78394428 (number)

78394428 is an even 8-digits composite number following 78394427 and preceding 78394429. In scientific notation, it is written as 7.8394428 × 10^7. The sum of its digits is 45. It has a total of 7 prime factors and 72 positive divisors. There are 22192128 positive integers (up to 78394428) that are relatively prime to 78394428.

Interesting facts

Basic properties

Name

Name seventy-eight million three hundred ninety-four thousand four hundred twenty-eight

Notation

Scientific notation 7.8394428 × 10^7
Engineering notation 7.8394428 × 10^6

Prime Factorization of 78394428

Prime Factorization 2 × 2 × 3 × 3 × 7 × 113 × 2753

Composite number
ω Distinct Factors 5
Total number of distinct prime factors
Ω Total Factors 7
Total number of prime factors
rad Radical 13065738
Product of the distinct prime numbers

The prime factorization of 78394428 is 2 × 2 × 3 × 3 × 7 × 113 × 2753. Since it has a total of 7 prime factors.

Most popular turbo-numbers

7, 4, 27, 90, 816, 472, 4532, 8739, 95302, 43075, 878259, 732622, 9030549, 7717219, 37770504, 70131419, 964859036, 173153069, 5312776889, 7385122304

Basic calculations (n = 78394428)

Multiplication

n×y
n×2 156788856
n×3 235183284
n×4 313577712
n×5 391972140

Division

n÷y
n÷2 39197214
n÷3 26131476
n÷3 19598607
n÷5 15678885.6

Exponentiation

ny
n2 6145686341447184
n3 4.8178756540516E+23
n4 3.776946060745E+31
n5 2.9609152601896E+39

Nth Root

y√n
2√n 8854.0627962535
3√n 427.98485258064
4√n 94.096029651912
5√n 37.919014278106

Divisors of 78394428

1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 84, 113, 126, 226, 252, 339, 452, 678, 791, 1017, 1356, 1582, 2034, 2373, 2753, 3164, 4068, 4746, 5506, 7119, 8259, 9492, 11012, 14238, 16518, 19271, 24777, 28476, 33036, 38542, 49554, 57813, 77084, 99108, 115626, 173439, 231252, 311089, 346878, 622178, 693756, 933267, 1244356, 1866534, 2177623, 2799801, 3733068, 4355246, 5599602, 6532869, 8710492, 11199204, 13065738, 19598607, 26131476, 39197214, 78394428

72 divisors

τ Total Divisors 72
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -78394427
Sum of the proper positive divisors of n
A Arithmetic Mean 0.013888888888889
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 72
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 78394428 can be divided by 72 positive divisors. The sum of these divisors (counting 78394428) is 1, the average is 0.013888888888889.

Base conversion 78394428

Base System Value
2 Binary 100101011000011010000111100
3 Ternary 12110111211221100
4 Quaternary 10223003100330
5 Quinary 130032110203
6 Senary 11440133100
8 Octal 453032074
10 Decimal 78394428
12 Duodecimal 22307190
16 Hexadecimal 4ac343c
20 Vigesimal 149j618
36 Base36 1ao9j0

Cryptographic Hash Functions

md5 c38c39638b3b41b3bb0935483d251cff
sha1 628a89a227eeb4c3009e4ab51216ded612d2fbd3
sha256 42c3e94ef1fbb16d7c4fd74859f511398b0fd1b6a32082b4ff597dcab63972c2
sha512 8d5e78aeeb1f90910047dfaab3185c1ba45cac4894bf33399f5083d8fe029666ebf96f97ebb28c7062e2b45bcc5dd9b0035917a8352ddd2057426af3c1d7a609
ripemd-160 d9aef46ac07c58917fa1ba4a7496fef11db02ccd

78394428 as geometric shapes

Circle

Radius = n
Diameter 156788856
Circumference 492566718.17435
Area 1.9307243061558E+16

Sphere

Radius = n
Volume 2.018107034757E+24
Surface area 7.722897224623E+16
Circumference 492566718.17435

Square

Length = n
Perimeter 313577712
Area 6145686341447184
Diagonal 110866463.29208

Cube

Length = n
Surface area 36874118048683104
Volume 4.8178756540516E+23
Space diagonal 135783132.3263

Equilateral Triangle

Length = n
Perimeter 235183284
Area 2.6611602476922E+15
Altitude 67891566.16315

Triangular Pyramid

Length = n
Surface area 2.6611602476922E+15
Volume 5.6779209098225E+22
Height 36955487.764027