78161728 (number)

78161728 is an even 8-digits composite number following 78161727 and preceding 78161729. In scientific notation, it is written as 7.8161728 × 10^7. The sum of its digits is 40. It has a total of 9 prime factors and 56 positive divisors. There are 36072960 positive integers (up to 78161728) that are relatively prime to 78161728.

Interesting facts

Basic properties

Name

Name seventy-eight million one hundred sixty-one thousand seven hundred twenty-eight

Notation

Scientific notation 7.8161728 × 10^7
Engineering notation 7.8161728 × 10^6

Prime Factorization of 78161728

Prime Factorization 2 × 2 × 2 × 2 × 2 × 2 × 29 × 23 × 1831

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 9
Total number of prime factors
rad Radical 2442554
Product of the distinct prime numbers

The prime factorization of 78161728 is 2 × 2 × 2 × 2 × 2 × 2 × 29 × 23 × 1831. Since it has a total of 9 prime factors.

Most popular turbo-numbers

8, 8, 33, 14, 928, 182, 5503, 9317, 57647, 86932, 50374, 446755, 618541, 349560, 58728309, 31759559, 184529662, 198017658, 3699614263, 6021909049

Basic calculations (n = 78161728)

Multiplication

n×y
n×2 156323456
n×3 234485184
n×4 312646912
n×5 390808640

Division

n÷y
n÷2 39080864
n÷3 26053909.333333
n÷3 19540432
n÷5 15632345.6

Exponentiation

ny
n2 6109255723945984
n3 4.7750998417751E+23
n4 3.7323005500567E+31
n5 2.9172306040778E+39

Nth Root

y√n
2√n 8840.9121701327
3√n 427.5609671037
4√n 94.026124934152
5√n 37.896476324203

Divisors of 78161728

1, 2, 4, 8, 16, 23, 29, 32, 46, 58, 64, 92, 116, 184, 232, 368, 464, 667, 736, 928, 1334, 1472, 1831, 1856, 2668, 3662, 5336, 7324, 10672, 14648, 21344, 29296, 42113, 42688, 53099, 58592, 84226, 106198, 117184, 168452, 212396, 336904, 424792, 673808, 849584, 1221277, 1347616, 1699168, 2442554, 2695232, 3398336, 4885108, 9770216, 19540432, 39080864, 78161728

56 divisors

τ Total Divisors 56
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -78161727
Sum of the proper positive divisors of n
A Arithmetic Mean 0.017857142857143
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 56
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 78161728 can be divided by 56 positive divisors. The sum of these divisors (counting 78161728) is 1, the average is 0.017857142857143.

Base conversion 78161728

Base System Value
2 Binary 100101010001010011101000000
3 Ternary 12110002000201211
4 Quaternary 10222022131000
5 Quinary 130002133403
6 Senary 11431135504
8 Octal 452123500
10 Decimal 78161728
12 Duodecimal 22214594
16 Hexadecimal 4a8a740
20 Vigesimal 148a468
36 Base36 1aj9z4

Cryptographic Hash Functions

md5 3451564bf2a23a48b4f37cd89ac1e8ff
sha1 885f0d8f6b76f92d4b7844fbacfb745dc5f58cd8
sha256 e5d0d7aa91b107a0baa1de484d76d94b1e68aa8976479100b6c7b1330dec2b91
sha512 53883be993557b3925c558350b0a80eb0d7567549082d80aa94aa048bc0d95737b09af85de49b96c70ec2d8d4ced4814dc98f25c8b3d7b3ac8120d4436710af9
ripemd-160 a2fc1ed21f5809ed0897826b6a37e6ef822e842d

78161728 as geometric shapes

Circle

Radius = n
Diameter 156323456
Circumference 491104620.95337
Area 1.919279290125E+16

Sphere

Radius = n
Volume 2.0001891444105E+24
Surface area 7.6771171605E+16
Circumference 491104620.95337

Square

Length = n
Perimeter 312646912
Area 6109255723945984
Diagonal 110537375.79612

Cube

Length = n
Surface area 36655534343675904
Volume 4.7750998417751E+23
Space diagonal 135380084.10338

Equilateral Triangle

Length = n
Perimeter 234485184
Area 2.6453853275764E+15
Altitude 67690042.051689

Triangular Pyramid

Length = n
Surface area 2.6453853275764E+15
Volume 5.6275091316033E+22
Height 36845791.932039