12961661 (number)

12961661 is an odd 8-digits composite number following 12961660 and preceding 12961662. In scientific notation, it is written as 1.2961661 × 10^7. The sum of its digits is 32. It has a total of 3 prime factors and 8 positive divisors. There are 12718080 positive integers (up to 12961661) that are relatively prime to 12961661.

Interesting facts

Basic properties

Name

Name twelve million nine hundred sixty-one thousand six hundred sixty-one

Notation

Scientific notation 1.2961661 × 10^7
Engineering notation 1.2961661 × 10^6

Prime Factorization of 12961661

Prime Factorization 73 × 277 × 641

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 12961661
Product of the distinct prime numbers

The prime factorization of 12961661 is 73 × 277 × 641. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 12961661)

Multiplication

n×y
n×2 25923322
n×3 38884983
n×4 51846644
n×5 64808305

Division

n÷y
n÷2 6480830.5
n÷3 4320553.6666667
n÷3 3240415.25
n÷5 2592332.2

Exponentiation

ny
n2 168004655878921
n3 2.1776193959242E+21
n4 2.8225564396995E+28
n5 3.6585019724751E+35

Nth Root

y√n
2√n 3600.2306870533
3√n 234.90209291052
4√n 60.001922361315
5√n 26.456484286057

Divisors of 12961661

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 -12961660
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 12961661 can be divided by 8 positive divisors. The sum of these divisors (counting 12961661) is 1, the average is 0.125.

Base conversion 12961661

Base System Value
2 Binary 110001011100011101111101
3 Ternary 220101112001112
4 Quaternary 301130131331
5 Quinary 11304233121
6 Senary 1141451405
8 Octal 61343575
10 Decimal 12961661
12 Duodecimal 4410b65
16 Hexadecimal c5c77d
20 Vigesimal 410431
36 Base36 7pta5

Cryptographic Hash Functions

md5 6859880c1f9faa9c1f9f7e0074bd039c
sha1 bc662965f8d1e9cd43f254b50b07c38f09bbb9ce
sha256 50d3d1c691f419e6bb637c49bf20b1ff02cca8ef3fbf8bb5003868c046f30cec
sha512 58992a7756df4384d871a46a293f8de904e2de45e60fcf98dbbd71065efcff65cf29abe0300675d09a73c546047426b2abb830867222fd22e4653e7e222bb0ac
ripemd-160 9b986ab1032850feee203d2778774ec773fc4794

12961661 as geometric shapes

Circle

Radius = n
Diameter 25923322
Circumference 81440517.951843
Area 5.278021926781E+14

Sphere

Radius = n
Volume 9.1215907954003E+21
Surface area 2.1112087707124E+15
Circumference 81440517.951843

Square

Length = n
Perimeter 51846644
Area 168004655878921
Diagonal 18330556.777082

Cube

Length = n
Surface area 1008027935273526
Volume 2.1776193959242E+21
Space diagonal 22450255.402484

Equilateral Triangle

Length = n
Perimeter 38884983
Area 72748149972604
Altitude 11225127.701242

Triangular Pyramid

Length = n
Surface area 72748149972604
Volume 2.5663490695023E+20
Height 6110185.5923608