12721894 (number)

12721894 is an even 8-digits composite number following 12721893 and preceding 12721895. In scientific notation, it is written as 1.2721894 × 10^7. The sum of its digits is 34. It has a total of 3 prime factors and 8 positive divisors. There are 5997600 positive integers (up to 12721894) that are relatively prime to 12721894.

Interesting facts

Basic properties

Name

Name twelve million seven hundred twenty-one thousand eight hundred ninety-four

Notation

Scientific notation 1.2721894 × 10^7
Engineering notation 1.2721894 × 10^6

Prime Factorization of 12721894

Prime Factorization 2 × 1247 × 5101

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 12721894
Product of the distinct prime numbers

The prime factorization of 12721894 is 2 × 1247 × 5101. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 12721894)

Multiplication

n×y
n×2 25443788
n×3 38165682
n×4 50887576
n×5 63609470

Division

n÷y
n÷2 6360947
n÷3 4240631.3333333
n÷3 3180473.5
n÷5 2544378.8

Exponentiation

ny
n2 161846586947236
n3 2.0589951234045E+21
n4 2.6194317706469E+28
n5 3.3324133326402E+35

Nth Root

y√n
2√n 3566.776415757
3√n 233.44464938048
4√n 59.72249505636
5√n 26.357872601838

Divisors of 12721894

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 -12721893
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 12721894 can be divided by 8 positive divisors. The sum of these divisors (counting 12721894) is 1, the average is 0.125.

Base conversion 12721894

Base System Value
2 Binary 110000100001111011100110
3 Ternary 212221100011021
4 Quaternary 300201323212
5 Quinary 11224100034
6 Senary 1132401354
8 Octal 60417346
10 Decimal 12721894
12 Duodecimal 431625a
16 Hexadecimal c21ee6
20 Vigesimal 3ja4ee
36 Base36 7ko9y

Cryptographic Hash Functions

md5 45107345bb94bd050a551506cf4aeac0
sha1 6fa3645aec2d37772571ec73cba50535087bfe71
sha256 9c664afc15dc5489fd16926996e037fee5b2aa2750d2aa223c0d2c6e7b41249b
sha512 1c829967ee58fe8a7079e4e02f87b001aa3ce71f49d27381cc8fd585a66cb65d36c164a6f76f323652304f5df230edbf57b5e79b776398b1aa58c103844dc50c
ripemd-160 4f0db6d7a2511d27ecf19ddeb24ed3609eaf6e4a

12721894 as geometric shapes

Circle

Radius = n
Diameter 25443788
Circumference 79934017.460296
Area 5.0845604856202E+14

Sphere

Radius = n
Volume 8.6246986046198E+21
Surface area 2.0338241942481E+15
Circumference 79934017.460296

Square

Length = n
Perimeter 50887576
Area 161846586947236
Diagonal 17991475.033873

Cube

Length = n
Surface area 971079521683416
Volume 2.0589951234045E+21
Space diagonal 22034966.776506

Equilateral Triangle

Length = n
Perimeter 38165682
Area 70081627906057
Altitude 11017483.388253

Triangular Pyramid

Length = n
Surface area 70081627906057
Volume 2.4265490236489E+20
Height 5997158.3446243