21609972 (number)

21609972 is an even 8-digits composite number following 21609971 and preceding 21609973. In scientific notation, it is written as 2.1609972 × 10^7. The sum of its digits is 36. It has a total of 6 prime factors and 36 positive divisors. There are 6889872 positive integers (up to 21609972) that are relatively prime to 21609972.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.1609972 × 10^7
Engineering notation 2.1609972 × 10^6

Prime Factorization of 21609972

Prime Factorization 2 × 2 × 3 × 3 × 23 × 26099

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 6
Total number of prime factors
rad Radical 3601662
Product of the distinct prime numbers

The prime factorization of 21609972 is 2 × 2 × 3 × 3 × 23 × 26099. Since it has a total of 6 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21609972)

Multiplication

n×y
n×2 43219944
n×3 64829916
n×4 86439888
n×5 108049860

Division

n÷y
n÷2 10804986
n÷3 7203324
n÷3 5402493
n÷5 4321994.4

Exponentiation

ny
n2 466990889840784
n3 1.0091660053714E+22
n4 2.1808049119429E+29
n5 4.7127133084548E+36

Nth Root

y√n
2√n 4648.6527080435
3√n 278.53818076009
4√n 68.181028945327
5√n 29.30426552711

Divisors of 21609972

36 divisors

τ Total Divisors 36
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21609971
Sum of the proper positive divisors of n
A Arithmetic Mean 0.027777777777778
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 36
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21609972 can be divided by 36 positive divisors. The sum of these divisors (counting 21609972) is 1, the average is 0.027777777777778.

Base conversion 21609972

Base System Value
2 Binary 1010010011011110111110100
3 Ternary 1111122220022100
4 Quaternary 1102123313310
5 Quinary 21013004342
6 Senary 2051102100
8 Octal 122336764
10 Decimal 21609972
12 Duodecimal 72a1930
16 Hexadecimal 149bdf4
20 Vigesimal 6f14ic
36 Base36 cv6d0

Cryptographic Hash Functions

md5 ffc6280769c6b9b6c1268f7919893f61
sha1 f2a26e7f51e6895027a815163e15daf5788912c2
sha256 5a97d9410381cdb833c3a987ac699304867f30a60c1e1a26ec12fdc10015066a
sha512 05a940cd3c17d5a7b44733b00d765cbb7beacf355debc81d61455c800c0c918cc289607269ef8c9f096a1c6d3bb41c36053400f4aca434dd2093ca403c2eb77e
ripemd-160 b4d832ecfd29e7c2e912704f2f84e552418014de

21609972 as geometric shapes

Circle

Radius = n
Diameter 43219944
Circumference 135779458.55896
Area 1.4670951488172E+15

Sphere

Radius = n
Volume 4.2271846783033E+22
Surface area 5.8683805952687E+15
Circumference 135779458.55896

Square

Length = n
Perimeter 86439888
Area 466990889840784
Diagonal 30561115.484903

Cube

Length = n
Surface area 2801945339044704
Volume 1.0091660053714E+22
Space diagonal 37429569.454141

Equilateral Triangle

Length = n
Perimeter 64829916
Area 2.0221298696901E+14
Altitude 18714784.72707

Triangular Pyramid

Length = n
Surface area 2.0221298696901E+14
Volume 1.1893135429018E+21
Height 10187038.494968