30721965 (number)

30721965 is an odd 8-digits composite number following 30721964 and preceding 30721966. In scientific notation, it is written as 3.0721965 × 10^7. The sum of its digits is 33. It has a total of 3 prime factors and 8 positive divisors. There are 16385040 positive integers (up to 30721965) that are relatively prime to 30721965.

Interesting facts

Basic properties

Name

Name thirty million seven hundred twenty-one thousand nine hundred sixty-five

Notation

Scientific notation 3.0721965 × 10^7
Engineering notation 3.0721965 × 10^6

Prime Factorization of 30721965

Prime Factorization 3 × 5 × 2048131

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 30721965
Product of the distinct prime numbers

The prime factorization of 30721965 is 3 × 5 × 2048131. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 30721965)

Multiplication

n×y
n×2 61443930
n×3 92165895
n×4 122887860
n×5 153609825

Division

n÷y
n÷2 15360982.5
n÷3 10240655
n÷3 7680491.25
n÷5 6144393

Exponentiation

ny
n2 943839133461225
n3 2.8996592823826E+22
n4 8.9083230985284E+29
n5 2.7368119044168E+37

Nth Root

y√n
2√n 5542.7398459607
3√n 313.19608885505
4√n 74.4495792195
5√n 31.440525626091

Divisors of 30721965

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 -30721964
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 30721965 can be divided by 8 positive divisors. The sum of these divisors (counting 30721965) is 1, the average is 0.125.

Base conversion 30721965

Base System Value
2 Binary 1110101001100011110101101
3 Ternary 2010210211121120
4 Quaternary 1311030132231
5 Quinary 30331100330
6 Senary 3014251153
8 Octal 165143655
10 Decimal 30721965
12 Duodecimal a356ab9
16 Hexadecimal 1d4c7ad
20 Vigesimal 9c04i5
36 Base36 iah7x

Cryptographic Hash Functions

md5 4c9b2eccc79b22e55253e0542f25caf2
sha1 35ff23e025db8e0d8f7c0f1468646b5c667c219c
sha256 6a005c2842ccda514b2453079715ff34bd90b99ce4bba4e7cc9104de578fd200
sha512 736527fd4201c62627df3bcf7a790edb467ea9896a15362cd1e60d90efb98e2f0e41655c26c01701bb6a91b692eaa54f232b4d398855806156e104c47a4ae56b
ripemd-160 eecabcf1ed4c49e44af9cda51ee09856615a8ec3

30721965 as geometric shapes

Circle

Radius = n
Diameter 61443930
Circumference 193031799.09569
Area 2.9651580878523E+15

Sphere

Radius = n
Volume 1.2146064399262E+23
Surface area 1.1860632351409E+16
Circumference 193031799.09569

Square

Length = n
Perimeter 122887860
Area 943839133461225
Diagonal 43447419.565752

Cube

Length = n
Surface area 5663034800767350
Volume 2.8996592823826E+22
Space diagonal 53212004.288353

Equilateral Triangle

Length = n
Perimeter 92165895
Area 4.0869433333166E+14
Altitude 26606002.144176

Triangular Pyramid

Length = n
Surface area 4.0869433333166E+14
Volume 3.4172812361721E+21
Height 14482473.188584