12890645 (number)

12890645 is an odd 8-digits composite number following 12890644 and preceding 12890646. In scientific notation, it is written as 1.2890645 × 10^7. The sum of its digits is 35. It has a total of 4 prime factors and 16 positive divisors. There are 9430848 positive integers (up to 12890645) that are relatively prime to 12890645.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 1.2890645 × 10^7
Engineering notation 1.2890645 × 10^6

Prime Factorization of 12890645

Prime Factorization 5 × 29 × 19 × 4679

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 12890645
Product of the distinct prime numbers

The prime factorization of 12890645 is 5 × 29 × 19 × 4679. Since it has a total of 4 prime factors.

Most popular turbo-numbers

Basic calculations (n = 12890645)

Multiplication

n×y
n×2 25781290
n×3 38671935
n×4 51562580
n×5 64453225

Division

n÷y
n÷2 6445322.5
n÷3 4296881.6666667
n÷3 3222661.25
n÷5 2578129

Exponentiation

ny
n2 166168728516025
n3 2.1420220894015E+21
n4 2.7612046336632E+28
n5 3.5593708704908E+35

Nth Root

y√n
2√n 3590.3544393277
3√n 234.47230318318
4√n 59.919566414717
5√n 26.427429909869

Divisors of 12890645

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 -12890644
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 12890645 can be divided by 16 positive divisors. The sum of these divisors (counting 12890645) is 1, the average is 0.0625.

Base conversion 12890645

Base System Value
2 Binary 110001001011001000010101
3 Ternary 220020220122022
4 Quaternary 301023020111
5 Quinary 11300000040
6 Senary 1140142525
8 Octal 61131025
10 Decimal 12890645
12 Duodecimal 4397a45
16 Hexadecimal c4b215
20 Vigesimal 40b6c5
36 Base36 7oahh

Cryptographic Hash Functions

md5 c789813f41b0dc9fa659fb69e24988ee
sha1 a10d4ef25fe9c8d8f9bbb1d5997212611db5f050
sha256 e6e42f0668b2a8dec09d9fcbe763885086d48363dc73e96762abc6b40a4fd6a5
sha512 4f4f96614d88b5877176bdfa9d727adf41256a04d6d04143325e1b78bfe325436307c2befd772d734c1d772af82b3733cc9ba666835a7dc24fac6704c67fb408
ripemd-160 089fe73aeb0702a3b1f565fc2c88d90700907ea3

12890645 as geometric shapes

Circle

Radius = n
Diameter 25781290
Circumference 80994311.264068
Area 5.220344567623E+14

Sphere

Radius = n
Volume 8.9724811465209E+21
Surface area 2.0881378270492E+15
Circumference 80994311.264068

Square

Length = n
Perimeter 51562580
Area 166168728516025
Diagonal 18230124.986737

Cube

Length = n
Surface area 997012371096150
Volume 2.1420220894015E+21
Space diagonal 22327252.082334

Equilateral Triangle

Length = n
Perimeter 38671935
Area 71953170104719
Altitude 11163626.041167

Triangular Pyramid

Length = n
Surface area 71953170104719
Volume 2.5243972414452E+20
Height 6076708.3289123