30721872 (number)

30721872 is an even 8-digits composite number following 30721871 and preceding 30721873. In scientific notation, it is written as 3.0721872 × 10^7. The sum of its digits is 30. It has a total of 6 prime factors and 20 positive divisors. There are 10240608 positive integers (up to 30721872) that are relatively prime to 30721872.

Interesting facts

Basic properties

Name

Name thirty million seven hundred twenty-one thousand eight hundred seventy-two

Notation

Scientific notation 3.0721872 × 10^7
Engineering notation 3.0721872 × 10^6

Prime Factorization of 30721872

Prime Factorization 2 × 2 × 2 × 2 × 3 × 640039

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 6
Total number of prime factors
rad Radical 3840234
Product of the distinct prime numbers

The prime factorization of 30721872 is 2 × 2 × 2 × 2 × 3 × 640039. Since it has a total of 6 prime factors.

Most popular turbo-numbers

2, 10, 98, 28, 25, 46, 3492, 9596, 94954, 97279, 630746, 170435, 9188199, 4465932, 87666629, 36564028, 45895066, 174977626, 574960243, 6582780052

Basic calculations (n = 30721872)

Multiplication

n×y
n×2 61443744
n×3 92165616
n×4 122887488
n×5 153609360

Division

n÷y
n÷2 15360936
n÷3 10240624
n÷3 7680468
n÷5 6144374.4

Exponentiation

ny
n2 943833419184384
n3 2.8996329493505E+22
n4 8.9082152316929E+29
n5 2.7367704809652E+37

Nth Root

y√n
2√n 5542.7314566015
3√n 313.19577282421
4√n 74.449522876923
5√n 31.44050659103

Divisors of 30721872

1, 2, 3, 4, 6, 8, 12, 16, 24, 48, 640039, 1280078, 1920117, 2560156, 3840234, 5120312, 7680468, 10240624, 15360936, 30721872

20 divisors

τ Total Divisors 20
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -30721871
Sum of the proper positive divisors of n
A Arithmetic Mean 0.05
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 20
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 30721872 can be divided by 20 positive divisors. The sum of these divisors (counting 30721872) is 1, the average is 0.05.

Base conversion 30721872

Base System Value
2 Binary 1110101001100011101010000
3 Ternary 2010210211111010
4 Quaternary 1311030131100
5 Quinary 30331044442
6 Senary 3014250520
8 Octal 165143520
10 Decimal 30721872
12 Duodecimal a356a40
16 Hexadecimal 1d4c750
20 Vigesimal 9c04dc
36 Base36 iah5c

Cryptographic Hash Functions

md5 f22b629b6ef82acae2dd237b545334a0
sha1 1cf0009dddd806c238e0e922cd773d7643985b90
sha256 b01ac4d32696dfe1ee8fa2a1d86d1d8a133b09bd914383c7c0b6b3d6f8ae4376
sha512 f2526440e40cea1f63d7379a98d33f884273f7b7acf5efbea57b9dfac961cfbc0feefda562f9bce46773d3588d4e8a69c269ddb94794d5adc47651fdcff84ca0
ripemd-160 e54897104e0144db1d2215d060ca2207ffe89d17

30721872 as geometric shapes

Circle

Radius = n
Diameter 61443744
Circumference 193031214.75945
Area 2.9651401359222E+15

Sphere

Radius = n
Volume 1.2145954095715E+23
Surface area 1.1860560543689E+16
Circumference 193031214.75945

Square

Length = n
Perimeter 122887488
Area 943833419184384
Diagonal 43447288.04389

Cube

Length = n
Surface area 5663000515106304
Volume 2.8996329493505E+22
Space diagonal 53211843.207628

Equilateral Triangle

Length = n
Perimeter 92165616
Area 4.086918589772E+14
Altitude 26605921.603814

Triangular Pyramid

Length = n
Surface area 4.086918589772E+14
Volume 3.4172502023961E+21
Height 14482429.347963