78285428 (number)

78285428 is an even 8-digits composite number following 78285427 and preceding 78285429. In scientific notation, it is written as 7.8285428 × 10^7. The sum of its digits is 44. It has a total of 4 prime factors and 12 positive divisors. There are 36131712 positive integers (up to 78285428) that are relatively prime to 78285428.

Interesting facts

Basic properties

Name

Name seventy-eight million two hundred eighty-five thousand four hundred twenty-eight

Notation

Scientific notation 7.8285428 × 10^7
Engineering notation 7.8285428 × 10^6

Prime Factorization of 78285428

Prime Factorization 2 × 2 × 13 × 1505489

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 39142714
Product of the distinct prime numbers

The prime factorization of 78285428 is 2 × 2 × 13 × 1505489. Since it has a total of 4 prime factors.

Most popular turbo-numbers

3, 5, 52, 29, 893, 86, 5004, 9698, 19837, 84415, 626175, 459250, 8006211, 2093632, 97128911, 7061640, 263371135, 185296934, 807659258, 2858316231

Basic calculations (n = 78285428)

Multiplication

n×y
n×2 156570856
n×3 234856284
n×4 313141712
n×5 391427140

Division

n÷y
n÷2 39142714
n÷3 26095142.666667
n÷3 19571357
n÷5 15657085.6

Exponentiation

ny
n2 6128608237143184
n3 4.7978071888908E+23
n4 3.7559838924379E+31
n5 2.9403880658061E+39

Nth Root

y√n
2√n 8847.905288824
3√n 427.78640315935
4√n 94.063304687981
5√n 37.908463851769

Divisors of 78285428

1, 2, 4, 13, 26, 52, 1505489, 3010978, 6021956, 19571357, 39142714, 78285428

12 divisors

τ Total Divisors 12
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -78285427
Sum of the proper positive divisors of n
A Arithmetic Mean 0.083333333333333
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 12
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 78285428 can be divided by 12 positive divisors. The sum of these divisors (counting 78285428) is 1, the average is 0.083333333333333.

Base conversion 78285428

Base System Value
2 Binary 100101010101000101001110100
3 Ternary 12110022022102022
4 Quaternary 10222220221310
5 Quinary 130020113203
6 Senary 11433532312
8 Octal 452505164
10 Decimal 78285428
12 Duodecimal 22274098
16 Hexadecimal 4aa8a74
20 Vigesimal 1495db8
36 Base36 1alxf8

Cryptographic Hash Functions

md5 f67c3803fb6e401559a046bfe9c78858
sha1 c8a94b1338b975c5941cb58a0a29691bb45d2165
sha256 b72cdae70c5b8972d5da688af16116bcaaa9cb7b6a7d464ed38bbbc837af2744
sha512 79eea31f4ae70f7ba218a15652643bda2e369d4fb65072229e2a7222834da9cce0b7bbb458e469c71155d8233690d9bb15b19c94e2baccf14262e567365bb465
ripemd-160 9c0e764f14cc0c3955f474f77c4a48eb401fd428

78285428 as geometric shapes

Circle

Radius = n
Diameter 156570856
Circumference 491881850.97587
Area 1.9253590614539E+16

Sphere

Radius = n
Volume 2.0097007757279E+24
Surface area 7.7014362458156E+16
Circumference 491881850.97587

Square

Length = n
Perimeter 313141712
Area 6128608237143184
Diagonal 110712314.01378

Cube

Length = n
Surface area 36771649422859104
Volume 4.7978071888908E+23
Space diagonal 135594338.78828

Equilateral Triangle

Length = n
Perimeter 234856284
Area 2.6537652116043E+15
Altitude 67797169.394138

Triangular Pyramid

Length = n
Surface area 2.6537652116043E+15
Volume 5.6542699968171E+22
Height 36904104.671261