30207981 (number)

30207981 is an odd 8-digits composite number following 30207980 and preceding 30207982. In scientific notation, it is written as 3.0207981 × 10^7. The sum of its digits is 30. It has a total of 4 prime factors and 16 positive divisors. There are 19071600 positive integers (up to 30207981) that are relatively prime to 30207981.

Interesting facts

Basic properties

Name

Name thirty million two hundred seven thousand nine hundred eighty-one

Notation

Scientific notation 3.0207981 × 10^7
Engineering notation 3.0207981 × 10^6

Prime Factorization of 30207981

Prime Factorization 3 × 31 × 47 × 6911

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 30207981
Product of the distinct prime numbers

The prime factorization of 30207981 is 3 × 31 × 47 × 6911. Since it has a total of 4 prime factors.

Most popular turbo-numbers

9, 6, 80, 95, 64, 112, 8392, 4606, 87774, 47044, 57242, 84645, 618623, 4922270, 53185171, 33814325, 389241976, 668679450, 7605979998, 9811257497

Basic calculations (n = 30207981)

Multiplication

n×y
n×2 60415962
n×3 90623943
n×4 120831924
n×5 151039905

Division

n÷y
n÷2 15103990.5
n÷3 10069327
n÷3 7551995.25
n÷5 6041596.2

Exponentiation

ny
n2 912522116096361
n3 2.7565450745119E+22
n4 8.3269661236498E+29
n5 2.5154083445086E+37

Nth Root

y√n
2√n 5496.1787634683
3√n 311.43964797418
4√n 74.136217623158
5√n 31.334613332067

Divisors of 30207981

1, 3, 31, 47, 93, 141, 1457, 4371, 6911, 20733, 214241, 324817, 642723, 974451, 10069327, 30207981

16 divisors

τ Total Divisors 16
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -30207980
Sum of the proper positive divisors of n
A Arithmetic Mean 0.0625
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 16
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 30207981 can be divided by 16 positive divisors. The sum of these divisors (counting 30207981) is 1, the average is 0.0625.

Base conversion 30207981

Base System Value
2 Binary 1110011001110111111101101
3 Ternary 2002211201120010
4 Quaternary 1303032333231
5 Quinary 30213123411
6 Senary 2555243433
8 Octal 163167755
10 Decimal 30207981
12 Duodecimal a149579
16 Hexadecimal 1ccefed
20 Vigesimal 98fjj1
36 Base36 hzgml

Cryptographic Hash Functions

md5 1ae63a6dbe8a18587d2bab5663a9ce6c
sha1 6a5937c71650120df7240bc883fdad40863cd46f
sha256 c1e3cc7119cb545ec46d2172c66c58c5c836845408e43e714e852cc4ccdfe568
sha512 af8e30e7f6d7b894d8091b011a70296a0b385c16c79215f3fe78873c43a408214279ffe5fb3ba773548725a98b528af3b6f4983352674699ac7c18022f909cb0
ripemd-160 f52b082584a2c5dde5a614c96e9d0cb127516d44

30207981 as geometric shapes

Circle

Radius = n
Diameter 60415962
Circumference 189802342.37876
Area 2.8667727761665E+15

Sphere

Radius = n
Volume 1.1546589007167E+23
Surface area 1.1467091104666E+16
Circumference 189802342.37876

Square

Length = n
Perimeter 120831924
Area 912522116096361
Diagonal 42720536.422109

Cube

Length = n
Surface area 5475132696578166
Volume 2.7565450745119E+22
Space diagonal 52321757.886075

Equilateral Triangle

Length = n
Perimeter 90623943
Area 3.9513366702729E+14
Altitude 26160878.943038

Triangular Pyramid

Length = n
Surface area 3.9513366702729E+14
Volume 3.2486195247229E+21
Height 14240178.80737