305401981 (number)

305401981 is an odd 9-digits composite number following 305401980 and preceding 305401982. In scientific notation, it is written as 3.05401981 × 10^8. The sum of its digits is 31. It has a total of 2 prime factors and 4 positive divisors. There are 292123612 positive integers (up to 305401981) that are relatively prime to 305401981.

Interesting facts

Basic properties

Name

Name three hundred five million four hundred one thousand nine hundred eighty-one

Notation

Scientific notation 3.05401981 × 10^8
Engineering notation 3.05401981 × 10^6

Prime Factorization of 305401981

Prime Factorization 23 × 13278347

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 305401981
Product of the distinct prime numbers

The prime factorization of 305401981 is 23 × 13278347. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 305401981)

Multiplication

n×y
n×2 610803962
n×3 916205943
n×4 1221607924
n×5 1527009905

Division

n÷y
n÷2 152700990.5
n÷3 101800660.33333
n÷3 76350495.25
n÷5 61080396.2

Exponentiation

ny
n2 93270369998724361
n3 2.8484955766213E+25
n4 8.6993619196989E+33
n5 2.656802363712E+42

Nth Root

y√n
2√n 17475.754089595
3√n 673.42714241027
4√n 132.19589286205
5√n 49.770771171723

Divisors of 305401981

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 -305401980
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 305401981 can be divided by 4 positive divisors. The sum of these divisors (counting 305401981) is 1, the average is 0.25.

Base conversion 305401981

Base System Value
2 Binary 10010001101000001000001111101
3 Ternary 210021200000202111
4 Quaternary 102031001001331
5 Quinary 1111140330411
6 Senary 50145454021
8 Octal 2215010175
10 Decimal 305401981
12 Duodecimal 86341311
16 Hexadecimal 1234107d
20 Vigesimal 4f8f4j1
36 Base36 51ttod

Cryptographic Hash Functions

md5 78d605e2faf34eabf92d4265d71caa20
sha1 e6467eacab1dff7cf1ecdb6fee594963a935d1ef
sha256 e2f3306a1490389babb49375d77937f7dfb280c65e5673737a483e5b5ad30943
sha512 c2851f949715fd9cf54ec63597e616f0fda92881ab3d45618b3e8f11fc538b19253b92413d4fb7c867df40d50104cd5dfc3f9d012c97183145ddc38cc2268f15
ripemd-160 d8352faf9f034f3f2f949206dd9d0a3226ababa6

305401981 as geometric shapes

Circle

Radius = n
Diameter 610803962
Circumference 1918897239.8027
Area 2.9301750918559E+17

Sphere

Radius = n
Volume 1.1931750369729E+26
Surface area 1.1720700367424E+18
Circumference 1918897239.8027

Square

Length = n
Perimeter 1221607924
Area 93270369998724361
Diagonal 431903623.50581

Cube

Length = n
Surface area 559622219992346166
Volume 2.8484955766213E+25
Space diagonal 528971747.82418

Equilateral Triangle

Length = n
Perimeter 916205943
Area 4.0387254919635E+16
Altitude 264485873.91209

Triangular Pyramid

Length = n
Surface area 4.0387254919635E+16
Volume 3.3569842306814E+24
Height 143967874.50194