12897978 (number)

12897978 is an even 8-digits composite number following 12897977 and preceding 12897979. In scientific notation, it is written as 1.2897978 × 10^7. The sum of its digits is 51. It has a total of 4 prime factors and 16 positive divisors. There are 4183056 positive integers (up to 12897978) that are relatively prime to 12897978.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 1.2897978 × 10^7
Engineering notation 1.2897978 × 10^6

Prime Factorization of 12897978

Prime Factorization 2 × 3 × 37 × 58099

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 12897978
Product of the distinct prime numbers

The prime factorization of 12897978 is 2 × 3 × 37 × 58099. Since it has a total of 4 prime factors.

Most popular turbo-numbers

Basic calculations (n = 12897978)

Multiplication

n×y
n×2 25795956
n×3 38693934
n×4 51591912
n×5 64489890

Division

n÷y
n÷2 6448989
n÷3 4299326
n÷3 3224494.5
n÷5 2579595.6

Exponentiation

ny
n2 166357836488484
n3 2.1456797151561E+21
n4 2.7674929761129E+28
n5 3.5695063521059E+35

Nth Root

y√n
2√n 3591.375502506
3√n 234.51675556114
4√n 59.928086090797
5√n 26.430435938848

Divisors of 12897978

16 divisors

τ Total Divisors 16
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -12897977
Sum of the proper positive divisors of n
A Arithmetic Mean 0.0625
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 16
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 12897978 can be divided by 16 positive divisors. The sum of these divisors (counting 12897978) is 1, the average is 0.0625.

Base conversion 12897978

Base System Value
2 Binary 110001001100111010111010
3 Ternary 220021021200220
4 Quaternary 301030322322
5 Quinary 11300213403
6 Senary 1140240510
8 Octal 61147272
10 Decimal 12897978
12 Duodecimal 43a0136
16 Hexadecimal c4ceba
20 Vigesimal 40c4ii
36 Base36 7og56

Cryptographic Hash Functions

md5 8c2180612c3307d654b39e5115143925
sha1 ad7b7b48de5dc99d2be487d4857b7d40f6c08a69
sha256 0ad8529390bf5675a87983020958a956e6bfbd9175cc23d0e16f830da140f0c2
sha512 3a9eba62c1cf56bfc7eaeda9536604819a3a0cb5b5c3e5de56ce8c2a2631e7dae6abe038a8c4009cecab04045875cfd372a6293818080fd1887dadf60a372f49
ripemd-160 ef050c778b54cffead7c4d28123957e84a2610df

12897978 as geometric shapes

Circle

Radius = n
Diameter 25795956
Circumference 81040385.861926
Area 5.2262855697931E+14

Sphere

Radius = n
Volume 8.9878021734546E+21
Surface area 2.0905142279173E+15
Circumference 81040385.861926

Square

Length = n
Perimeter 51591912
Area 166357836488484
Diagonal 18240495.41479

Cube

Length = n
Surface area 998147018930904
Volume 2.1456797151561E+21
Space diagonal 22339953.210906

Equilateral Triangle

Length = n
Perimeter 38693934
Area 72035056258822
Altitude 11169976.605453

Triangular Pyramid

Length = n
Surface area 72035056258822
Volume 2.5287077947355E+20
Height 6080165.1382633