30721828 (number)

30721828 is an even 8-digits composite number following 30721827 and preceding 30721829. In scientific notation, it is written as 3.0721828 × 10^7. The sum of its digits is 31. It has a total of 4 prime factors and 12 positive divisors. There are 15347592 positive integers (up to 30721828) that are relatively prime to 30721828.

Interesting facts

Basic properties

Name

Name thirty million seven hundred twenty-one thousand eight hundred twenty-eight

Notation

Scientific notation 3.0721828 × 10^7
Engineering notation 3.0721828 × 10^6

Prime Factorization of 30721828

Prime Factorization 2 × 2 × 1483 × 5179

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 15360914
Product of the distinct prime numbers

The prime factorization of 30721828 is 2 × 2 × 1483 × 5179. Since it has a total of 4 prime factors.

Most popular turbo-numbers

1, 6, 17, 83, 519, 601, 6538, 654, 94781, 74625, 118968, 744244, 8076946, 5427146, 36028922, 15275617, 708309159, 256154597, 8529628367, 4228498712

Basic calculations (n = 30721828)

Multiplication

n×y
n×2 61443656
n×3 92165484
n×4 122887312
n×5 153609140

Division

n÷y
n÷2 15360914
n÷3 10240609.333333
n÷3 7680457
n÷5 6144365.6

Exponentiation

ny
n2 943830715661584
n3 2.8996204907672E+22
n4 8.9081641982626E+29
n5 2.7367508829478E+37

Nth Root

y√n
2√n 5542.7274874379
3√n 313.19562330402
4√n 74.449496220176
5√n 31.440497585178

Divisors of 30721828

1, 2, 4, 1483, 2966, 5179, 5932, 10358, 20716, 7680457, 15360914, 30721828

12 divisors

τ Total Divisors 12
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -30721827
Sum of the proper positive divisors of n
A Arithmetic Mean 0.083333333333333
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 12
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 30721828 can be divided by 12 positive divisors. The sum of these divisors (counting 30721828) is 1, the average is 0.083333333333333.

Base conversion 30721828

Base System Value
2 Binary 1110101001100011100100100
3 Ternary 2010210211102111
4 Quaternary 1311030130210
5 Quinary 30331044303
6 Senary 3014250404
8 Octal 165143444
10 Decimal 30721828
12 Duodecimal a356a04
16 Hexadecimal 1d4c724
20 Vigesimal 9c04b8
36 Base36 iah44

Cryptographic Hash Functions

md5 6c90d6f5013cc77731bdef0ef965e6f0
sha1 36246352cd142eec912e902ebc774542e16c674e
sha256 6f131a8a4c985e5b253ffcdafb19923003c85ef9df1afff2d3e78717ff83b304
sha512 e89b65c86a1aa7ea4b647f8b827b8a9a434af705485283dacf7cdcd52e775cb336a120dab36d0a21f9ba84b038f97401f93d495da7de4f3d8ace5ae3e3e93fcb
ripemd-160 4a5f69926d689e4efd75be66929bbb28b31bf14d

30721828 as geometric shapes

Circle

Radius = n
Diameter 61443656
Circumference 193030938.2993
Area 2.9651316425548E+15

Sphere

Radius = n
Volume 1.2145901909324E+23
Surface area 1.1860526570219E+16
Circumference 193030938.2993

Square

Length = n
Perimeter 122887312
Area 943830715661584
Diagonal 43447225.818494

Cube

Length = n
Surface area 5662984293969504
Volume 2.8996204907672E+22
Space diagonal 53211766.997392

Equilateral Triangle

Length = n
Perimeter 92165484
Area 4.0869068831749E+14
Altitude 26605883.498696

Triangular Pyramid

Length = n
Surface area 4.0869068831749E+14
Volume 3.4172355198149E+21
Height 14482408.606165