12839945 (number)

12839945 is an odd 8-digits composite number following 12839944 and preceding 12839946. In scientific notation, it is written as 1.2839945 × 10^7. The sum of its digits is 41. It has a total of 3 prime factors and 8 positive divisors. There are 10257280 positive integers (up to 12839945) that are relatively prime to 12839945.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 1.2839945 × 10^7
Engineering notation 1.2839945 × 10^6

Prime Factorization of 12839945

Prime Factorization 5 × 941 × 2729

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 12839945
Product of the distinct prime numbers

The prime factorization of 12839945 is 5 × 941 × 2729. Since it has a total of 3 prime factors.

Most popular turbo-numbers

6, 1, 18, 18, 973, 790, 5744, 4222, 64937, 10414, 507511, 408237, 658369, 5569567, 35940108, 57600047, 386093889, 566307511, 7960213011, 9399902004

Basic calculations (n = 12839945)

Multiplication

n×y
n×2 25679890
n×3 38519835
n×4 51359780
n×5 64199725

Division

n÷y
n÷2 6419972.5
n÷3 4279981.6666667
n÷3 3209986.25
n÷5 2567989

Exponentiation

ny
n2 164864187603025
n3 2.1168471012925E+21
n4 2.7180200354005E+28
n5 3.4899227763441E+35

Nth Root

y√n
2√n 3583.2868989239
3√n 234.16449947266
4√n 59.860562133377
5√n 26.406608863062

Divisors of 12839945

1, 5, 941, 2729, 4705, 13645, 2567989, 12839945

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 -12839944
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 12839945 can be divided by 8 positive divisors. The sum of these divisors (counting 12839945) is 1, the average is 0.125.

Base conversion 12839945

Base System Value
2 Binary 110000111110110000001001
3 Ternary 220011100002112
4 Quaternary 300332300021
5 Quinary 11241334240
6 Senary 1135112105
8 Octal 60766011
10 Decimal 12839945
12 Duodecimal 4372635
16 Hexadecimal c3ec09
20 Vigesimal 404jh5
36 Base36 7n7d5

Cryptographic Hash Functions

md5 e3250fd660ec49a6c3d677af2094809e
sha1 9b488f12fa5910f2bd5c1c3fe104798b42bea171
sha256 b8bc0efd575c1be3b0a1cd5e7324ec752f5b136ce0369af09c8164036719227d
sha512 1a6cbfde97aafdd6c5370a2a9d654de32e7950e95dc193c7c76070c323b3e088d5095495d778f8077fcefdaf768dd4a1b8695e0c70bff523bd808d30d56ac758
ripemd-160 87bb5ce0f2ee3390ed4d00a69a9e7625cccb3bfd

12839945 as geometric shapes

Circle

Radius = n
Diameter 25679890
Circumference 80675753.768994
Area 5.1793612061371E+14

Sphere

Radius = n
Volume 8.8670284029246E+21
Surface area 2.0717444824549E+15
Circumference 80675753.768994

Square

Length = n
Perimeter 51359780
Area 164864187603025
Diagonal 18158424.359125

Cube

Length = n
Surface area 989185125618150
Volume 2.1168471012925E+21
Space diagonal 22239437.10639

Equilateral Triangle

Length = n
Perimeter 38519835
Area 71388287319252
Altitude 11119718.553195

Triangular Pyramid

Length = n
Surface area 71388287319252
Volume 2.4947282334317E+20
Height 6052808.1197082