21961009 (number)

21961009 is an odd 8-digits composite number following 21961008 and preceding 21961010. In scientific notation, it is written as 2.1961009 × 10^7. The sum of its digits is 28. It has a total of 3 prime factors and 8 positive divisors. There are 18802320 positive integers (up to 21961009) that are relatively prime to 21961009.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.1961009 × 10^7
Engineering notation 2.1961009 × 10^6

Prime Factorization of 21961009

Prime Factorization 7 × 1997 × 1571

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 21961009
Product of the distinct prime numbers

The prime factorization of 21961009 is 7 × 1997 × 1571. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21961009)

Multiplication

n×y
n×2 43922018
n×3 65883027
n×4 87844036
n×5 109805045

Division

n÷y
n÷2 10980504.5
n÷3 7320336.3333333
n÷3 5490252.25
n÷5 4392201.8

Exponentiation

ny
n2 482285916298081
n3 1.0591485348395E+22
n4 2.3259970505948E+29
n5 5.1081242162086E+36

Nth Root

y√n
2√n 4686.2574619839
3√n 280.03829833275
4√n 68.456244872064
5√n 29.398857826328

Divisors of 21961009

8 divisors

τ Total Divisors 8
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21961008
Sum of the proper positive divisors of n
A Arithmetic Mean 0.125
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 8
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21961009 can be divided by 8 positive divisors. The sum of these divisors (counting 21961009) is 1, the average is 0.125.

Base conversion 21961009

Base System Value
2 Binary 1010011110001100100110001
3 Ternary 1112022201211201
4 Quaternary 1103301210301
5 Quinary 21110223014
6 Senary 2102411201
8 Octal 123614461
10 Decimal 21961009
12 Duodecimal 7430b01
16 Hexadecimal 14f1931
20 Vigesimal 6h52a9
36 Base36 d2p81

Cryptographic Hash Functions

md5 4a206f8a18d72b7d7cfa552ce2218f41
sha1 51adf5758c28b0d5ee03e18ae9a521720edc0b94
sha256 923c4806ebb7f9a9de4168fc06f2cc318fc7efd700b833bf7ec9ced32f36c263
sha512 2f44240627e72b479d4a1d829787f9f378b26289d8e445cba643caf8afdc7c4845109ec1d80de2a1e19e7b951fc0c84e3c28d522fbf4e4f08efb71a5bd3a595c
ripemd-160 fbfe4285b664bc0dfe8f92e536b119199d065e57

21961009 as geometric shapes

Circle

Radius = n
Diameter 43922018
Circumference 137985089.07964
Area 1.5151458915719E+15

Sphere

Radius = n
Volume 4.4365510081497E+22
Surface area 6.0605835662875E+15
Circumference 137985089.07964

Square

Length = n
Perimeter 87844036
Area 482285916298081
Diagonal 31057556.771198

Cube

Length = n
Surface area 2893715497788486
Volume 1.0591485348395E+22
Space diagonal 38037583.373477

Equilateral Triangle

Length = n
Perimeter 65883027
Area 2.088359277008E+14
Altitude 19018791.686739

Triangular Pyramid

Length = n
Surface area 2.088359277008E+14
Volume 1.2482185187814E+21
Height 10352518.923733