12897128 (number)

12897128 is an even 8-digits composite number following 12897127 and preceding 12897129. In scientific notation, it is written as 1.2897128 × 10^7. The sum of its digits is 38. It has a total of 4 prime factors and 8 positive divisors. There are 6448560 positive integers (up to 12897128) that are relatively prime to 12897128.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 1.2897128 × 10^7
Engineering notation 1.2897128 × 10^6

Prime Factorization of 12897128

Prime Factorization 2 × 2 × 2 × 1612141

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 3224282
Product of the distinct prime numbers

The prime factorization of 12897128 is 2 × 2 × 2 × 1612141. Since it has a total of 4 prime factors.

Most popular turbo-numbers

Basic calculations (n = 12897128)

Multiplication

n×y
n×2 25794256
n×3 38691384
n×4 51588512
n×5 64485640

Division

n÷y
n÷2 6448564
n÷3 4299042.6666667
n÷3 3224282
n÷5 2579425.6

Exponentiation

ny
n2 166335910648384
n3 2.1452555306288E+21
n4 2.7667635171227E+28
n5 3.5683303226062E+35

Nth Root

y√n
2√n 3591.2571614965
3√n 234.51160375566
4√n 59.927098724171
5√n 26.43008756699

Divisors of 12897128

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 -12897127
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 12897128 can be divided by 8 positive divisors. The sum of these divisors (counting 12897128) is 1, the average is 0.125.

Base conversion 12897128

Base System Value
2 Binary 110001001100101101101000
3 Ternary 220021020112102
4 Quaternary 301030231220
5 Quinary 11300202003
6 Senary 1140232532
8 Octal 61145550
10 Decimal 12897128
12 Duodecimal 439b748
16 Hexadecimal c4cb68
20 Vigesimal 40c2g8
36 Base36 7ofhk

Cryptographic Hash Functions

md5 325ce265e3b497a084d5bdc3b63eb798
sha1 e065047b4513d5a9c50d239e246be814ec9bb48f
sha256 43d5d231726e878082de1fd17c38e701cff0919cbbcb7da8f7641bd2cdfce4ae
sha512 6c0822bd651cd822b62a9f081d10295a0fae820777388fd61fae47f2f2e06a34045e58479593fa48e9c3aa37b72c20207fa67c66b17afc8501758fc8e9e923c7
ripemd-160 67bdae3669609aaab92dfc962ba024596f9cd569

12897128 as geometric shapes

Circle

Radius = n
Diameter 25794256
Circumference 81035045.154414
Area 5.2255967492113E+14

Sphere

Radius = n
Volume 8.9860253534616E+21
Surface area 2.0902386996845E+15
Circumference 81035045.154414

Square

Length = n
Perimeter 51588512
Area 166335910648384
Diagonal 18239293.333262

Cube

Length = n
Surface area 998015463890304
Volume 2.1452555306288E+21
Space diagonal 22338480.967719

Equilateral Triangle

Length = n
Perimeter 38691384
Area 72025562091560
Altitude 11169240.48386

Triangular Pyramid

Length = n
Surface area 72025562091560
Volume 2.5282078884759E+20
Height 6079764.4444206