21931461 (number)

21931461 is an odd 8-digits composite number following 21931460 and preceding 21931462. In scientific notation, it is written as 2.1931461 × 10^7. The sum of its digits is 27. It has a total of 4 prime factors and 12 positive divisors. There are 14601600 positive integers (up to 21931461) that are relatively prime to 21931461.

Interesting facts

Basic properties

Name

Name twenty-one million nine hundred thirty-one thousand four hundred sixty-one

Notation

Scientific notation 2.1931461 × 10^7
Engineering notation 2.1931461 × 10^6

Prime Factorization of 21931461

Prime Factorization 3 × 3 × 2029 × 1201

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 7310487
Product of the distinct prime numbers

The prime factorization of 21931461 is 3 × 3 × 2029 × 1201. Since it has a total of 4 prime factors.

Most popular turbo-numbers

5, 3, 98, 49, 158, 742, 49, 1531, 11533, 66552, 218904, 858452, 3131686, 7576527, 87980854, 63565158, 409895191, 470422979, 6700820386, 2567913032

Basic calculations (n = 21931461)

Multiplication

n×y
n×2 43862922
n×3 65794383
n×4 87725844
n×5 109657305

Division

n÷y
n÷2 10965730.5
n÷3 7310487
n÷3 5482865.25
n÷5 4386292.2

Exponentiation

ny
n2 480988981594521
n3 1.054879109127E+22
n4 2.3135040041533E+29
n5 5.0738522840433E+36

Nth Root

y√n
2√n 4683.1037784785
3√n 279.91264707065
4√n 68.433206694401
5√n 29.390942476514

Divisors of 21931461

1, 3, 9, 1201, 2029, 3603, 6087, 10809, 18261, 2436829, 7310487, 21931461

12 divisors

τ Total Divisors 12
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21931460
Sum of the proper positive divisors of n
A Arithmetic Mean 0.083333333333333
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 12
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21931461 can be divided by 12 positive divisors. The sum of these divisors (counting 21931461) is 1, the average is 0.083333333333333.

Base conversion 21931461

Base System Value
2 Binary 1010011101010010111000101
3 Ternary 1112021020022100
4 Quaternary 1103222113011
5 Quinary 21103301321
6 Senary 2102022313
8 Octal 123522705
10 Decimal 21931461
12 Duodecimal 7417999
16 Hexadecimal 14ea5c5
20 Vigesimal 6h18d1
36 Base36 d22f9

Cryptographic Hash Functions

md5 891f4bdb1b68eeba094f0174c523dfd7
sha1 d061bddb707cd7239ee63bd043c8e19a53dbe39f
sha256 d1b9816b753bc4c3de33e7b4289a020b05e3032720734ec0f11c73bed6251adf
sha512 949295377ba1f711b82a5aabe3d68949bad75ce683e8b9bc09754e5264c6e1f20802e6df53aec107db821376ea0ff306d6de2421309cc9221f52e55292c66270
ripemd-160 9fec768cbe463df84a2f307dac24f4822d78f90a

21931461 as geometric shapes

Circle

Radius = n
Diameter 43862922
Circumference 137799433.52018
Area 1.511071451035E+15

Sphere

Radius = n
Volume 4.418667279545E+22
Surface area 6.0442858041399E+15
Circumference 137799433.52018

Square

Length = n
Perimeter 87725844
Area 480988981594521
Diagonal 31015769.588857

Cube

Length = n
Surface area 2885933889567126
Volume 1.054879109127E+22
Space diagonal 37986404.736215

Equilateral Triangle

Length = n
Perimeter 65794383
Area 2.0827433850063E+14
Altitude 18993202.368108

Triangular Pyramid

Length = n
Surface area 2.0827433850063E+14
Volume 1.2431869523262E+21
Height 10338589.862952