30721898 (number)

30721898 is an even 8-digits composite number following 30721897 and preceding 30721899. In scientific notation, it is written as 3.0721898 × 10^7. The sum of its digits is 38. It has a total of 4 prime factors and 16 positive divisors. There are 14490000 positive integers (up to 30721898) that are relatively prime to 30721898.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 3.0721898 × 10^7
Engineering notation 3.0721898 × 10^6

Prime Factorization of 30721898

Prime Factorization 2 × 19 × 251 × 3221

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 30721898
Product of the distinct prime numbers

The prime factorization of 30721898 is 2 × 19 × 251 × 3221. Since it has a total of 4 prime factors.

Most popular turbo-numbers

9, 7, 54, 32, 296, 862, 2159, 6088, 78501, 3728, 401926, 58294, 5589731, 7591577, 33905866, 69154855, 11426370, 772692050, 2121809014, 7608560945

Basic calculations (n = 30721898)

Multiplication

n×y
n×2 61443796
n×3 92165694
n×4 122887592
n×5 153609490

Division

n÷y
n÷2 15360949
n÷3 10240632.666667
n÷3 7680474.5
n÷5 6144379.6

Exponentiation

ny
n2 943835016722404
n3 2.8996403112574E+22
n4 8.9082453879138E+29
n5 2.7367820616646E+37

Nth Root

y√n
2√n 5542.733802015
3√n 313.19586117698
4√n 74.449538628624
5√n 31.440511912664

Divisors of 30721898

1, 2, 19, 38, 251, 502, 3221, 4769, 6442, 9538, 61199, 122398, 808471, 1616942, 15360949, 30721898

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 -30721897
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 30721898 can be divided by 16 positive divisors. The sum of these divisors (counting 30721898) is 1, the average is 0.0625.

Base conversion 30721898

Base System Value
2 Binary 1110101001100011101101010
3 Ternary 2010210211112002
4 Quaternary 1311030131222
5 Quinary 30331100043
6 Senary 3014251002
8 Octal 165143552
10 Decimal 30721898
12 Duodecimal a356a62
16 Hexadecimal 1d4c76a
20 Vigesimal 9c04ei
36 Base36 iah62

Cryptographic Hash Functions

md5 1904dca254bde0fc7fa40ceedeeabfd3
sha1 23967e068088aa8d71a489b9f6cfbd86844890cf
sha256 4b839b18e9af93ec1e27bf196983a3564a5c7cfc97a1a421af9c49ab5642d518
sha512 c56922e54a670d05efadf10c24daec48488b60d4bc1d0f2ee2f69238134e1605752a9bba81b0bc6ad71b89322b5a2b3a654cb2b021d2e9510a5ce477ba2ea4ef
ripemd-160 bf9415b18a67a7f5d89b4ef861c1da16d838c1bb

30721898 as geometric shapes

Circle

Radius = n
Diameter 61443796
Circumference 193031378.12227
Area 2.9651451547359E+15

Sphere

Radius = n
Volume 1.2145984933199E+23
Surface area 1.1860580618944E+16
Circumference 193031378.12227

Square

Length = n
Perimeter 122887592
Area 943835016722404
Diagonal 43447324.813443

Cube

Length = n
Surface area 5663010100334424
Volume 2.8996403112574E+22
Space diagonal 53211888.240949

Equilateral Triangle

Length = n
Perimeter 92165694
Area 4.0869255073146E+14
Altitude 26605944.120474

Triangular Pyramid

Length = n
Surface area 4.0869255073146E+14
Volume 3.4172588784866E+21
Height 14482441.604481