21490954 (number)

21490954 is an even 8-digits composite number following 21490953 and preceding 21490955. In scientific notation, it is written as 2.1490954 × 10^7. The sum of its digits is 34. It has a total of 2 prime factors and 4 positive divisors. There are 10745476 positive integers (up to 21490954) that are relatively prime to 21490954.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.1490954 × 10^7
Engineering notation 2.1490954 × 10^6

Prime Factorization of 21490954

Prime Factorization 2 × 10745477

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 21490954
Product of the distinct prime numbers

The prime factorization of 21490954 is 2 × 10745477. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21490954)

Multiplication

n×y
n×2 42981908
n×3 64472862
n×4 85963816
n×5 107454770

Division

n÷y
n÷2 10745477
n÷3 7163651.3333333
n÷3 5372738.5
n÷5 4298190.8

Exponentiation

ny
n2 461861103830116
n3 9.9258357368022E+21
n4 2.1331567923117E+29
n5 4.5843574498359E+36

Nth Root

y√n
2√n 4635.8336898556
3√n 278.02588479368
4√n 68.08695682622
5√n 29.271915238888

Divisors of 21490954

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 -21490953
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 21490954 can be divided by 4 positive divisors. The sum of these divisors (counting 21490954) is 1, the average is 0.25.

Base conversion 21490954

Base System Value
2 Binary 1010001111110110100001010
3 Ternary 1111102212001021
4 Quaternary 1101332310022
5 Quinary 21000202304
6 Senary 2044343054
8 Octal 121766412
10 Decimal 21490954
12 Duodecimal 7244a8a
16 Hexadecimal 147ed0a
20 Vigesimal 6e677e
36 Base36 csmiy

Cryptographic Hash Functions

md5 9339d0e248da4e5a10625b8789964ab3
sha1 d263199a76bb90921417092e73a4696df3c21990
sha256 cb47765f9cdad03c2ee791f22d64e1c2e6ce310a6e21faad61bedc1d5d54591c
sha512 4ce1aac8aa70b6230036e45fffc3f0f43dbc3f61acd0677205c70213c92e179df8f577be2d2997c4d091343ed366f6ae3eb38aefba7eee847c6ffb73a462ec87
ripemd-160 4ce3f2f6eafc901bc8047e7255c7a3ea8e11107e

21490954 as geometric shapes

Circle

Radius = n
Diameter 42981908
Circumference 135031646.41007
Area 1.4509794507716E+15

Sphere

Radius = n
Volume 4.1577243508636E+22
Surface area 5.8039178030863E+15
Circumference 135031646.41007

Square

Length = n
Perimeter 85963816
Area 461861103830116
Diagonal 30392798.615136

Cube

Length = n
Surface area 2771166622980696
Volume 9.9258357368022E+21
Space diagonal 37223424.231126

Equilateral Triangle

Length = n
Perimeter 64472862
Area 1.999917244684E+14
Altitude 18611712.115563

Triangular Pyramid

Length = n
Surface area 1.999917244684E+14
Volume 1.1697709597394E+21
Height 10130932.871712