12961921 (number)

12961921 is an odd 8-digits composite number following 12961920 and preceding 12961922. In scientific notation, it is written as 1.2961921 × 10^7. The sum of its digits is 31. It has a total of 2 prime factors and 4 positive divisors. There are 11110176 positive integers (up to 12961921) that are relatively prime to 12961921.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 1.2961921 × 10^7
Engineering notation 1.2961921 × 10^6

Prime Factorization of 12961921

Prime Factorization 49 × 264529

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 12961921
Product of the distinct prime numbers

The prime factorization of 12961921 is 49 × 264529. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 12961921)

Multiplication

n×y
n×2 25923842
n×3 38885763
n×4 51847684
n×5 64809605

Division

n÷y
n÷2 6480960.5
n÷3 4320640.3333333
n÷3 3240480.25
n÷5 2592384.2

Exponentiation

ny
n2 168011396010241
n3 2.1777504421845E+21
n4 2.822782918931E+28
n5 3.6588689195333E+35

Nth Root

y√n
2√n 3600.2667956695
3√n 234.90366354605
4√n 60.002223256055
5√n 26.456590424163

Divisors of 12961921

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 -12961920
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 12961921 can be divided by 4 positive divisors. The sum of these divisors (counting 12961921) is 1, the average is 0.25.

Base conversion 12961921

Base System Value
2 Binary 110001011100100010000001
3 Ternary 220101112102011
4 Quaternary 301130202001
5 Quinary 11304240141
6 Senary 1141452521
8 Octal 61344201
10 Decimal 12961921
12 Duodecimal 4411141
16 Hexadecimal c5c881
20 Vigesimal 4104g1
36 Base36 7pthd

Cryptographic Hash Functions

md5 9e82dc8bafdcd69cf8056e32f2edfad8
sha1 17db96edf9091f63e85ebfbe6f17328a426dd954
sha256 8cf9ddebc1c67d36e574bdc87976382880f3d12f8ac42db1c04e57caea2b2809
sha512 eee619ce0534d03ac840cfe59bae1a13cad4fa9290476018d4c72cd810b0bae598b971494e18adead2ed1c074d1078bdddd0e676a3d541244b7fdc340e939929
ripemd-160 d937326d2860de9bf7b5b3006d12a57d7525d509

12961921 as geometric shapes

Circle

Radius = n
Diameter 25923842
Circumference 81442151.580023
Area 5.2782336742514E+14

Sphere

Radius = n
Volume 9.1221397206915E+21
Surface area 2.1112934697006E+15
Circumference 81442151.580023

Square

Length = n
Perimeter 51847684
Area 168011396010241
Diagonal 18330924.472609

Cube

Length = n
Surface area 1008068376061446
Volume 2.1777504421845E+21
Space diagonal 22450705.735694

Equilateral Triangle

Length = n
Perimeter 38885763
Area 72751068535078
Altitude 11225352.867847

Triangular Pyramid

Length = n
Surface area 72751068535078
Volume 2.5665035090011E+20
Height 6110308.1575362