12897645 (number)

12897645 is an odd 8-digits composite number following 12897644 and preceding 12897646. In scientific notation, it is written as 1.2897645 × 10^7. The sum of its digits is 42. It has a total of 5 prime factors and 32 positive divisors. There are 6294528 positive integers (up to 12897645) that are relatively prime to 12897645.

Interesting facts

Basic properties

Name

Name twelve million eight hundred ninety-seven thousand six hundred forty-five

Notation

Scientific notation 1.2897645 × 10^7
Engineering notation 1.2897645 × 10^6

Prime Factorization of 12897645

Prime Factorization 5 × 3 × 17 × 37 × 1367

Composite number
ω Distinct Factors 5
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 12897645
Product of the distinct prime numbers

The prime factorization of 12897645 is 5 × 3 × 17 × 37 × 1367. Since it has a total of 5 prime factors.

Most popular turbo-numbers

4, 8, 28, 86, 86, 721, 5122, 6898, 64964, 48362, 319230, 211240, 3140865, 549236, 85446886, 41429565, 887607717, 946710681, 557081477, 6502805136

Basic calculations (n = 12897645)

Multiplication

n×y
n×2 25795290
n×3 38692935
n×4 51590580
n×5 64488225

Division

n÷y
n÷2 6448822.5
n÷3 4299215
n÷3 3224411.25
n÷5 2579529

Exponentiation

ny
n2 166349246546025
n3 2.1455135279681E+21
n4 2.767207182643E+28
n5 3.569045588318E+35

Nth Root

y√n
2√n 3591.3291411398
3√n 234.51473729255
4√n 59.927699281216
5√n 26.430299461238

Divisors of 12897645

1, 3, 5, 15, 17, 37, 51, 85, 111, 185, 255, 555, 629, 1367, 1887, 3145, 4101, 6835, 9435, 20505, 23239, 50579, 69717, 116195, 151737, 252895, 348585, 758685, 859843, 2579529, 4299215, 12897645

32 divisors

τ Total Divisors 32
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -12897644
Sum of the proper positive divisors of n
A Arithmetic Mean 0.03125
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 32
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 12897645 can be divided by 32 positive divisors. The sum of these divisors (counting 12897645) is 1, the average is 0.03125.

Base conversion 12897645

Base System Value
2 Binary 110001001100110101101101
3 Ternary 220021021020120
4 Quaternary 301030311231
5 Quinary 11300211040
6 Senary 1140235153
8 Octal 61146555
10 Decimal 12897645
12 Duodecimal 439bab9
16 Hexadecimal c4cd6d
20 Vigesimal 40c425
36 Base36 7ofvx

Cryptographic Hash Functions

md5 791c425f5084e146953c516c3fbc334c
sha1 dca42b6f4759e1cca24654f2cd49d0a5616ab3ab
sha256 fee0009886dcfa22c7524e59b79daa6eed2824e6507e34a868ccb1942fa571fc
sha512 72db55cf863d9fec57b209b0954b04c4eb5d63415e1c7893fedd2e6e3b9576b5bfb9d09844a43709031331fb8df8697b8cb18c79da4356636cac61cdc6bab135
ripemd-160 7ff06bde65d65965738849fba252a7aac611d9c7

12897645 as geometric shapes

Circle

Radius = n
Diameter 25795290
Circumference 81038293.561218
Area 5.2260157087919E+14

Sphere

Radius = n
Volume 8.9871060501895E+21
Surface area 2.0904062835168E+15
Circumference 81038293.561218

Square

Length = n
Perimeter 51590580
Area 166349246546025
Diagonal 18240024.481674

Cube

Length = n
Surface area 998095479276150
Volume 2.1455135279681E+21
Space diagonal 22339376.437987

Equilateral Triangle

Length = n
Perimeter 38692935
Area 72031336704629
Altitude 11169688.218993

Triangular Pyramid

Length = n
Surface area 72031336704629
Volume 2.5285119412562E+20
Height 6080008.1605578