30666721 (number)

30666721 is an odd 8-digits composite number following 30666720 and preceding 30666722. In scientific notation, it is written as 3.0666721 × 10^7. The sum of its digits is 31. It has a total of 2 prime factors and 4 positive divisors. There are 30644244 positive integers (up to 30666721) that are relatively prime to 30666721.

Interesting facts

Basic properties

Name

Name thirty million six hundred sixty-six thousand seven hundred twenty-one

Notation

Scientific notation 3.0666721 × 10^7
Engineering notation 3.0666721 × 10^6

Prime Factorization of 30666721

Prime Factorization 1459 × 21019

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 30666721
Product of the distinct prime numbers

The prime factorization of 30666721 is 1459 × 21019. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 30666721)

Multiplication

n×y
n×2 61333442
n×3 92000163
n×4 122666884
n×5 153333605

Division

n÷y
n÷2 15333360.5
n÷3 10222240.333333
n÷3 7666680.25
n÷5 6133344.2

Exponentiation

ny
n2 940447776891841
n3 2.8840449589012E+22
n4 8.8444202106081E+29
n5 2.7122936700548E+37

Nth Root

y√n
2√n 5537.7541476667
3√n 313.00824728955
4√n 74.416087962663
5√n 31.429210262248

Divisors of 30666721

4 divisors

τ Total Divisors 4
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -30666720
Sum of the proper positive divisors of n
A Arithmetic Mean 0.25
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 4
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 30666721 can be divided by 4 positive divisors. The sum of these divisors (counting 30666721) is 1, the average is 0.25.

Base conversion 30666721

Base System Value
2 Binary 1110100111110111111100001
3 Ternary 2010201000211111
4 Quaternary 1310332333201
5 Quinary 30322313341
6 Senary 3013143321
8 Octal 164767741
10 Decimal 30666721
12 Duodecimal a32ab41
16 Hexadecimal 1d3efe1
20 Vigesimal 9bd6g1
36 Base36 i9ald

Cryptographic Hash Functions

md5 80c748a3ce7ecaded84ebc889fd84432
sha1 70df8d464b9a20880bf09b3c76b9b1c5668600d1
sha256 745250fdf08fab60e9c7fb306c30dc379d4b36f6eb0028ab0be8abe77bb8867e
sha512 46e7f1ff1370054e5ed44a67b239bf54ee48105e04726d090552119d54457f88f0053135c791e1c5e64e6bcca6f7837568a9b962dc376745026a83372e147131
ripemd-160 5bf028fcdc885aa72336118e3093598a1627291e

30666721 as geometric shapes

Circle

Radius = n
Diameter 61333442
Circumference 192684690.80658
Area 2.9545038269683E+15

Sphere

Radius = n
Volume 1.2080659274009E+23
Surface area 1.1818015307873E+16
Circumference 192684690.80658

Square

Length = n
Perimeter 122666884
Area 940447776891841
Diagonal 43369292.751712

Cube

Length = n
Surface area 5642686661351046
Volume 2.8840449589012E+22
Space diagonal 53116318.873539

Equilateral Triangle

Length = n
Perimeter 92000163
Area 4.0722583286047E+14
Altitude 26558159.43677

Triangular Pyramid

Length = n
Surface area 4.0722583286047E+14
Volume 3.3988795794766E+21
Height 14456430.917237