12815945 (number)

12815945 is an odd 8-digits composite number following 12815944 and preceding 12815946. In scientific notation, it is written as 1.2815945 × 10^7. The sum of its digits is 35. It has a total of 3 prime factors and 8 positive divisors. There are 9806896 positive integers (up to 12815945) that are relatively prime to 12815945.

Interesting facts

Basic properties

Name

Name twelve million eight hundred fifteen thousand nine hundred forty-five

Notation

Scientific notation 1.2815945 × 10^7
Engineering notation 1.2815945 × 10^6

Prime Factorization of 12815945

Prime Factorization 5 × 23 × 111443

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 12815945
Product of the distinct prime numbers

The prime factorization of 12815945 is 5 × 23 × 111443. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 12815945)

Multiplication

n×y
n×2 25631890
n×3 38447835
n×4 51263780
n×5 64079725

Division

n÷y
n÷2 6407972.5
n÷3 4271981.6666667
n÷3 3203986.25
n÷5 2563189

Exponentiation

ny
n2 164248446243025
n3 2.1049990533861E+21
n4 2.6977552093248E+28
n5 3.457428238617E+35

Nth Root

y√n
2√n 3579.93645195
3√n 234.01851096653
4√n 59.832570159989
5√n 26.396729802286

Divisors of 12815945

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 -12815944
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 12815945 can be divided by 8 positive divisors. The sum of these divisors (counting 12815945) is 1, the average is 0.125.

Base conversion 12815945

Base System Value
2 Binary 110000111000111001001001
3 Ternary 220010010011122
4 Quaternary 300320321021
5 Quinary 11240102240
6 Senary 1134405025
8 Octal 60707111
10 Decimal 12815945
12 Duodecimal 4360775
16 Hexadecimal c38e49
20 Vigesimal 401jh5
36 Base36 7mouh

Cryptographic Hash Functions

md5 06dcaefb0b9cade4cea7c2f06cdf5cad
sha1 04c2cc9df42fc98988ece98d4866887a31f4f46a
sha256 cc6b3bdfd49d11094666de60de07d4367fd3d98e2ad7aeb88210be5c4144ecff
sha512 c4dbdefb3b7156058ad671371405c0131f09dededc0467a5641cc93c110b994414877978cbf16ff3acc6c995732855e117930546b9e9ff437988df076144c029
ripemd-160 ddb042b616cf7d1e71fff11c5318b172208518fa

12815945 as geometric shapes

Circle

Radius = n
Diameter 25631890
Circumference 80524957.321622
Area 5.1600171208063E+14

Sphere

Radius = n
Volume 8.8173994159082E+21
Surface area 2.0640068483225E+15
Circumference 80524957.321622

Square

Length = n
Perimeter 51263780
Area 164248446243025
Diagonal 18124483.233628

Cube

Length = n
Surface area 985490677458150
Volume 2.1049990533861E+21
Space diagonal 22197867.887008

Equilateral Triangle

Length = n
Perimeter 38447835
Area 71121663489291
Altitude 11098933.943504

Triangular Pyramid

Length = n
Surface area 71121663489291
Volume 2.4807651750676E+20
Height 6041494.4112092