12897949 (number)

12897949 is an odd 8-digits composite number following 12897948 and preceding 12897950. In scientific notation, it is written as 1.2897949 × 10^7. The sum of its digits is 49. It has a total of 2 prime factors and 4 positive divisors. There are 12805020 positive integers (up to 12897949) that are relatively prime to 12897949.

Interesting facts

Basic properties

Name

Name twelve million eight hundred ninety-seven thousand nine hundred forty-nine

Notation

Scientific notation 1.2897949 × 10^7
Engineering notation 1.2897949 × 10^6

Prime Factorization of 12897949

Prime Factorization 139 × 92791

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 12897949
Product of the distinct prime numbers

The prime factorization of 12897949 is 139 × 92791. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 12897949)

Multiplication

n×y
n×2 25795898
n×3 38693847
n×4 51591796
n×5 64489745

Division

n÷y
n÷2 6448974.5
n÷3 4299316.3333333
n÷3 3224487.25
n÷5 2579589.8

Exponentiation

ny
n2 166357088406601
n3 2.1456652420568E+21
n4 2.7674680863122E+28
n5 3.5694662236382E+35

Nth Root

y√n
2√n 3591.3714650534
3√n 234.51657979739
4√n 59.928052404975
5√n 26.430424053523

Divisors of 12897949

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 -12897948
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 12897949 can be divided by 4 positive divisors. The sum of these divisors (counting 12897949) is 1, the average is 0.25.

Base conversion 12897949

Base System Value
2 Binary 110001001100111010011101
3 Ternary 220021021122211
4 Quaternary 301030322131
5 Quinary 11300213244
6 Senary 1140240421
8 Octal 61147235
10 Decimal 12897949
12 Duodecimal 43a0111
16 Hexadecimal c4ce9d
20 Vigesimal 40c4h9
36 Base36 7og4d

Cryptographic Hash Functions

md5 ce4dd9279e9a3b8cc8e60c24842e790c
sha1 cdefae4576dc038c0f0891789eb9b8cf7f208987
sha256 b17cfe5ea1fb3a678dcc0620825e05705d4c5a09b8b46b9c132d0f9803739752
sha512 87ec4fadd40f10d85ea0056fdd7821a4c35beddd932e102d9a47e823cc68e0d520495756243941f1a9ab2d2b827e952c3eb3a5fad2f7549a6910a080fb8449d5
ripemd-160 a95d980db819a13e38e785369b2d0ea430005e0b

12897949 as geometric shapes

Circle

Radius = n
Diameter 25795898
Circumference 81040203.649552
Area 5.2262620681077E+14

Sphere

Radius = n
Volume 8.9877415486783E+21
Surface area 2.0905048272431E+15
Circumference 81040203.649552

Square

Length = n
Perimeter 51591796
Area 166357088406601
Diagonal 18240454.402596

Cube

Length = n
Surface area 998142530439606
Volume 2.1456652420568E+21
Space diagonal 22339902.981432

Equilateral Triangle

Length = n
Perimeter 38693847
Area 72034732329865
Altitude 11169951.490716

Triangular Pyramid

Length = n
Surface area 72034732329865
Volume 2.5286907380244E+20
Height 6080151.4675322