30721890 (number)

30721890 is an even 8-digits composite number following 30721889 and preceding 30721891. In scientific notation, it is written as 3.0721890 × 10^7. The sum of its digits is 30. It has a total of 5 prime factors and 32 positive divisors. There are 7572480 positive integers (up to 30721890) that are relatively prime to 30721890.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 3.0721890 × 10^7
Engineering notation 3.0721890 × 10^6

Prime Factorization of 30721890

Prime Factorization 2 × 15 × 59 × 17 × 1021

Composite number
ω Distinct Factors 5
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 30721890
Product of the distinct prime numbers

The prime factorization of 30721890 is 2 × 15 × 59 × 17 × 1021. Since it has a total of 5 prime factors.

Most popular turbo-numbers

3, 2, 15, 45, 577, 518, 6847, 6144, 66072, 97954, 117397, 886252, 2279269, 7035830, 38751343, 94009846, 874048153, 191771109, 7706784926, 767712456

Basic calculations (n = 30721890)

Multiplication

n×y
n×2 61443780
n×3 92165670
n×4 122887560
n×5 153609450

Division

n÷y
n÷2 15360945
n÷3 10240630
n÷3 7680472.5
n÷5 6144378

Exponentiation

ny
n2 943834525172100
n3 2.8996380460539E+22
n4 8.9082361090684E+29
n5 2.7367784983683E+37

Nth Root

y√n
2√n 5542.7330803494
3√n 313.19583399152
4√n 74.449533781948
5√n 31.440510275239

Divisors of 30721890

1, 2, 15, 17, 30, 34, 59, 118, 255, 510, 885, 1003, 1021, 1770, 2006, 2042, 15045, 15315, 17357, 30090, 30630, 34714, 60239, 120478, 260355, 520710, 903585, 1024063, 1807170, 2048126, 15360945, 30721890

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 -30721889
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 30721890 can be divided by 32 positive divisors. The sum of these divisors (counting 30721890) is 1, the average is 0.03125.

Base conversion 30721890

Base System Value
2 Binary 1110101001100011101100010
3 Ternary 2010210211111210
4 Quaternary 1311030131202
5 Quinary 30331100030
6 Senary 3014250550
8 Octal 165143542
10 Decimal 30721890
12 Duodecimal a356a56
16 Hexadecimal 1d4c762
20 Vigesimal 9c04ea
36 Base36 iah5u

Cryptographic Hash Functions

md5 df53628a519bf027ed36a9f37e689ec6
sha1 716c9bf533704f98611562ae5b4fa0f94f939a3b
sha256 ec6cb08dc0334d650234f5d9f288dbc408359976b62c6d2ad4fa7809dce0874a
sha512 3a49c8d119816240166c08953cbcfb9df0a992ab5c260b2e3668463cc5f0a4c28b468a9a71fe0e5b2c20f25dd28886175f12bdf419ecdf031e5240fc9067c4ff
ripemd-160 37b80d7d54ffa93db57ca5392f300053c2f9d7c3

30721890 as geometric shapes

Circle

Radius = n
Diameter 61443780
Circumference 193031327.85679
Area 2.9651436104851E+15

Sphere

Radius = n
Volume 1.2145975444737E+23
Surface area 1.186057444194E+16
Circumference 193031327.85679

Square

Length = n
Perimeter 122887560
Area 943834525172100
Diagonal 43447313.499734

Cube

Length = n
Surface area 5663007151032600
Volume 2.8996380460539E+22
Space diagonal 53211874.384542

Equilateral Triangle

Length = n
Perimeter 92165670
Area 4.0869233788393E+14
Altitude 26605937.192271

Triangular Pyramid

Length = n
Surface area 4.0869233788393E+14
Volume 3.4172562089188E+21
Height 14482437.833245