21490968 (number)

21490968 is an even 8-digits composite number following 21490967 and preceding 21490969. In scientific notation, it is written as 2.1490968 × 10^7. The sum of its digits is 39. It has a total of 5 prime factors and 16 positive divisors. There are 7163648 positive integers (up to 21490968) that are relatively prime to 21490968.

Interesting facts

Basic properties

Name

Name twenty-one million four hundred ninety thousand nine hundred sixty-eight

Notation

Scientific notation 2.1490968 × 10^7
Engineering notation 2.1490968 × 10^6

Prime Factorization of 21490968

Prime Factorization 2 × 2 × 2 × 3 × 895457

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 5372742
Product of the distinct prime numbers

The prime factorization of 21490968 is 2 × 2 × 2 × 3 × 895457. Since it has a total of 5 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21490968)

Multiplication

n×y
n×2 42981936
n×3 64472904
n×4 85963872
n×5 107454840

Division

n÷y
n÷2 10745484
n÷3 7163656
n÷3 5372742
n÷5 4298193.6

Exponentiation

ny
n2 461861705577024
n3 9.9258551349812E+21
n4 2.1331623507852E+29
n5 4.5843723819529E+36

Nth Root

y√n
2√n 4635.8351998318
3√n 278.02594516577
4√n 68.086967914806
5√n 29.271919052648

Divisors of 21490968

16 divisors

τ Total Divisors 16
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21490967
Sum of the proper positive divisors of n
A Arithmetic Mean 0.0625
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 16
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21490968 can be divided by 16 positive divisors. The sum of these divisors (counting 21490968) is 1, the average is 0.0625.

Base conversion 21490968

Base System Value
2 Binary 1010001111110110100011000
3 Ternary 1111102212001210
4 Quaternary 1101332310120
5 Quinary 21000202333
6 Senary 2044343120
8 Octal 121766430
10 Decimal 21490968
12 Duodecimal 7244aa0
16 Hexadecimal 147ed18
20 Vigesimal 6e6788
36 Base36 csmjc

Cryptographic Hash Functions

md5 5e9f38399cbc83b116524e1fb6694ffa
sha1 46afaed711e8dcaf0808a387adcd3d00b6214ac7
sha256 a30baf9f70b5e50eed59601b6d2bbc57efa88e7266d32293b7635e8686626d61
sha512 69079d6c82bd2b1fc95795be4a241e1deb9ab2c2ec3994e88fef503a968f4ee0109d2f85f031f777feef3ec12b48ea6ae5abf69db21d9264ca8752099a305b42
ripemd-160 81879667980c5c34c5a56b8a6d297d14ed5b9ecd

21490968 as geometric shapes

Circle

Radius = n
Diameter 42981936
Circumference 135031734.37467
Area 1.4509813412152E+15

Sphere

Radius = n
Volume 4.1577324763538E+22
Surface area 5.8039253648609E+15
Circumference 135031734.37467

Square

Length = n
Perimeter 85963872
Area 461861705577024
Diagonal 30392818.414126

Cube

Length = n
Surface area 2771170233462144
Volume 9.9258551349812E+21
Space diagonal 37223448.479837

Equilateral Triangle

Length = n
Perimeter 64472904
Area 1.9999198503246E+14
Altitude 18611724.239918

Triangular Pyramid

Length = n
Surface area 1.9999198503246E+14
Volume 1.1697732458368E+21
Height 10130939.471375