12978985 (number)

12978985 is an odd 8-digits composite number following 12978984 and preceding 12978986. In scientific notation, it is written as 1.2978985 × 10^7. The sum of its digits is 49. It has a total of 3 prime factors and 8 positive divisors. There are 10354944 positive integers (up to 12978985) that are relatively prime to 12978985.

Interesting facts

Basic properties

Name

Name twelve million nine hundred seventy-eight thousand nine hundred eighty-five

Notation

Scientific notation 1.2978985 × 10^7
Engineering notation 1.2978985 × 10^6

Prime Factorization of 12978985

Prime Factorization 5 × 389 × 6673

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 12978985
Product of the distinct prime numbers

The prime factorization of 12978985 is 5 × 389 × 6673. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 12978985)

Multiplication

n×y
n×2 25957970
n×3 38936955
n×4 51915940
n×5 64894925

Division

n÷y
n÷2 6489492.5
n÷3 4326328.3333333
n÷3 3244746.25
n÷5 2595797

Exponentiation

ny
n2 168454051630225
n3 2.1863626092979E+21
n4 2.8376767510639E+28
n5 3.6830163986906E+35

Nth Root

y√n
2√n 3602.6358406034
3√n 235.00669967319
4√n 60.021961319199
5√n 26.463552628537

Divisors of 12978985

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 -12978984
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 12978985 can be divided by 8 positive divisors. The sum of these divisors (counting 12978985) is 1, the average is 0.125.

Base conversion 12978985

Base System Value
2 Binary 110001100000101100101001
3 Ternary 220102101211011
4 Quaternary 301200230221
5 Quinary 11310311420
6 Senary 1142103521
8 Octal 61405451
10 Decimal 12978985
12 Duodecimal 441aba1
16 Hexadecimal c60b29
20 Vigesimal 412795
36 Base36 7q6nd

Cryptographic Hash Functions

md5 4dc064a41aefd1953218b05a528677d3
sha1 8652628bc9baf90fe2f026f5f6561e2dcd091050
sha256 f419a9beee72b4634a58f240cb1d524c131c48b2b6a5f4c349eb2b5e36793764
sha512 69be32c9c8fa6d6159a0b43cbcdd3a88525e416ec0b9bc6ec1eb674bbdbad83bb40f4f9bbd156cb628cbcd3efa20b1f2f609ed8d1a0d8cb1e51cec45a0d62922
ripemd-160 34acd3b6d749a28d69615c9bccfabe17a93b5fbc

12978985 as geometric shapes

Circle

Radius = n
Diameter 25957970
Circumference 81549367.854104
Area 5.2921401106895E+14

Sphere

Radius = n
Volume 9.1582142819383E+21
Surface area 2.1168560442758E+15
Circumference 81549367.854104

Square

Length = n
Perimeter 51915940
Area 168454051630225
Diagonal 18355056.612837

Cube

Length = n
Surface area 1010724309781350
Volume 2.1863626092979E+21
Space diagonal 22480261.450674

Equilateral Triangle

Length = n
Perimeter 38936955
Area 72942744041095
Altitude 11240130.725337

Triangular Pyramid

Length = n
Surface area 72942744041095
Volume 2.5766530452788E+20
Height 6118352.204279