12981785 (number)

12981785 is an odd 8-digits composite number following 12981784 and preceding 12981786. In scientific notation, it is written as 1.2981785 × 10^7. The sum of its digits is 41. It has a total of 3 prime factors and 8 positive divisors. There are 10356784 positive integers (up to 12981785) that are relatively prime to 12981785.

Interesting facts

Basic properties

Name

Name twelve million nine hundred eighty-one thousand seven hundred eighty-five

Notation

Scientific notation 1.2981785 × 10^7
Engineering notation 1.2981785 × 10^6

Prime Factorization of 12981785

Prime Factorization 5 × 6779 × 383

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 12981785
Product of the distinct prime numbers

The prime factorization of 12981785 is 5 × 6779 × 383. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 12981785)

Multiplication

n×y
n×2 25963570
n×3 38945355
n×4 51927140
n×5 64908925

Division

n÷y
n÷2 6490892.5
n÷3 4327261.6666667
n÷3 3245446.25
n÷5 2596357

Exponentiation

ny
n2 168526741786225
n3 2.1877779286193E+21
n4 2.8401262697081E+28
n5 3.6869908606203E+35

Nth Root

y√n
2√n 3603.0244240083
3√n 235.02359805278
4√n 60.02519824214
5√n 26.464694344226

Divisors of 12981785

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 -12981784
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 12981785 can be divided by 8 positive divisors. The sum of these divisors (counting 12981785) is 1, the average is 0.125.

Base conversion 12981785

Base System Value
2 Binary 110001100001011000011001
3 Ternary 220102112122212
4 Quaternary 301201120121
5 Quinary 11310404120
6 Senary 1142124505
8 Octal 61413031
10 Decimal 12981785
12 Duodecimal 4420735
16 Hexadecimal c61619
20 Vigesimal 412e95
36 Base36 7q8t5

Cryptographic Hash Functions

md5 0385c6f2e0b8017d263201f606d14fea
sha1 cd8fd17c982ac333ee0c4e3ce3b90ca2cab93706
sha256 8c6c68ca38ce7dfa77a8df8fd24330073836652fcd389712d11c31af77d35764
sha512 7d3e01456b3cc3cb7e465b31fb69b8b9b5ced72717cf62056a63eab62ee695fc9d38213eeb33b353482b66c26880a2b82b5a3f85a7d26be14bfeb0315db1b7ee
ripemd-160 cb98069b7a0bc9009c6c54018091a0445d3196c8

12981785 as geometric shapes

Circle

Radius = n
Diameter 25963570
Circumference 81566960.772964
Area 5.2944237392903E+14

Sphere

Radius = n
Volume 9.1641427576483E+21
Surface area 2.1177694957161E+15
Circumference 81566960.772964

Square

Length = n
Perimeter 51927140
Area 168526741786225
Diagonal 18359016.410812

Cube

Length = n
Surface area 1011160450717350
Volume 2.1877779286193E+21
Space diagonal 22485111.192936

Equilateral Triangle

Length = n
Perimeter 38945355
Area 72974219801946
Altitude 11242555.596468

Triangular Pyramid

Length = n
Surface area 72974219801946
Volume 2.5783210150949E+20
Height 6119672.1369372