30721889 (number)

30721889 is an odd 8-digits composite number following 30721888 and preceding 30721890. In scientific notation, it is written as 3.0721889 × 10^7. The sum of its digits is 38. It has a total of 3 prime factors and 8 positive divisors. There are 27836640 positive integers (up to 30721889) that are relatively prime to 30721889.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 3.0721889 × 10^7
Engineering notation 3.0721889 × 10^6

Prime Factorization of 30721889

Prime Factorization 11 × 313 × 8923

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 30721889
Product of the distinct prime numbers

The prime factorization of 30721889 is 11 × 313 × 8923. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 30721889)

Multiplication

n×y
n×2 61443778
n×3 92165667
n×4 122887556
n×5 153609445

Division

n÷y
n÷2 15360944.5
n÷3 10240629.666667
n÷3 7680472.25
n÷5 6144377.8

Exponentiation

ny
n2 943834463728321
n3 2.8996377629036E+22
n4 8.9082349492133E+29
n5 2.7367780529565E+37

Nth Root

y√n
2√n 5542.7329901412
3√n 313.19583059334
4√n 74.449533176114
5√n 31.44051007056

Divisors of 30721889

8 divisors

τ Total Divisors 8
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -30721888
Sum of the proper positive divisors of n
A Arithmetic Mean 0.125
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 8
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 30721889 can be divided by 8 positive divisors. The sum of these divisors (counting 30721889) is 1, the average is 0.125.

Base conversion 30721889

Base System Value
2 Binary 1110101001100011101100001
3 Ternary 2010210211111202
4 Quaternary 1311030131201
5 Quinary 30331100024
6 Senary 3014250545
8 Octal 165143541
10 Decimal 30721889
12 Duodecimal a356a55
16 Hexadecimal 1d4c761
20 Vigesimal 9c04e9
36 Base36 iah5t

Cryptographic Hash Functions

md5 a60623c1bb958408a5bce8b9cf07c1ca
sha1 734d28aa5dc2a63afd1a011307b09095b6474b76
sha256 7e48320c285636cf6d1a1be63119a461788d8ba8d2a1b684b974963ee977e68d
sha512 3f4a71ba9613775864fc1bf97ee337c30d6b48f7778c7c5ef343e1c4b8465daec7c285834b0fbd009e232cadfb67043780e2c949cf1d9342c1e2cfaf066273e4
ripemd-160 7578d4d1ef4253a0822c61006562a1e84f8464aa

30721889 as geometric shapes

Circle

Radius = n
Diameter 61443778
Circumference 193031321.5736
Area 2.9651434174538E+15

Sphere

Radius = n
Volume 1.2145974258679E+23
Surface area 1.1860573669815E+16
Circumference 193031321.5736

Square

Length = n
Perimeter 122887556
Area 943834463728321
Diagonal 43447312.085521

Cube

Length = n
Surface area 5663006782369926
Volume 2.8996377629036E+22
Space diagonal 53211872.652491

Equilateral Triangle

Length = n
Perimeter 92165667
Area 4.0869231127799E+14
Altitude 26605936.326246

Triangular Pyramid

Length = n
Surface area 4.0869231127799E+14
Volume 3.4172558752229E+21
Height 14482437.36184