12561921 (number)

12561921 is an odd 8-digits composite number following 12561920 and preceding 12561922. In scientific notation, it is written as 1.2561921 × 10^7. The sum of its digits is 27. It has a total of 3 prime factors and 8 positive divisors. There are 8322264 positive integers (up to 12561921) that are relatively prime to 12561921.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 1.2561921 × 10^7
Engineering notation 1.2561921 × 10^6

Prime Factorization of 12561921

Prime Factorization 9 × 163 × 8563

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 12561921
Product of the distinct prime numbers

The prime factorization of 12561921 is 9 × 163 × 8563. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 12561921)

Multiplication

n×y
n×2 25123842
n×3 37685763
n×4 50247684
n×5 62809605

Division

n÷y
n÷2 6280960.5
n÷3 4187307
n÷3 3140480.25
n÷5 2512384.2

Exponentiation

ny
n2 157801859210241
n3 1.9822944890522E+21
n4 2.4901426770209E+28
n5 3.1280975587465E+35

Nth Root

y√n
2√n 3544.280039726
3√n 232.46202640314
4√n 59.533856247735
5√n 26.291248591491

Divisors of 12561921

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 -12561920
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 12561921 can be divided by 8 positive divisors. The sum of these divisors (counting 12561921) is 1, the average is 0.125.

Base conversion 12561921

Base System Value
2 Binary 101111111010111000000001
3 Ternary 212122012201100
4 Quaternary 233322320001
5 Quinary 11203440141
6 Senary 1125125013
8 Octal 57727001
10 Decimal 12561921
12 Duodecimal 4259769
16 Hexadecimal bfae01
20 Vigesimal 3ia4g1
36 Base36 7h8u9

Cryptographic Hash Functions

md5 58f57f9b66ee3b6b30807a4403a9eed8
sha1 a5c3ebf4a842127da9de03c1c445d5fad3a42e41
sha256 85351ff79f261bc372e547e2a5b19fe7c70a457aef48bbaaa1091f278b7702c1
sha512 54e74dea6c04184740b10237cea8fdf4967efeaabe9fdffb49d7578bc9a46ca4d13db983ebf3589c121a092f52777d5811cbb64f556494a39d22ad9a9deb5dff
ripemd-160 a96a919d6de89da5b6e0db2f125e42b8b0b4ca9e

12561921 as geometric shapes

Circle

Radius = n
Diameter 25123842
Circumference 78928877.457151
Area 4.957491616177E+14

Sphere

Radius = n
Volume 8.3034157387438E+21
Surface area 1.9829966464708E+15
Circumference 78928877.457151

Square

Length = n
Perimeter 50247684
Area 157801859210241
Diagonal 17765239.047659

Cube

Length = n
Surface area 946811155261446
Volume 1.9822944890522E+21
Space diagonal 21757885.412666

Equilateral Triangle

Length = n
Perimeter 37685763
Area 68330209420242
Altitude 10878942.706333

Triangular Pyramid

Length = n
Surface area 68330209420242
Volume 2.3361564591959E+20
Height 5921746.3492198