30721649 (number)

30721649 is an odd 8-digits composite number following 30721648 and preceding 30721650. In scientific notation, it is written as 3.0721649 × 10^7. The sum of its digits is 32. It has a total of 3 prime factors and 8 positive divisors. There are 26099136 positive integers (up to 30721649) that are relatively prime to 30721649.

Interesting facts

Basic properties

Name

Name thirty million seven hundred twenty-one thousand six hundred forty-nine

Notation

Scientific notation 3.0721649 × 10^7
Engineering notation 3.0721649 × 10^6

Prime Factorization of 30721649

Prime Factorization 7 × 113 × 38839

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 30721649
Product of the distinct prime numbers

The prime factorization of 30721649 is 7 × 113 × 38839. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 30721649)

Multiplication

n×y
n×2 61443298
n×3 92164947
n×4 122886596
n×5 153608245

Division

n÷y
n÷2 15360824.5
n÷3 10240549.666667
n÷3 7680412.25
n÷5 6144329.8

Exponentiation

ny
n2 943819717279201
n3 2.8995698073531E+22
n4 8.9079565872499E+29
n5 2.7366711558073E+37

Nth Root

y√n
2√n 5542.7113401295
3√n 313.19501502722
4√n 74.449387775384
5√n 31.44046094763

Divisors of 30721649

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 -30721648
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 30721649 can be divided by 8 positive divisors. The sum of these divisors (counting 30721649) is 1, the average is 0.125.

Base conversion 30721649

Base System Value
2 Binary 1110101001100011001110001
3 Ternary 2010210211011212
4 Quaternary 1311030121301
5 Quinary 30331043044
6 Senary 3014245505
8 Octal 165143161
10 Decimal 30721649
12 Duodecimal a356895
16 Hexadecimal 1d4c671
20 Vigesimal 9c0429
36 Base36 iagz5

Cryptographic Hash Functions

md5 5762bea530a51bde57ea492cc99e6c26
sha1 24900c934f03e9423b28f157deb9f79e095b31d0
sha256 3d1a72b821724cb6c639a9e06d084ab2f5d8e924da7158da7b129c51b6bc69f6
sha512 4e58d6b2547142f7fb4ec0db20b23359559898c7b9dab8a8535042bf4da25fcf601db3d27ce73c0afb7c53b9af1e98a0b8f4bca3413f03cababfaee9d45a555f
ripemd-160 e9f5e68abe789099ce351d37bc237444ddb913cf

30721649 as geometric shapes

Circle

Radius = n
Diameter 61443298
Circumference 193029813.60913
Area 2.9650970901175E+15

Sphere

Radius = n
Volume 1.2145689607135E+23
Surface area 1.186038836047E+16
Circumference 193029813.60913

Square

Length = n
Perimeter 122886596
Area 943819717279201
Diagonal 43446972.674266

Cube

Length = n
Surface area 5662918303675206
Volume 2.8995698073531E+22
Space diagonal 53211456.960298

Equilateral Triangle

Length = n
Perimeter 92164947
Area 4.0868592587822E+14
Altitude 26605728.480149

Triangular Pyramid

Length = n
Surface area 4.0868592587822E+14
Volume 3.4171757888386E+21
Height 14482324.224755