12831985 (number)

12831985 is an odd 8-digits composite number following 12831984 and preceding 12831986. In scientific notation, it is written as 1.2831985 × 10^7. The sum of its digits is 37. It has a total of 3 prime factors and 8 positive divisors. There are 9934320 positive integers (up to 12831985) that are relatively prime to 12831985.

Interesting facts

Basic properties

Name

Name twelve million eight hundred thirty-one thousand nine hundred eighty-five

Notation

Scientific notation 1.2831985 × 10^7
Engineering notation 1.2831985 × 10^6

Prime Factorization of 12831985

Prime Factorization 5 × 31 × 82787

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 12831985
Product of the distinct prime numbers

The prime factorization of 12831985 is 5 × 31 × 82787. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 12831985)

Multiplication

n×y
n×2 25663970
n×3 38495955
n×4 51327940
n×5 64159925

Division

n÷y
n÷2 6415992.5
n÷3 4277328.3333333
n÷3 3207996.25
n÷5 2566397

Exponentiation

ny
n2 164659839040225
n3 2.1129125846666E+21
n4 2.7112862592753E+28
n5 3.4791184609727E+35

Nth Root

y√n
2√n 3582.1760146592
3√n 234.11610012911
4√n 59.851282481324
5√n 26.403333946391

Divisors of 12831985

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 -12831984
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 12831985 can be divided by 8 positive divisors. The sum of these divisors (counting 12831985) is 1, the average is 0.125.

Base conversion 12831985

Base System Value
2 Binary 110000111100110011110001
3 Ternary 220010221011201
4 Quaternary 300330303301
5 Quinary 11241110420
6 Senary 1135011201
8 Octal 60746361
10 Decimal 12831985
12 Duodecimal 4369b01
16 Hexadecimal c3ccf1
20 Vigesimal 403jj5
36 Base36 7n181

Cryptographic Hash Functions

md5 33e7114f8beb33cd29aae84a1709473a
sha1 524324f51ab208f69c58bda774a33ae959e3506d
sha256 5b01273ac7d789165d878b069fb1131726c45ec67233249145ce5ceb96721652
sha512 8b793bfa13c3489acad9627b0f538924c3b35fc85aefeb19062418ad92d273be49b31796fab5bec9313c95a7748f3a49add4d0c5d6c3fa1308bd1fc77d6ea443
ripemd-160 c6ef1083e6734da232d5dbf30fd01ee0f9c20659

12831985 as geometric shapes

Circle

Radius = n
Diameter 25663970
Circumference 80625739.613949
Area 5.1729414067005E+14

Sphere

Radius = n
Volume 8.8505475382213E+21
Surface area 2.0691765626802E+15
Circumference 80625739.613949

Square

Length = n
Perimeter 51327940
Area 164659839040225
Diagonal 18147167.219168

Cube

Length = n
Surface area 987959034241350
Volume 2.1129125846666E+21
Space diagonal 22225649.981962

Equilateral Triangle

Length = n
Perimeter 38495955
Area 71299801795946
Altitude 11112824.990981

Triangular Pyramid

Length = n
Surface area 71299801795946
Volume 2.4900913611202E+20
Height 6049055.7397227