21689970 (number)

21689970 is an even 8-digits composite number following 21689969 and preceding 21689971. In scientific notation, it is written as 2.1689970 × 10^7. The sum of its digits is 42. It has a total of 4 prime factors and 16 positive divisors. There are 5508608 positive integers (up to 21689970) that are relatively prime to 21689970.

Interesting facts

Basic properties

Name

Name twenty-one million six hundred eighty-nine thousand nine hundred seventy

Notation

Scientific notation 2.1689970 × 10^7
Engineering notation 2.1689970 × 10^6

Prime Factorization of 21689970

Prime Factorization 2 × 15 × 3103 × 233

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 21689970
Product of the distinct prime numbers

The prime factorization of 21689970 is 2 × 15 × 3103 × 233. Since it has a total of 4 prime factors.

Most popular turbo-numbers

9, 10, 71, 44, 291, 169, 6675, 3703, 93958, 91501, 730021, 435623, 1458949, 1868236, 68518143, 71540601, 950741931, 362154176, 3907361952, 8253277488

Basic calculations (n = 21689970)

Multiplication

n×y
n×2 43379940
n×3 65069910
n×4 86759880
n×5 108449850

Division

n÷y
n÷2 10844985
n÷3 7229990
n÷3 5422492.5
n÷5 4337994

Exponentiation

ny
n2 470454798600900
n3 1.020415046801E+22
n4 2.2132771752661E+29
n5 4.8005915533207E+36

Nth Root

y√n
2√n 4657.2491880938
3√n 278.88146452925
4√n 68.244041410908
5√n 29.325929775469

Divisors of 21689970

1, 2, 15, 30, 233, 466, 3103, 3495, 6206, 6990, 46545, 93090, 722999, 1445998, 10844985, 21689970

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 -21689969
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 21689970 can be divided by 16 positive divisors. The sum of these divisors (counting 21689970) is 1, the average is 0.0625.

Base conversion 21689970

Base System Value
2 Binary 1010010101111011001110010
3 Ternary 1111210222001020
4 Quaternary 1102233121302
5 Quinary 21023034340
6 Senary 2052520310
8 Octal 122573162
10 Decimal 21689970
12 Duodecimal 7320096
16 Hexadecimal 14af672
20 Vigesimal 6fb4ia
36 Base36 cww36

Cryptographic Hash Functions

md5 c9397d8f13c3b2e268b8b160aa664b3f
sha1 630ee837a9cbd12b0068c874752ce114b3db7b83
sha256 61c38c3590399b6698cd151772716e36704dd2346717e76dbc42795a0ac7c448
sha512 59caa66265ebed03ec3874aeedaa73046da5399deae2d26a49077371cbaa802417ae08a344a7f5c3704a435561975af646e734308b309c07723016e65e01070f
ripemd-160 417f933dbfa8987e969060fc6eba43ca00ab4853

21689970 as geometric shapes

Circle

Radius = n
Diameter 43379940
Circumference 136282100.81717
Area 1.4779773391307E+15

Sphere

Radius = n
Volume 4.2743045528565E+22
Surface area 5.9119093565226E+15
Circumference 136282100.81717

Square

Length = n
Perimeter 86759880
Area 470454798600900
Diagonal 30674249.741466

Cube

Length = n
Surface area 2822728791605400
Volume 1.020415046801E+22
Space diagonal 37568130.054645

Equilateral Triangle

Length = n
Perimeter 65069910
Area 2.0371290346034E+14
Altitude 18784065.027322

Triangular Pyramid

Length = n
Surface area 2.0371290346034E+14
Volume 1.2025706653629E+21
Height 10224749.913822