12861640 (number)

12861640 is an even 8-digits composite number following 12861639 and preceding 12861641. In scientific notation, it is written as 1.2861640 × 10^7. The sum of its digits is 28. It has a total of 5 prime factors and 16 positive divisors. There are 4676800 positive integers (up to 12861640) that are relatively prime to 12861640.

Interesting facts

Basic properties

Name

Name twelve million eight hundred sixty-one thousand six hundred forty

Notation

Scientific notation 1.2861640 × 10^7
Engineering notation 1.2861640 × 10^6

Prime Factorization of 12861640

Prime Factorization 2 × 2 × 2 × 55 × 29231

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 3215410
Product of the distinct prime numbers

The prime factorization of 12861640 is 2 × 2 × 2 × 55 × 29231. Since it has a total of 5 prime factors.

Most popular turbo-numbers

Basic calculations (n = 12861640)

Multiplication

n×y
n×2 25723280
n×3 38584920
n×4 51446560
n×5 64308200

Division

n÷y
n÷2 6430820
n÷3 4287213.3333333
n÷3 3215410
n÷5 2572328

Exponentiation

ny
n2 165421783489600
n3 2.1275954274012E+21
n4 2.736436645288E+28
n5 3.5195063014502E+35

Nth Root

y√n
2√n 3586.312869787
3√n 234.29631053177
4√n 59.885831962051
5√n 26.41552641804

Divisors of 12861640

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 -12861639
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 12861640 can be divided by 16 positive divisors. The sum of these divisors (counting 12861640) is 1, the average is 0.0625.

Base conversion 12861640

Base System Value
2 Binary 110001000100000011001000
3 Ternary 220012102212001
4 Quaternary 301010003020
5 Quinary 11243033030
6 Senary 1135400344
8 Octal 61040310
10 Decimal 12861640
12 Duodecimal 43830b4
16 Hexadecimal c440c8
20 Vigesimal 407e20
36 Base36 7no3s

Cryptographic Hash Functions

md5 7197eee6c724ef62c2f7bde01d72a053
sha1 f9ce109728c46652b5265e4862ab44a86f598bb4
sha256 e3889d66f3cc78c4741ac2ff7d498f5818962992feb670c6058a5786019da6c6
sha512 bb0908de544711d9ec630dffac042a7bb7fe5e02e595577fe0fafc268a0e58743f50426564f6ae177174fed7a8f6c352f0dfb5518c60edbd668891ec487983f1
ripemd-160 037d12610b3edeff862db8d6d8061fb1eb057ba1

12861640 as geometric shapes

Circle

Radius = n
Diameter 25723280
Circumference 80812067.474233
Area 5.1968785975465E+14

Sphere

Radius = n
Volume 8.9120508860464E+21
Surface area 2.0787514390186E+15
Circumference 80812067.474233

Square

Length = n
Perimeter 51446560
Area 165421783489600
Diagonal 18189105.72236

Cube

Length = n
Surface area 992530700937600
Volume 2.1275954274012E+21
Space diagonal 22277013.94866

Equilateral Triangle

Length = n
Perimeter 38584920
Area 71629733420661
Altitude 11138506.97433

Triangular Pyramid

Length = n
Surface area 71629733420661
Volume 2.5073952572281E+20
Height 6063035.2407868