21609947 (number)

21609947 is an odd 8-digits composite number following 21609946 and preceding 21609948. In scientific notation, it is written as 2.1609947 × 10^7. The sum of its digits is 38. It has a total of 2 prime factors and 4 positive divisors. There are 21599760 positive integers (up to 21609947) that are relatively prime to 21609947.

Interesting facts

Basic properties

Name

Name twenty-one million six hundred nine thousand nine hundred forty-seven

Notation

Scientific notation 2.1609947 × 10^7
Engineering notation 2.1609947 × 10^6

Prime Factorization of 21609947

Prime Factorization 3011 × 7177

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 21609947
Product of the distinct prime numbers

The prime factorization of 21609947 is 3011 × 7177. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21609947)

Multiplication

n×y
n×2 43219894
n×3 64829841
n×4 86439788
n×5 108049735

Division

n÷y
n÷2 10804973.5
n÷3 7203315.6666667
n÷3 5402486.75
n÷5 4321989.4

Exponentiation

ny
n2 466989809342809
n3 1.0091625029438E+22
n4 2.1807948203003E+29
n5 4.7126860484565E+36

Nth Root

y√n
2√n 4648.6500190916
3√n 278.53807334892
4√n 68.181009226115
5√n 29.304258746842

Divisors of 21609947

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 -21609946
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 21609947 can be divided by 4 positive divisors. The sum of these divisors (counting 21609947) is 1, the average is 0.25.

Base conversion 21609947

Base System Value
2 Binary 1010010011011110111011011
3 Ternary 1111122220021102
4 Quaternary 1102123313123
5 Quinary 21013004242
6 Senary 2051102015
8 Octal 122336733
10 Decimal 21609947
12 Duodecimal 72a190b
16 Hexadecimal 149bddb
20 Vigesimal 6f14h7
36 Base36 cv6cb

Cryptographic Hash Functions

md5 6fbe730b44eaf5d16cf420fe89aeb15c
sha1 b028e37fd4525791c5a700c8063bb70086896ec1
sha256 9eee83547e41fe31212a2f4a4fd9dbb0a3ad75d4a49950fd3ec69d61bdb24316
sha512 5e09915456ab3bf5080bbcfdd8a5ab462dc2283b284bbba23ac25f7525d9735f4117e876eb0f646cb3f4602f9cd40e6cdff0c7972ca58f4e99ba589fb15e4ef5
ripemd-160 82404e4bfa515567f364387fc0d2ff6c56f65c00

21609947 as geometric shapes

Circle

Radius = n
Diameter 43219894
Circumference 135779301.47933
Area 1.4670917543327E+15

Sphere

Radius = n
Volume 4.2271700073688E+22
Surface area 5.8683670173307E+15
Circumference 135779301.47933

Square

Length = n
Perimeter 86439788
Area 466989809342809
Diagonal 30561080.129564

Cube

Length = n
Surface area 2801938856056854
Volume 1.0091625029438E+22
Space diagonal 37429526.152871

Equilateral Triangle

Length = n
Perimeter 64829841
Area 2.0221251909966E+14
Altitude 18714763.076435

Triangular Pyramid

Length = n
Surface area 2.0221251909966E+14
Volume 1.1893094152513E+21
Height 10187026.709855