12897731 (number)

12897731 is an odd 8-digits composite number following 12897730 and preceding 12897732. In scientific notation, it is written as 1.2897731 × 10^7. The sum of its digits is 38. It has a total of 3 prime factors and 8 positive divisors. There are 10049760 positive integers (up to 12897731) that are relatively prime to 12897731.

Interesting facts

Basic properties

Name

Name twelve million eight hundred ninety-seven thousand seven hundred thirty-one

Notation

Scientific notation 1.2897731 × 10^7
Engineering notation 1.2897731 × 10^6

Prime Factorization of 12897731

Prime Factorization 11 × 49 × 23929

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 12897731
Product of the distinct prime numbers

The prime factorization of 12897731 is 11 × 49 × 23929. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 12897731)

Multiplication

n×y
n×2 25795462
n×3 38693193
n×4 51590924
n×5 64488655

Division

n÷y
n÷2 6448865.5
n÷3 4299243.6666667
n÷3 3224432.75
n÷5 2579546.2

Exponentiation

ny
n2 166351464948361
n3 2.1455564463599E+21
n4 2.7672809890466E+28
n5 3.5691645798137E+35

Nth Root

y√n
2√n 3591.3411144028
3√n 234.51525853041
4√n 59.927799178702
5√n 26.430334707978

Divisors of 12897731

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 -12897730
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 12897731 can be divided by 8 positive divisors. The sum of these divisors (counting 12897731) is 1, the average is 0.125.

Base conversion 12897731

Base System Value
2 Binary 110001001100110111000011
3 Ternary 220021021100202
4 Quaternary 301030313003
5 Quinary 11300211411
6 Senary 1140235415
8 Octal 61146703
10 Decimal 12897731
12 Duodecimal 439bb6b
16 Hexadecimal c4cdc3
20 Vigesimal 40c46b
36 Base36 7ofyb

Cryptographic Hash Functions

md5 1f1adac8bc2e40fc05970e4446dbd39a
sha1 87656097da1fe6781c570382840119843e949134
sha256 94c5d6e32452b8bf2c6a15c0916e3cebe4407288b87dcc63db7e85e680e9488b
sha512 b68fb20005e235f5d18b4ab27ca80ffd15c796046a4013315d76926baef57664585a5623712d8a0c78a837a2480647af9fb0b12425986bfecd2664b5e1003513
ripemd-160 e6bea4009af9a6df650d546dbe92bce01271a543

12897731 as geometric shapes

Circle

Radius = n
Diameter 25795462
Circumference 81038833.915155
Area 5.2260854019567E+14

Sphere

Radius = n
Volume 8.9872858263286E+21
Surface area 2.0904341607827E+15
Circumference 81038833.915155

Square

Length = n
Perimeter 51590924
Area 166351464948361
Diagonal 18240146.10404

Cube

Length = n
Surface area 998108789690166
Volume 2.1455564463599E+21
Space diagonal 22339525.394356

Equilateral Triangle

Length = n
Perimeter 38693193
Area 72032297301019
Altitude 11169762.697178

Triangular Pyramid

Length = n
Surface area 72032297301019
Volume 2.528562521066E+20
Height 6080048.7013466