78442928 (number)

78442928 is an even 8-digits composite number following 78442927 and preceding 78442929. In scientific notation, it is written as 7.8442928 × 10^7. The sum of its digits is 44. It has a total of 6 prime factors and 20 positive divisors. There are 39122304 positive integers (up to 78442928) that are relatively prime to 78442928.

Interesting facts

Basic properties

Name

Name seventy-eight million four hundred forty-two thousand nine hundred twenty-eight

Notation

Scientific notation 7.8442928 × 10^7
Engineering notation 7.8442928 × 10^6

Prime Factorization of 78442928

Prime Factorization 2 × 2 × 2 × 2 × 409 × 11987

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 6
Total number of prime factors
rad Radical 9805366
Product of the distinct prime numbers

The prime factorization of 78442928 is 2 × 2 × 2 × 2 × 409 × 11987. Since it has a total of 6 prime factors.

Most popular turbo-numbers

7, 6, 71, 89, 547, 515, 4637, 2932, 32759, 26299, 521597, 313468, 4715532, 6937118, 58335911, 54077436, 464684142, 903285912, 4989390196, 8263113860

Basic calculations (n = 78442928)

Multiplication

n×y
n×2 156885856
n×3 235328784
n×4 313771712
n×5 392214640

Division

n÷y
n÷2 39221464
n÷3 26147642.666667
n÷3 19610732
n÷5 15688585.6

Exponentiation

ny
n2 6153292953213184
n3 4.8268231609181E+23
n4 3.7863014168063E+31
n5 2.9700856942483E+39

Nth Root

y√n
2√n 8856.8012284346
3√n 428.07309433771
4√n 94.110579790131
5√n 37.923704961614

Divisors of 78442928

1, 2, 4, 8, 16, 409, 818, 1636, 3272, 6544, 11987, 23974, 47948, 95896, 191792, 4902683, 9805366, 19610732, 39221464, 78442928

20 divisors

τ Total Divisors 20
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -78442927
Sum of the proper positive divisors of n
A Arithmetic Mean 0.05
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 20
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 78442928 can be divided by 20 positive divisors. The sum of these divisors (counting 78442928) is 1, the average is 0.05.

Base conversion 78442928

Base System Value
2 Binary 100101011001111000110110000
3 Ternary 12110121022110122
4 Quaternary 10223033012300
5 Quinary 130040133203
6 Senary 11441145412
8 Octal 453170660
10 Decimal 78442928
12 Duodecimal 2232b268
16 Hexadecimal 4acf1b0
20 Vigesimal 14a5768
36 Base36 1apay8

Cryptographic Hash Functions

md5 5f0dbe283a0a647f68082577068aab9d
sha1 1abef71d7946efad7bbdb001ccb631a8f0c8d856
sha256 fa2985b701654f4e5c4b43afb8bb10cf4e6447ba85bb767e88d30bf5dcb7bfc9
sha512 82992a3c0a58ee636c19ea5b5f6047efbdcb79671af413064f66f17518a25e55383057cd5e6e7f94184af5e5a3a5d2d62f1e546dc04d3d55f39af104ff565db6
ripemd-160 53a681451ecffdb4554371370d03f79df29b0d82

78442928 as geometric shapes

Circle

Radius = n
Diameter 156885856
Circumference 492871452.66175
Area 1.93311399372E+16

Sphere

Radius = n
Volume 2.021854957669E+24
Surface area 7.7324559748802E+16
Circumference 492871452.66175

Square

Length = n
Perimeter 313771712
Area 6153292953213184
Diagonal 110935052.64986

Cube

Length = n
Surface area 36919757719279104
Volume 4.8268231609181E+23
Space diagonal 135867136.79047

Equilateral Triangle

Length = n
Perimeter 235328784
Area 2.6644540072052E+15
Altitude 67933568.395234

Triangular Pyramid

Length = n
Surface area 2.6644540072052E+15
Volume 5.6884656477891E+22
Height 36978350.883285