 × 5 × 159023. Since it has a total of 6 prime factors.

Most popular turbo-numbers

3, 4, 35, 33, 195, 281, 971, 8629, 13377, 37634, 803015, 812551, 9255810, 3570778, 43690022, 95880426, 852353159, 584962833, 8727991978, 7972146127

Basic calculations (n = 12721840)

Multiplication

n×y
n×2 25443680
n×3 38165520
n×4 50887360
n×5 63609200

Division

n÷y
n÷2 6360920
n÷3 4240613.3333333
n÷3 3180460
n÷5 2544368

Exponentiation

ny
n2 161845212985600
n3 2.0589689043687E+21
n4 2.6193872966354E+28
n5 3.3323426085828E+35

Nth Root

y√n
2√n 3566.7688458884
3√n 233.44431908299
4√n 59.722431680972
5√n 26.357850225806

Divisors of 12721840

1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 159023, 318046, 636092, 795115, 1272184, 1590230, 2544368, 3180460, 6360920, 12721840

20 divisors

τ Total Divisors 20
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -12721839
Sum of the proper positive divisors of n
A Arithmetic Mean 0.05
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 20
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 12721840 can be divided by 20 positive divisors. The sum of these divisors (counting 12721840) is 1, the average is 0.05.

Base conversion 12721840

Base System Value
2 Binary 110000100001111010110000
3 Ternary 212221100002021
4 Quaternary 300201322300
5 Quinary 11224044330
6 Senary 1132401224
8 Octal 60417260
10 Decimal 12721840
12 Duodecimal 4316214
16 Hexadecimal c21eb0
20 Vigesimal 3ja4c0
36 Base36 7ko8g

Cryptographic Hash Functions

md5 603b43c9b2c40bc3742c577c3cd94954
sha1 91f609e828e72802e21fbd406605cabf14797332
sha256 8a7463976e5076e590e4dbfdf4a53baaf1c3280695e4326f0dc22f1f5a432f09
sha512 b43d8805c04ebf284613eedecb04894230dc7d41c6a77bc3a01e5949a949ea8ca421b8c0ea4e76a58e9d71dff6e797f932d819468d36478f7a89b37057667e93
ripemd-160 df1328f8aeeb94624b370f7a008dceaf187e32b1

12721840 as geometric shapes

Circle

Radius = n
Diameter 25443680
Circumference 79933678.16829
Area 5.0845173213424E+14

Sphere

Radius = n
Volume 8.6245887785795E+21
Surface area 2.0338069285369E+15
Circumference 79933678.16829

Square

Length = n
Perimeter 50887360
Area 161845212985600
Diagonal 17991398.666341

Cube

Length = n
Surface area 971071277913600
Volume 2.0589689043687E+21
Space diagonal 22034873.245762

Equilateral Triangle

Length = n
Perimeter 38165520
Area 70081032963216
Altitude 11017436.622881

Triangular Pyramid

Length = n
Surface area 70081032963216
Volume 2.4265181242189E+20
Height 5997132.8887802