21909470 (number)

21909470 is an even 8-digits composite number following 21909469 and preceding 21909471. In scientific notation, it is written as 2.1909470 × 10^7. The sum of its digits is 32. It has a total of 5 prime factors and 24 positive divisors. There are 7539840 positive integers (up to 21909470) that are relatively prime to 21909470.

Interesting facts

Basic properties

Name

Name twenty-one million nine hundred nine thousand four hundred seventy

Notation

Scientific notation 2.1909470 × 10^7
Engineering notation 2.1909470 × 10^6

Prime Factorization of 21909470

Prime Factorization 2 × 95 × 11 × 11 × 953

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 1991770
Product of the distinct prime numbers

The prime factorization of 21909470 is 2 × 95 × 11 × 11 × 953. Since it has a total of 5 prime factors.

Most popular turbo-numbers

4, 5, 33, 68, 189, 773, 6481, 5865, 31823, 14415, 503026, 933508, 2239205, 1674907, 55969811, 99603665, 212201907, 151371756, 5526143654, 7348515113

Basic calculations (n = 21909470)

Multiplication

n×y
n×2 43818940
n×3 65728410
n×4 87637880
n×5 109547350

Division

n÷y
n÷2 10954735
n÷3 7303156.6666667
n÷3 5477367.5
n÷5 4381894

Exponentiation

ny
n2 480024875680900
n3 1.0517090612984E+22
n4 2.3042388127246E+29
n5 5.0484651140226E+36

Nth Root

y√n
2√n 4680.7552809349
3√n 279.819058267
4√n 68.416045493253
5√n 29.385045964572

Divisors of 21909470

1, 2, 11, 22, 95, 121, 190, 242, 953, 1045, 1906, 2090, 10483, 11495, 20966, 22990, 90535, 115313, 181070, 230626, 995885, 1991770, 10954735, 21909470

24 divisors

τ Total Divisors 24
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21909469
Sum of the proper positive divisors of n
A Arithmetic Mean 0.041666666666667
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 24
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21909470 can be divided by 24 positive divisors. The sum of these divisors (counting 21909470) is 1, the average is 0.041666666666667.

Base conversion 21909470

Base System Value
2 Binary 1010011100100111111011110
3 Ternary 1112020010010212
4 Quaternary 1103210333132
5 Quinary 21102100340
6 Senary 2101332422
8 Octal 123447736
10 Decimal 21909470
12 Duodecimal 7407112
16 Hexadecimal 14e4fde
20 Vigesimal 6gidda
36 Base36 d1lge

Cryptographic Hash Functions

md5 7460e2059e1ac299be96a7f87c7ced01
sha1 7d9a94d6a74cea0b9afeffab488bc6d94b84a118
sha256 a1e67de7acb6db928d48c7116a663e2b5d2aec5851c8c74482e1be4265d8bb1d
sha512 c87282c898e17d5697e68b68a1222f4e849bef84daf03e25162550e23cd0471d2239d2b0e81090381bc4d880df635caa93304f8ce83781ff39fe37ed8c997bb7
ripemd-160 a02213c30a45340d0b15019b03d1baf21bc2cce7

21909470 as geometric shapes

Circle

Radius = n
Diameter 43818940
Circumference 137661259.99209
Area 1.5080426229795E+15

Sphere

Radius = n
Volume 4.405388614252E+22
Surface area 6.0321704919179E+15
Circumference 137661259.99209

Square

Length = n
Perimeter 87637880
Area 480024875680900
Diagonal 30984669.618406

Cube

Length = n
Surface area 2880149254085400
Volume 1.0517090612984E+22
Space diagonal 37948315.206906

Equilateral Triangle

Length = n
Perimeter 65728410
Area 2.0785686839406E+14
Altitude 18974157.603453

Triangular Pyramid

Length = n
Surface area 2.0785686839406E+14
Volume 1.2394510151324E+21
Height 10328223.206135