145439894 (number)

145439894 is an even 9-digits composite number following 145439893 and preceding 145439895. In scientific notation, it is written as 1.45439894 × 10^8. The sum of its digits is 47. It has a total of 2 prime factors and 4 positive divisors. There are 72719946 positive integers (up to 145439894) that are relatively prime to 145439894.

Interesting facts

Basic properties

Name

Name one hundred forty-five million four hundred thirty-nine thousand eight hundred ninety-four

Notation

Scientific notation 1.45439894 × 10^8
Engineering notation 1.45439894 × 10^6

Prime Factorization of 145439894

Prime Factorization 2 × 72719947

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 145439894
Product of the distinct prime numbers

The prime factorization of 145439894 is 2 × 72719947. Since it has a total of 2 prime factors.

Most popular turbo-numbers

4, 1, 50, 20, 97, 368, 379, 964, 29091, 14753, 840671, 426223, 7374036, 6683702, 70205912, 45694091, 646218998, 540963176, 3093427839, 6807327143

Basic calculations (n = 145439894)

Multiplication

n×y
n×2 290879788
n×3 436319682
n×4 581759576
n×5 727199470

Division

n÷y
n÷2 72719947
n÷3 48479964.666667
n÷3 36359973.5
n÷5 29087978.8

Exponentiation

ny
n2 21152762766731236
n3 3.0764555746005E+24
n4 4.4743937266561E+32
n5 6.5075534931913E+40

Nth Root

y√n
2√n 12059.846350597
3√n 525.88952028202
4√n 109.81733174047
5√n 42.907845667877

Divisors of 145439894

1, 2, 72719947, 145439894

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 -145439893
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 145439894 can be divided by 4 positive divisors. The sum of these divisors (counting 145439894) is 1, the average is 0.25.

Base conversion 145439894

Base System Value
2 Binary 1000101010110011110010010110
3 Ternary 101010200010000202
4 Quaternary 20222303302112
5 Quinary 244213034034
6 Senary 22233140502
8 Octal 1052636226
10 Decimal 145439894
12 Duodecimal 4085a732
16 Hexadecimal 8ab3c96
20 Vigesimal 258jjee
36 Base36 2ela52

Cryptographic Hash Functions

md5 00f379464aa0af2e62044db4750cc8ee
sha1 a8682a4cdb2c837665d02b6bc25773c25495ff17
sha256 227794f84f906729dcb30a08f0350646cefd015ea9a3ca475bb3fe7e10e82690
sha512 39f11819cb342cd174d04fbf218988086afc23054384289ff67931f972ffb831e5429072d6cd2030f6c999ceb0129ea9a768baf207216cdf6ec0a1231b1f8a63
ripemd-160 540049d76fd761795668871d1996dd9388208d3a

145439894 as geometric shapes

Circle

Radius = n
Diameter 290879788
Circumference 913825805.05856
Area 6.6453364111091E+16

Sphere

Radius = n
Volume 1.2886626976347E+25
Surface area 2.6581345644436E+17
Circumference 913825805.05856

Square

Length = n
Perimeter 581759576
Area 21152762766731236
Diagonal 205683070.60491

Cube

Length = n
Surface area 126916576600387416
Volume 3.0764555746005E+24
Space diagonal 251909285.85543

Equilateral Triangle

Length = n
Perimeter 436319682
Area 9.1594149581074E+15
Altitude 125954642.92772

Triangular Pyramid

Length = n
Surface area 9.1594149581074E+15
Volume 3.6256376646987E+23
Height 68561023.534968