21553947 (number)

21553947 is an odd 8-digits composite number following 21553946 and preceding 21553948. In scientific notation, it is written as 2.1553947 × 10^7. The sum of its digits is 36. It has a total of 3 prime factors and 8 positive divisors. There are 14346720 positive integers (up to 21553947) that are relatively prime to 21553947.

Interesting facts

Basic properties

Name

Name twenty-one million five hundred fifty-three thousand nine hundred forty-seven

Notation

Scientific notation 2.1553947 × 10^7
Engineering notation 2.1553947 × 10^6

Prime Factorization of 21553947

Prime Factorization 9 × 811 × 2953

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 21553947
Product of the distinct prime numbers

The prime factorization of 21553947 is 9 × 811 × 2953. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21553947)

Multiplication

n×y
n×2 43107894
n×3 64661841
n×4 86215788
n×5 107769735

Division

n÷y
n÷2 10776973.5
n÷3 7184649
n÷3 5388486.75
n÷5 4310789.4

Exponentiation

ny
n2 464572631278809
n3 1.0013373872234E+22
n4 2.1582772973332E+29
n5 4.6519394478022E+36

Nth Root

y√n
2√n 4642.6228578251
3√n 278.29726410181
4√n 68.13679518311
5√n 29.289055172546

Divisors of 21553947

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 -21553946
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 21553947 can be divided by 8 positive divisors. The sum of these divisors (counting 21553947) is 1, the average is 0.125.

Base conversion 21553947

Base System Value
2 Binary 1010010001110001100011011
3 Ternary 1111120001110100
4 Quaternary 1102032030123
5 Quinary 21004211242
6 Senary 2045550443
8 Octal 122161433
10 Decimal 21553947
12 Duodecimal 7275423
16 Hexadecimal 148e31b
20 Vigesimal 6ee4h7
36 Base36 ctz4r

Cryptographic Hash Functions

md5 6471c389637278d140956bb00b2c0b63
sha1 48bed74ad61b6b9fa8207c85082646394cbfcb34
sha256 a02729579d4d9ab094102e649f6cf4813ef1c1b4fc53769a026826159d917a3c
sha512 e4bca0fe3c93bf137dd8523110b3f6d7cadd90db30cb9d2a06085030eda91915b9c2b3c13670532bf8bece45fb8c295a929b399c26e3c07f3dfa09025aee44b3
ripemd-160 fba54f69db03d582d5e7769e3e9ab31ef7a86033

21553947 as geometric shapes

Circle

Radius = n
Diameter 43107894
Circumference 135427443.10213
Area 1.4594979654844E+15

Sphere

Radius = n
Volume 4.1943922392878E+22
Surface area 5.8379918619375E+15
Circumference 135427443.10213

Square

Length = n
Perimeter 86215788
Area 464572631278809
Diagonal 30481884.170071

Cube

Length = n
Surface area 2787435787672854
Volume 1.0013373872234E+22
Space diagonal 37332531.307647

Equilateral Triangle

Length = n
Perimeter 64661841
Area 2.0116585029521E+14
Altitude 18666265.653823

Triangular Pyramid

Length = n
Surface area 2.0116585029521E+14
Volume 1.1800874279355E+21
Height 10160628.05669