12897720 (number)

12897720 is an even 8-digits composite number following 12897719 and preceding 12897721. In scientific notation, it is written as 1.2897720 × 10^7. The sum of its digits is 36. It has a total of 6 prime factors and 32 positive divisors. There are 3125760 positive integers (up to 12897720) that are relatively prime to 12897720.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 1.2897720 × 10^7
Engineering notation 1.2897720 × 10^6

Prime Factorization of 12897720

Prime Factorization 2 × 2 × 2 × 9 × 55 × 3257

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 6
Total number of prime factors
rad Radical 3224430
Product of the distinct prime numbers

The prime factorization of 12897720 is 2 × 2 × 2 × 9 × 55 × 3257. Since it has a total of 6 prime factors.

Most popular turbo-numbers

Basic calculations (n = 12897720)

Multiplication

n×y
n×2 25795440
n×3 38693160
n×4 51590880
n×5 64488600

Division

n÷y
n÷2 6448860
n÷3 4299240
n÷3 3224430
n÷5 2579544

Exponentiation

ny
n2 166351181198400
n3 2.1455509567662E+21
n4 2.7672715486103E+28
n5 3.5691493597942E+35

Nth Root

y√n
2√n 3591.3395829412
3√n 234.51519186058
4√n 59.927786401144
5√n 26.430330199684

Divisors of 12897720

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 -12897719
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 12897720 can be divided by 32 positive divisors. The sum of these divisors (counting 12897720) is 1, the average is 0.03125.

Base conversion 12897720

Base System Value
2 Binary 110001001100110110111000
3 Ternary 220021021100100
4 Quaternary 301030312320
5 Quinary 11300211340
6 Senary 1140235400
8 Octal 61146670
10 Decimal 12897720
12 Duodecimal 439bb60
16 Hexadecimal c4cdb8
20 Vigesimal 40c460
36 Base36 7ofy0

Cryptographic Hash Functions

md5 ec677042aef0fc6686a340017d457b88
sha1 df3b4aa35dafaf9daac8dc76609b46dd0b72e462
sha256 41f0148a77f062da4743baa1e75712a30ddda253e7ce8791035f037ff5f786ce
sha512 e8154b344e8b5cd0791b6179211f176bf4f266e11c73614cc581a7ead416b647cbd2d706fa0a0ea1969189e9544de79cda432b7a7f2817cf3d243371743b78dc
ripemd-160 6baa1d0a79f219600bc02466b0e858b1182d34ed

12897720 as geometric shapes

Circle

Radius = n
Diameter 25795440
Circumference 81038764.800116
Area 5.2260764876888E+14

Sphere

Radius = n
Volume 8.9872628315724E+21
Surface area 2.0904305950755E+15
Circumference 81038764.800116

Square

Length = n
Perimeter 51590880
Area 166351181198400
Diagonal 18240130.547691

Cube

Length = n
Surface area 998107087190400
Volume 2.1455509567662E+21
Space diagonal 22339506.341797

Equilateral Triangle

Length = n
Perimeter 38693160
Area 72032174433681
Altitude 11169753.170899

Triangular Pyramid

Length = n
Surface area 72032174433681
Volume 2.5285560515178E+20
Height 6080043.5158969