21495953 (number)

21495953 is an odd 8-digits composite number following 21495952 and preceding 21495954. In scientific notation, it is written as 2.1495953 × 10^7. The sum of its digits is 38. It has a total of 2 prime factors and 4 positive divisors. There are 21472308 positive integers (up to 21495953) that are relatively prime to 21495953.

Interesting facts

Basic properties

Name

Name twenty-one million four hundred ninety-five thousand nine hundred fifty-three

Notation

Scientific notation 2.1495953 × 10^7
Engineering notation 2.1495953 × 10^6

Prime Factorization of 21495953

Prime Factorization 947 × 22699

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 21495953
Product of the distinct prime numbers

The prime factorization of 21495953 is 947 × 22699. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21495953)

Multiplication

n×y
n×2 42991906
n×3 64487859
n×4 85983812
n×5 107479765

Division

n÷y
n÷2 10747976.5
n÷3 7165317.6666667
n÷3 5373988.25
n÷5 4299190.6

Exponentiation

ny
n2 462075995378209
n3 9.9327638790782E+21
n4 2.1351422550476E+29
n5 4.5896917562818E+36

Nth Root

y√n
2√n 4636.3728279766
3√n 278.04744027617
4√n 68.090915899088
5√n 29.273276897296

Divisors of 21495953

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 -21495952
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 21495953 can be divided by 4 positive divisors. The sum of these divisors (counting 21495953) is 1, the average is 0.25.

Base conversion 21495953

Base System Value
2 Binary 1010010000000000010010001
3 Ternary 1111110002220102
4 Quaternary 1102000002101
5 Quinary 21000332303
6 Senary 2044422145
8 Octal 122000221
10 Decimal 21495953
12 Duodecimal 7247955
16 Hexadecimal 1480091
20 Vigesimal 6e6jhd
36 Base36 csqdt

Cryptographic Hash Functions

md5 4356155d754fccab9efe776808038ea0
sha1 d5b872e0863e7eaac96a34f1c39785e7bb2fea20
sha256 6cea82919c636c3337300f9f95efdce738f4420e6f4b9283dbf2b56bf4dc7d14
sha512 e5964b8136b1bee2c21b456c1c0a9bbe013172bb5a8700defa612fa90462062cad021b3bd85190204f012ee1824feb8c2474ceb1f8945757a95ce1a123507002
ripemd-160 296a64731073bfb384981a9b29d4f91467059159

21495953 as geometric shapes

Circle

Radius = n
Diameter 42991906
Circumference 135063056.05342
Area 1.4516545524804E+15

Sphere

Radius = n
Volume 4.1606264043139E+22
Surface area 5.8066182099215E+15
Circumference 135063056.05342

Square

Length = n
Perimeter 85983812
Area 462075995378209
Diagonal 30399868.268735

Cube

Length = n
Surface area 2772455972269254
Volume 9.9327638790782E+21
Space diagonal 37232082.753113

Equilateral Triangle

Length = n
Perimeter 64487859
Area 2.0008477523825E+14
Altitude 18616041.376556

Triangular Pyramid

Length = n
Surface area 2.0008477523825E+14
Volume 1.1705874491368E+21
Height 10133289.422912