21009008 (number)

21009008 is an even 8-digits composite number following 21009007 and preceding 21009009. In scientific notation, it is written as 2.1009008 × 10^7. The sum of its digits is 20. It has a total of 6 prime factors and 20 positive divisors. There are 9886464 positive integers (up to 21009008) that are relatively prime to 21009008.

Interesting facts

Basic properties

Name

Name twenty-one million nine thousand eight

Notation

Scientific notation 2.1009008 × 10^7
Engineering notation 2.1009008 × 10^6

Prime Factorization of 21009008

Prime Factorization 2 × 2 × 2 × 2 × 17 × 77239

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 6
Total number of prime factors
rad Radical 2626126
Product of the distinct prime numbers

The prime factorization of 21009008 is 2 × 2 × 2 × 2 × 17 × 77239. Since it has a total of 6 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21009008)

Multiplication

n×y
n×2 42018016
n×3 63027024
n×4 84036032
n×5 105045040

Division

n÷y
n÷2 10504504
n÷3 7003002.6666667
n÷3 5252252
n÷5 4201801.6

Exponentiation

ny
n2 441378417144064
n3 9.272922696807E+21
n4 1.948149071206E+29
n5 4.0928679422159E+36

Nth Root

y√n
2√n 4583.5584429567
3√n 275.93186023546
4√n 67.70198256297
5√n 29.139433828469

Divisors of 21009008

20 divisors

τ Total Divisors 20
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21009007
Sum of the proper positive divisors of n
A Arithmetic Mean 0.05
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 20
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21009008 can be divided by 20 positive divisors. The sum of these divisors (counting 21009008) is 1, the average is 0.05.

Base conversion 21009008

Base System Value
2 Binary 1010000001001001001110000
3 Ternary 1110112100221102
4 Quaternary 1100021021300
5 Quinary 20334242013
6 Senary 2030143532
8 Octal 120111160
10 Decimal 21009008
12 Duodecimal 7051ba8
16 Hexadecimal 1409270
20 Vigesimal 6b62a8
36 Base36 ciank

Cryptographic Hash Functions

md5 8f71c3f8bfa8b3f8a157571f9d48f218
sha1 681e7aeaeea40485fad552d4a6405d994e6db1c8
sha256 ffbe6ca9642bb12f4b6970c6f9091d9ceb60673e0044f209381b23973876bd2b
sha512 f12ee991fc91f406f1f07529eba897c87731861c1bb261493339a7ce0688bebc332a35765f64060077a1f682e5a9ef90a94adbee7a120d9f2a2352bae8e15e07
ripemd-160 8f277acd8d04da4a1cf0152d6799f4d9a03ceaa1

21009008 as geometric shapes

Circle

Radius = n
Diameter 42018016
Circumference 132003490.38402
Area 1.3866311927529E+15

Sphere

Radius = n
Volume 3.8842327762126E+22
Surface area 5.5465247710115E+15
Circumference 132003490.38402

Square

Length = n
Perimeter 84036032
Area 441378417144064
Diagonal 29711224.045605

Cube

Length = n
Surface area 2648270502864384
Volume 9.272922696807E+21
Space diagonal 36388669.272621

Equilateral Triangle

Length = n
Perimeter 63027024
Area 1.9112246096446E+14
Altitude 18194334.63631

Triangular Pyramid

Length = n
Surface area 1.9112246096446E+14
Volume 1.0928244200551E+21
Height 9903741.348535