30721661 (number)

30721661 is an odd 8-digits composite number following 30721660 and preceding 30721662. In scientific notation, it is written as 3.0721661 × 10^7. The sum of its digits is 26. It has a total of 2 prime factors and 4 positive divisors. There are 30709692 positive integers (up to 30721661) that are relatively prime to 30721661.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 3.0721661 × 10^7
Engineering notation 3.0721661 × 10^6

Prime Factorization of 30721661

Prime Factorization 3727 × 8243

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 30721661
Product of the distinct prime numbers

The prime factorization of 30721661 is 3727 × 8243. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 30721661)

Multiplication

n×y
n×2 61443322
n×3 92164983
n×4 122886644
n×5 153608305

Division

n÷y
n÷2 15360830.5
n÷3 10240553.666667
n÷3 7680415.25
n÷5 6144332.2

Exponentiation

ny
n2 943820454598921
n3 2.8995732051054E+22
n4 8.9079705051931E+29
n5 2.7366765005854E+37

Nth Root

y√n
2√n 5542.7124226321
3√n 313.19505580563
4√n 74.449395045441
5√n 31.440463403784

Divisors of 30721661

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 -30721660
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 30721661 can be divided by 4 positive divisors. The sum of these divisors (counting 30721661) is 1, the average is 0.25.

Base conversion 30721661

Base System Value
2 Binary 1110101001100011001111101
3 Ternary 2010210211012022
4 Quaternary 1311030121331
5 Quinary 30331043121
6 Senary 3014245525
8 Octal 165143175
10 Decimal 30721661
12 Duodecimal a3568a5
16 Hexadecimal 1d4c67d
20 Vigesimal 9c0431
36 Base36 iagzh

Cryptographic Hash Functions

md5 ce7e9680dc3ed88e4f64b36f426bea14
sha1 4012229896774c83a0917fafb3eee220ed4bff40
sha256 70acce5d9298dfd5f869ebd7c0f73144ea4b0f081bcec82daf269a70db60619c
sha512 306f86100c4933df417d2fc1234f26db220360b6c6196842f173c150aed68503bc7ad3ade24e9376acdb18b35097c96fe79d5dd863888e229b951bedb30439cb
ripemd-160 337e8c259e3e9f703e03817036d135d21f7739ce

30721661 as geometric shapes

Circle

Radius = n
Diameter 61443322
Circumference 193029889.00735
Area 2.9650994064757E+15

Sphere

Radius = n
Volume 1.2145703839607E+23
Surface area 1.1860397625903E+16
Circumference 193029889.00735

Square

Length = n
Perimeter 122886644
Area 943820454598921
Diagonal 43446989.644829

Cube

Length = n
Surface area 5662922727593526
Volume 2.8995732051054E+22
Space diagonal 53211477.744907

Equilateral Triangle

Length = n
Perimeter 92164983
Area 4.0868624514702E+14
Altitude 26605738.872454

Triangular Pyramid

Length = n
Surface area 4.0868624514702E+14
Volume 3.4171797931281E+21
Height 14482329.88161