30891142 (number)

30891142 is an even 8-digits composite number following 30891141 and preceding 30891143. In scientific notation, it is written as 3.0891142 × 10^7. The sum of its digits is 28. It has a total of 4 prime factors and 16 positive divisors. There are 14394240 positive integers (up to 30891142) that are relatively prime to 30891142.

Interesting facts

Basic properties

Name

Name thirty million eight hundred ninety-one thousand one hundred forty-two

Notation

Scientific notation 3.0891142 × 10^7
Engineering notation 3.0891142 × 10^6

Prime Factorization of 30891142

Prime Factorization 2 × 17 × 103 × 8821

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 30891142
Product of the distinct prime numbers

The prime factorization of 30891142 is 2 × 17 × 103 × 8821. Since it has a total of 4 prime factors.

Most popular turbo-numbers

Basic calculations (n = 30891142)

Multiplication

n×y
n×2 61782284
n×3 92673426
n×4 123564568
n×5 154455710

Division

n÷y
n÷2 15445571
n÷3 10297047.333333
n÷3 7722785.5
n÷5 6178228.4

Exponentiation

ny
n2 954262654064164
n3 2.9478263151993E+22
n4 9.1061721294158E+29
n5 2.8130005632623E+37

Nth Root

y√n
2√n 5557.9800287515
3√n 313.76993032233
4√n 74.551861336599
5√n 31.475076386471

Divisors of 30891142

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 -30891141
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 30891142 can be divided by 16 positive divisors. The sum of these divisors (counting 30891142) is 1, the average is 0.0625.

Base conversion 30891142

Base System Value
2 Binary 1110101110101110010000110
3 Ternary 2011010102200101
4 Quaternary 1311311302012
5 Quinary 30402004032
6 Senary 3022034314
8 Octal 165656206
10 Decimal 30891142
12 Duodecimal a41899a
16 Hexadecimal 1d75c86
20 Vigesimal 9d17h2
36 Base36 ie3ra

Cryptographic Hash Functions

md5 2f56dd018fab52140f7434bf88aca878
sha1 9915a625d19df6bf577cfc93aa20301e853700dd
sha256 ffb4d9f4c9dd0d4183733371160971aa5ae77de3bcdb0cdd295872c734d62585
sha512 69612697e108dd62cac3412745a2c9b741a4437b731881456c9f23cc721ebac35a628cc53c5784e7102860c343afc7e9efb55b72467a207c7849cb4c432d40c4
ripemd-160 15007940ccf078f05fbd50b973ec7c5a7b193d31

30891142 as geometric shapes

Circle

Radius = n
Diameter 61782284
Circumference 194094769.5364
Area 2.9979045436031E+15

Sphere

Radius = n
Volume 1.2347825994518E+23
Surface area 1.1991618174412E+16
Circumference 194094769.5364

Square

Length = n
Perimeter 123564568
Area 954262654064164
Diagonal 43686671.973593

Cube

Length = n
Surface area 5725575924384984
Volume 2.9478263151993E+22
Space diagonal 53505027.447825

Equilateral Triangle

Length = n
Perimeter 92673426
Area 4.1320785015116E+14
Altitude 26752513.723912

Triangular Pyramid

Length = n
Surface area 4.1320785015116E+14
Volume 3.4740466287293E+21
Height 14562223.991198