21492940 (number)

21492940 is an even 8-digits composite number following 21492939 and preceding 21492941. In scientific notation, it is written as 2.1492940 × 10^7. The sum of its digits is 31. It has a total of 4 prime factors and 12 positive divisors. There are 7368960 positive integers (up to 21492940) that are relatively prime to 21492940.

Interesting facts

Basic properties

Name

Name twenty-one million four hundred ninety-two thousand nine hundred forty

Notation

Scientific notation 2.1492940 × 10^7
Engineering notation 2.1492940 × 10^6

Prime Factorization of 21492940

Prime Factorization 2 × 2 × 35 × 153521

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 10746470
Product of the distinct prime numbers

The prime factorization of 21492940 is 2 × 2 × 35 × 153521. Since it has a total of 4 prime factors.

Most popular turbo-numbers

5, 6, 59, 18, 154, 431, 6688, 150, 88675, 23139, 209484, 944872, 9176641, 8796362, 90632406, 40663351, 98298900, 194784086, 8734109132, 6982650327

Basic calculations (n = 21492940)

Multiplication

n×y
n×2 42985880
n×3 64478820
n×4 85971760
n×5 107464700

Division

n÷y
n÷2 10746470
n÷3 7164313.3333333
n÷3 5373235
n÷5 4298588

Exponentiation

ny
n2 461946469843600
n3 9.9285877595603E+21
n4 2.1339454100096E+29
n5 4.5864760660613E+36

Nth Root

y√n
2√n 4636.0478858614
3√n 278.03444874419
4√n 68.088529767219
5√n 29.272456228133

Divisors of 21492940

1, 2, 4, 35, 70, 140, 153521, 307042, 614084, 5373235, 10746470, 21492940

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 -21492939
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 21492940 can be divided by 12 positive divisors. The sum of these divisors (counting 21492940) is 1, the average is 0.083333333333333.

Base conversion 21492940

Base System Value
2 Binary 1010001111111010011001100
3 Ternary 1111102221202211
4 Quaternary 1101333103030
5 Quinary 21000233230
6 Senary 2044400204
8 Octal 121772314
10 Decimal 21492940
12 Duodecimal 7246064
16 Hexadecimal 147f4cc
20 Vigesimal 6e6c70
36 Base36 cso24

Cryptographic Hash Functions

md5 6d5793c4cb4c5d27a84a8b4773dd8fc5
sha1 3ceeadc0696634ed9ca696e1c09c80a3e5f917fa
sha256 faeb23474bee8dace33ae1ee157a950dd3143e99a97e6def04e10497bc798980
sha512 ad7896469b4a63b386d9f96be19dfce94a32235ad3fe341e7759001b273f6a8aa5e7b7a4ddace1d501545e0db1ea665903979ca81a1583823dc5eaf633c48e66
ripemd-160 e770895b72005ce10e576e15470e871c3d7032dc

21492940 as geometric shapes

Circle

Radius = n
Diameter 42985880
Circumference 135044124.81609
Area 1.4512476360124E+15

Sphere

Radius = n
Volume 4.1588771154608E+22
Surface area 5.8049905440496E+15
Circumference 135044124.81609

Square

Length = n
Perimeter 85971760
Area 461946469843600
Diagonal 30395607.243271

Cube

Length = n
Surface area 2771678819061600
Volume 9.9285877595603E+21
Space diagonal 37226864.084029

Equilateral Triangle

Length = n
Perimeter 64478820
Area 2.0002868903655E+14
Altitude 18613432.042015

Triangular Pyramid

Length = n
Surface area 2.0002868903655E+14
Volume 1.1700952887318E+21
Height 10131869.08109