78442868 (number)

78442868 is an even 8-digits composite number following 78442867 and preceding 78442869. In scientific notation, it is written as 7.8442868 × 10^7. The sum of its digits is 47. It has a total of 5 prime factors and 24 positive divisors. There are 31848768 positive integers (up to 78442868) that are relatively prime to 78442868.

Interesting facts

Basic properties

Name

Name seventy-eight million four hundred forty-two thousand eight hundred sixty-eight

Notation

Scientific notation 7.8442868 × 10^7
Engineering notation 7.8442868 × 10^6

Prime Factorization of 78442868

Prime Factorization 2 × 2 × 7 × 19 × 147449

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 39221434
Product of the distinct prime numbers

The prime factorization of 78442868 is 2 × 2 × 7 × 19 × 147449. Since it has a total of 5 prime factors.

Most popular turbo-numbers

3, 9, 75, 84, 907, 961, 9384, 6993, 77242, 96960, 726761, 611370, 812064, 5576278, 20715819, 83172036, 259685711, 548501529, 203696651, 6239445020

Basic calculations (n = 78442868)

Multiplication

n×y
n×2 156885736
n×3 235328604
n×4 313771472
n×5 392214340

Division

n÷y
n÷2 39221434
n÷3 26147622.666667
n÷3 19610717
n÷5 15688573.6

Exponentiation

ny
n2 6153283540065424
n3 4.8268120849992E+23
n4 3.786289832444E+31
n5 2.9700743353615E+39

Nth Root

y√n
2√n 8856.7978412065
3√n 428.07298519512
4√n 94.110561794129
5√n 37.92369916014

Divisors of 78442868

1, 2, 4, 7, 14, 19, 28, 38, 76, 133, 266, 532, 147449, 294898, 589796, 1032143, 2064286, 2801531, 4128572, 5603062, 11206124, 19610717, 39221434, 78442868

24 divisors

τ Total Divisors 24
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -78442867
Sum of the proper positive divisors of n
A Arithmetic Mean 0.041666666666667
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 24
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 78442868 can be divided by 24 positive divisors. The sum of these divisors (counting 78442868) is 1, the average is 0.041666666666667.

Base conversion 78442868

Base System Value
2 Binary 100101011001111000101110100
3 Ternary 12110121022101102
4 Quaternary 10223033011310
5 Quinary 130040132433
6 Senary 11441145232
8 Octal 453170564
10 Decimal 78442868
12 Duodecimal 2232b218
16 Hexadecimal 4acf174
20 Vigesimal 14a5738
36 Base36 1apawk

Cryptographic Hash Functions

md5 db4e827f223930469ebf277bc75f2686
sha1 4a9f9249eaaf7e8beafe6654566c346553d8b8de
sha256 9e4ad78a0cb0c35eb769b31400ecf612a5bf91b9736db0f052b567bca717afea
sha512 03eca560525269662f7fb88a30ce8ae3a29fe66e8b76faa38ce910a8c331b37a0ada2a3b4ba5221d57a408250e4883628ff5a666c2fd72d0106b48a5f2cc3ea6
ripemd-160 81ebd6caf4f0b8ef1dbfbf2ad18fa161307e673e

78442868 as geometric shapes

Circle

Radius = n
Diameter 156885736
Circumference 492871075.67063
Area 1.9331110364925E+16

Sphere

Radius = n
Volume 2.0218503181989E+24
Surface area 7.7324441459698E+16
Circumference 492871075.67063

Square

Length = n
Perimeter 313771472
Area 6153283540065424
Diagonal 110934967.79704

Cube

Length = n
Surface area 36919701240392544
Volume 4.8268120849992E+23
Space diagonal 135867032.86742

Equilateral Triangle

Length = n
Perimeter 235328604
Area 2.6644499311926E+15
Altitude 67933516.433709

Triangular Pyramid

Length = n
Surface area 2.6644499311926E+15
Volume 5.6884525946936E+22
Height 36978322.599014