12897911 (number)

12897911 is an odd 8-digits composite number following 12897910 and preceding 12897912. In scientific notation, it is written as 1.2897911 × 10^7. The sum of its digits is 38. It has a total of 4 prime factors and 12 positive divisors. There are 11808576 positive integers (up to 12897911) that are relatively prime to 12897911.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 1.2897911 × 10^7
Engineering notation 1.2897911 × 10^6

Prime Factorization of 12897911

Prime Factorization 13 × 13 × 167 × 457

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 992147
Product of the distinct prime numbers

The prime factorization of 12897911 is 13 × 13 × 167 × 457. Since it has a total of 4 prime factors.

Most popular turbo-numbers

5, 7, 31, 61, 954, 557, 2705, 3211, 99400, 12, 136827, 175181, 8880163, 1875476, 47180387, 10856708, 534002153, 780070435, 9300956877, 1488778478

Basic calculations (n = 12897911)

Multiplication

n×y
n×2 25795822
n×3 38693733
n×4 51591644
n×5 64489555

Division

n÷y
n÷2 6448955.5
n÷3 4299303.6666667
n÷3 3224477.75
n÷5 2579582.2

Exponentiation

ny
n2 166356108163921
n3 2.1456462774046E+21
n4 2.7674354723446E+28
n5 3.5694136420544E+35

Nth Root

y√n
2√n 3591.3661745915
3√n 234.51634948587
4√n 59.928008264846
5√n 26.430408479616

Divisors of 12897911

1, 13, 167, 169, 457, 2171, 5941, 28223, 76319, 77233, 992147, 12897911

12 divisors

τ Total Divisors 12
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -12897910
Sum of the proper positive divisors of n
A Arithmetic Mean 0.083333333333333
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 12
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 12897911 can be divided by 12 positive divisors. The sum of these divisors (counting 12897911) is 1, the average is 0.083333333333333.

Base conversion 12897911

Base System Value
2 Binary 110001001100111001110111
3 Ternary 220021021121102
4 Quaternary 301030321313
5 Quinary 11300213121
6 Senary 1140240315
8 Octal 61147167
10 Decimal 12897911
12 Duodecimal 43a009b
16 Hexadecimal c4ce77
20 Vigesimal 40c4fb
36 Base36 7og3b

Cryptographic Hash Functions

md5 0421141cf3dcb9620d7674d41414dc4c
sha1 b6ff9b16a0e86c6cdb5ae3a8429218e1d7fa88cb
sha256 46e41135213ff8bac0bdd4ba97e43492ac7dac9eae70ffdfd41f0091d75fa152
sha512 faa97660c2d1badab17b0a6b9161c2f9e27e313c987b69d7e15378287160ffff28782b731a0bd3b5456c03b0aa8914f2a05ae85447663a35df8e775f9fb65eac
ripemd-160 245c1855d4b51b100a49d50a650db225bcec67c4

12897911 as geometric shapes

Circle

Radius = n
Diameter 25795822
Circumference 81039964.88851
Area 5.2262312728756E+14

Sphere

Radius = n
Volume 8.9876621097289E+21
Surface area 2.0904925091503E+15
Circumference 81039964.88851

Square

Length = n
Perimeter 51591644
Area 166356108163921
Diagonal 18240400.662481

Cube

Length = n
Surface area 998136648983526
Volume 2.1456462774046E+21
Space diagonal 22339837.163502

Equilateral Triangle

Length = n
Perimeter 38693733
Area 72034307872334
Altitude 11169918.581751

Triangular Pyramid

Length = n
Surface area 72034307872334
Volume 2.5286683879675E+20
Height 6080133.5541604