21720008 (number)

21720008 is an even 8-digits composite number following 21720007 and preceding 21720009. In scientific notation, it is written as 2.1720008 × 10^7. The sum of its digits is 20. It has a total of 5 prime factors and 16 positive divisors. There are 10790208 positive integers (up to 21720008) that are relatively prime to 21720008.

Interesting facts

Basic properties

Name

Name twenty-one million seven hundred twenty thousand eight

Notation

Scientific notation 2.1720008 × 10^7
Engineering notation 2.1720008 × 10^6

Prime Factorization of 21720008

Prime Factorization 2 × 2 × 2 × 157 × 17293

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 5430002
Product of the distinct prime numbers

The prime factorization of 21720008 is 2 × 2 × 2 × 157 × 17293. Since it has a total of 5 prime factors.

Most popular turbo-numbers

9, 6, 1, 75, 499, 786, 6761, 2340, 35450, 93503, 229599, 346449, 4465372, 8513834, 56490601, 67574385, 537299665, 162299292, 2914261386, 4614101127

Basic calculations (n = 21720008)

Multiplication

n×y
n×2 43440016
n×3 65160024
n×4 86880032
n×5 108600040

Division

n÷y
n÷2 10860004
n÷3 7240002.6666667
n÷3 5430002
n÷5 4344001.6

Exponentiation

ny
n2 471758747520064
n3 1.0246603770206E+22
n4 2.225563158617E+29
n5 4.8339249609666E+36

Nth Root

y√n
2√n 4660.4729373745
3√n 279.01014424218
4√n 68.267656597942
5√n 29.334047856883

Divisors of 21720008

1, 2, 4, 8, 157, 314, 628, 1256, 17293, 34586, 69172, 138344, 2715001, 5430002, 10860004, 21720008

16 divisors

τ Total Divisors 16
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21720007
Sum of the proper positive divisors of n
A Arithmetic Mean 0.0625
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 16
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21720008 can be divided by 16 positive divisors. The sum of these divisors (counting 21720008) is 1, the average is 0.0625.

Base conversion 21720008

Base System Value
2 Binary 1010010110110101111001000
3 Ternary 1111212111020202
4 Quaternary 1102312233020
5 Quinary 21030020013
6 Senary 2053311332
8 Octal 122665710
10 Decimal 21720008
12 Duodecimal 7335548
16 Hexadecimal 14b6bc8
20 Vigesimal 6ff008
36 Base36 cxj9k

Cryptographic Hash Functions

md5 91d41d761da85ea8ea011482bfc9dad0
sha1 66197e25c600fdb134b9f0c56b8bb0ec99e518c4
sha256 6ae6434696748a72feca9b92b5a3f6e1af10dceb81bde2680ffd16d9a4199c15
sha512 2f74f91bcd6cae726c35d69babc8b55c05943b4b7b615797da0e174c036bd6af22a369b257a809a058c7adc712b0a2f99ca7f7f59b39586831f5599d579e3f98
ripemd-160 6a00063fa71fe67ad9a09151e0ea35c1fbcff9ac

21720008 as geometric shapes

Circle

Radius = n
Diameter 43440016
Circumference 136470835.13742
Area 1.4820738154758E+15

Sphere

Radius = n
Volume 4.2920873504965E+22
Surface area 5.928295261903E+15
Circumference 136470835.13742

Square

Length = n
Perimeter 86880032
Area 471758747520064
Diagonal 30716729.888452

Cube

Length = n
Surface area 2830552485120384
Volume 1.0246603770206E+22
Space diagonal 37620157.396802

Equilateral Triangle

Length = n
Perimeter 65160024
Area 2.0427752990495E+14
Altitude 18810078.698401

Triangular Pyramid

Length = n
Surface area 2.0427752990495E+14
Volume 1.2075738350074E+21
Height 10238909.962817