12961909 (number)

12961909 is an odd 8-digits composite number following 12961908 and preceding 12961910. In scientific notation, it is written as 1.2961909 × 10^7. The sum of its digits is 37. It has a total of 2 prime factors and 4 positive divisors. There are 12935020 positive integers (up to 12961909) that are relatively prime to 12961909.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 1.2961909 × 10^7
Engineering notation 1.2961909 × 10^6

Prime Factorization of 12961909

Prime Factorization 491 × 26399

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 12961909
Product of the distinct prime numbers

The prime factorization of 12961909 is 491 × 26399. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 12961909)

Multiplication

n×y
n×2 25923818
n×3 38885727
n×4 51847636
n×5 64809545

Division

n÷y
n÷2 6480954.5
n÷3 4320636.3333333
n÷3 3240477.25
n÷5 2592381.8

Exponentiation

ny
n2 168011084924281
n3 2.1777443937798E+21
n4 2.8227724657434E+28
n5 3.6588519828672E+35

Nth Root

y√n
2√n 3600.2651291259
3√n 234.90359105564
4√n 60.002209368705
5√n 26.456585525519

Divisors of 12961909

4 divisors

τ Total Divisors 4
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -12961908
Sum of the proper positive divisors of n
A Arithmetic Mean 0.25
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 4
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 12961909 can be divided by 4 positive divisors. The sum of these divisors (counting 12961909) is 1, the average is 0.25.

Base conversion 12961909

Base System Value
2 Binary 110001011100100001110101
3 Ternary 220101112101201
4 Quaternary 301130201311
5 Quinary 11304240114
6 Senary 1141452501
8 Octal 61344165
10 Decimal 12961909
12 Duodecimal 4411131
16 Hexadecimal c5c875
20 Vigesimal 4104f9
36 Base36 7pth1

Cryptographic Hash Functions

md5 2b1b93bf9eb7427970e63c45892112c9
sha1 4a286e333fadad9f26563562c3148383ba128997
sha256 5cbe0ec28b0940d0beddda071b4528dab57701fc4c8121ed312bffc8d99d6bb3
sha512 804514a4e2a5771ba7229be237812b61c4cf1de066351be681528a5dbe4ec29fd7e8eb58f005dc21438149ce2e2cf2c15398e066eab27d48480a3bdec0c27b34
ripemd-160 7b0149dfdb51f4af10bf6488c10ca88d3d04218e

12961909 as geometric shapes

Circle

Radius = n
Diameter 25923818
Circumference 81442076.181799
Area 5.2782239011977E+14

Sphere

Radius = n
Volume 9.1221143851933E+21
Surface area 2.1112895604791E+15
Circumference 81442076.181799

Square

Length = n
Perimeter 51847636
Area 168011084924281
Diagonal 18330907.502046

Cube

Length = n
Surface area 1008066509545686
Volume 2.1777443937798E+21
Space diagonal 22450684.951084

Equilateral Triangle

Length = n
Perimeter 38885727
Area 72750933830906
Altitude 11225342.475542

Triangular Pyramid

Length = n
Surface area 72750933830906
Volume 2.5664963808878E+20
Height 6110302.500682