21690828 (number)

21690828 is an even 8-digits composite number following 21690827 and preceding 21690829. In scientific notation, it is written as 2.1690828 × 10^7. The sum of its digits is 36. It has a total of 5 prime factors and 24 positive divisors. There are 7230168 positive integers (up to 21690828) that are relatively prime to 21690828.

Interesting facts

Basic properties

Name

Name twenty-one million six hundred ninety thousand eight hundred twenty-eight

Notation

Scientific notation 2.1690828 × 10^7
Engineering notation 2.1690828 × 10^6

Prime Factorization of 21690828

Prime Factorization 2 × 2 × 3 × 27 × 66947

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 10845414
Product of the distinct prime numbers

The prime factorization of 21690828 is 2 × 2 × 3 × 27 × 66947. Since it has a total of 5 prime factors.

Most popular turbo-numbers

1, 2, 46, 30, 10, 816, 5155, 2336, 80689, 30917, 688700, 414045, 8575918, 9303458, 49056866, 84788478, 996740587, 119816979, 1622578030, 6296919794

Basic calculations (n = 21690828)

Multiplication

n×y
n×2 43381656
n×3 65072484
n×4 86763312
n×5 108454140

Division

n÷y
n÷2 10845414
n÷3 7230276
n÷3 5422707
n÷5 4338165.6

Exponentiation

ny
n2 470492019325584
n3 1.0205361466564E+22
n4 2.2136274024907E+29
n5 4.8015411243512E+36

Nth Root

y√n
2√n 4657.3413016441
3√n 278.88514176104
4√n 68.244716291037
5√n 29.326161783624

Divisors of 21690828

1, 2, 3, 4, 6, 12, 27, 54, 81, 108, 162, 324, 66947, 133894, 200841, 267788, 401682, 803364, 1807569, 3615138, 5422707, 7230276, 10845414, 21690828

24 divisors

τ Total Divisors 24
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21690827
Sum of the proper positive divisors of n
A Arithmetic Mean 0.041666666666667
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 24
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21690828 can be divided by 24 positive divisors. The sum of these divisors (counting 21690828) is 1, the average is 0.041666666666667.

Base conversion 21690828

Base System Value
2 Binary 1010010101111100111001100
3 Ternary 1111211000020000
4 Quaternary 1102233213030
5 Quinary 21023101303
6 Senary 2052524300
8 Octal 122574714
10 Decimal 21690828
12 Duodecimal 7320690
16 Hexadecimal 14af9cc
20 Vigesimal 6fb718
36 Base36 cwwr0

Cryptographic Hash Functions

md5 82a9ae3d0b2d26166f8f69a821bbbf42
sha1 c2ad79bd2895562c77d10d35582ad31235798462
sha256 16662a71a2f91438cf45f4bb3b42da8168806b5cc932fb3b91e553c54e6f7f10
sha512 efc91a3a4823489bf242c21152d74d5c00b910a7637555fc3ef11626d2cf0fdffe8086fd87ab573953a2beb909dab647abcb3d86272fce3d13d5049ae35a5a4d
ripemd-160 d4c3348f5a382d7f93cce53ce05612b30c437850

21690828 as geometric shapes

Circle

Radius = n
Diameter 43381656
Circumference 136287491.79016
Area 1.4780942714859E+15

Sphere

Radius = n
Volume 4.2748118147447E+22
Surface area 5.9123770859435E+15
Circumference 136287491.79016

Square

Length = n
Perimeter 86763312
Area 470492019325584
Diagonal 30675463.136702

Cube

Length = n
Surface area 2822952115953504
Volume 1.0205361466564E+22
Space diagonal 37569616.154238

Equilateral Triangle

Length = n
Perimeter 65072484
Area 2.037290205069E+14
Altitude 18784808.077119

Triangular Pyramid

Length = n
Surface area 2.037290205069E+14
Volume 1.2027133829112E+21
Height 10225154.378901