21820008 (number)

21820008 is an even 8-digits composite number following 21820007 and preceding 21820009. In scientific notation, it is written as 2.1820008 × 10^7. The sum of its digits is 21. It has a total of 6 prime factors and 32 positive divisors. There are 5962176 positive integers (up to 21820008) that are relatively prime to 21820008.

Interesting facts

Basic properties

Name

Name twenty-one million eight hundred twenty thousand eight

Notation

Scientific notation 2.1820008 × 10^7
Engineering notation 2.1820008 × 10^6

Prime Factorization of 21820008

Prime Factorization 2 × 2 × 2 × 21 × 23 × 5647

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 6
Total number of prime factors
rad Radical 5455002
Product of the distinct prime numbers

The prime factorization of 21820008 is 2 × 2 × 2 × 21 × 23 × 5647. Since it has a total of 6 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21820008)

Multiplication

n×y
n×2 43640016
n×3 65460024
n×4 87280032
n×5 109100040

Division

n÷y
n÷2 10910004
n÷3 7273336
n÷3 5455002
n÷5 4364001.6

Exponentiation

ny
n2 476112749120064
n3 1.0388783994702E+22
n4 2.2668334987466E+29
n5 4.946232507732E+36

Nth Root

y√n
2√n 4671.1891419637
3√n 279.43768098452
4√n 68.346098220482
5√n 29.361009333548

Divisors of 21820008

32 divisors

τ Total Divisors 32
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21820007
Sum of the proper positive divisors of n
A Arithmetic Mean 0.03125
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 32
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21820008 can be divided by 32 positive divisors. The sum of these divisors (counting 21820008) is 1, the average is 0.03125.

Base conversion 21820008

Base System Value
2 Binary 1010011001111001001101000
3 Ternary 1112001120102110
4 Quaternary 1103033021220
5 Quinary 21041220013
6 Senary 2055402320
8 Octal 123171150
10 Decimal 21820008
12 Duodecimal 73833a0
16 Hexadecimal 14cf268
20 Vigesimal 6g7a08
36 Base36 czofc

Cryptographic Hash Functions

md5 e45c8d9e110dd5cd009e1e15457d917b
sha1 5cecf83612cc70f4a00d43fe7fa1b075b1cc8fca
sha256 67d0e14d742a4f84b27c6720b74e52a564639cf0fc95ba12557914af8b80a1a0
sha512 7d1f0d25e5717d8c3baba63877975b565f87d989e9dc093f1282d125162fa77f4d6aac3e40ee9617298fee1e1945ea8f38eeb355284a68105ac242c72e8107e0
ripemd-160 e81c5a15fd1d76ee7f6201c3a509d54bccf69519

21820008 as geometric shapes

Circle

Radius = n
Diameter 43640016
Circumference 137099153.66814
Area 1.495752314916E+15

Sphere

Radius = n
Volume 4.3516436636648E+22
Surface area 5.9830092596641E+15
Circumference 137099153.66814

Square

Length = n
Perimeter 87280032
Area 476112749120064
Diagonal 30858151.244689

Cube

Length = n
Surface area 2856676494720384
Volume 1.0388783994702E+22
Space diagonal 37793362.477559

Equilateral Triangle

Length = n
Perimeter 65460024
Area 2.0616286790181E+14
Altitude 18896681.23878

Triangular Pyramid

Length = n
Surface area 2.0616286790181E+14
Volume 1.224329935156E+21
Height 10286050.414896