78156728 (number)

78156728 is an even 8-digits composite number following 78156727 and preceding 78156729. In scientific notation, it is written as 7.8156728 × 10^7. The sum of its digits is 44. It has a total of 7 prime factors and 64 positive divisors. There are 33219072 positive integers (up to 78156728) that are relatively prime to 78156728.

Interesting facts

Basic properties

Name

Name seventy-eight million one hundred fifty-six thousand seven hundred twenty-eight

Notation

Scientific notation 7.8156728 × 10^7
Engineering notation 7.8156728 × 10^6

Prime Factorization of 78156728

Prime Factorization 2 × 2 × 2 × 19 × 13 × 37 × 1069

Composite number
ω Distinct Factors 5
Total number of distinct prime factors
Ω Total Factors 7
Total number of prime factors
rad Radical 19539182
Product of the distinct prime numbers

The prime factorization of 78156728 is 2 × 2 × 2 × 19 × 13 × 37 × 1069. Since it has a total of 7 prime factors.

Most popular turbo-numbers

7, 7, 45, 65, 415, 19, 1275, 1673, 71926, 22795, 948704, 504315, 3248197, 5373467, 94544837, 90810424, 358438225, 104259880, 7714708311, 1352962512

Basic calculations (n = 78156728)

Multiplication

n×y
n×2 156313456
n×3 234470184
n×4 312626912
n×5 390783640

Division

n÷y
n÷2 39078364
n÷3 26052242.666667
n÷3 19539182
n÷5 15631345.6

Exponentiation

ny
n2 6108474131665984
n3 4.7741835120365E+23
n4 3.7313456217232E+31
n5 2.9162976483101E+39

Nth Root

y√n
2√n 8840.6293893591
3√n 427.55184989473
4√n 94.024621187001
5√n 37.895991464835

Divisors of 78156728

1, 2, 4, 8, 13, 19, 26, 37, 38, 52, 74, 76, 104, 148, 152, 247, 296, 481, 494, 703, 962, 988, 1069, 1406, 1924, 1976, 2138, 2812, 3848, 4276, 5624, 8552, 9139, 13897, 18278, 20311, 27794, 36556, 39553, 40622, 55588, 73112, 79106, 81244, 111176, 158212, 162488, 264043, 316424, 514189, 528086, 751507, 1028378, 1056172, 1503014, 2056756, 2112344, 3006028, 4113512, 6012056, 9769591, 19539182, 39078364, 78156728

64 divisors

τ Total Divisors 64
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -78156727
Sum of the proper positive divisors of n
A Arithmetic Mean 0.015625
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 64
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 78156728 can be divided by 64 positive divisors. The sum of these divisors (counting 78156728) is 1, the average is 0.015625.

Base conversion 78156728

Base System Value
2 Binary 100101010001001001110111000
3 Ternary 12110001202212122
4 Quaternary 10222021032320
5 Quinary 130002003403
6 Senary 11431100412
8 Octal 452111670
10 Decimal 78156728
12 Duodecimal 22211708
16 Hexadecimal 4a893b8
20 Vigesimal 1489bg8
36 Base36 1aj648

Cryptographic Hash Functions

md5 ea5ac6bbcea85b4293bef84508754724
sha1 38ebeb8b38b8f2a6cf959316133834e906c6686e
sha256 503faf8863bb574ba307e9c3c61dec3e79adc25ca19bfbc3058320428fe90ad3
sha512 26504872375333c2593bf7e66cb70ebd70c006e18a81d94776f17dcc99231dff97a9342049a4d1f6864dcb1000faa770deac8dfc9e5d44c0a86af055a405fd4f
ripemd-160 caae0c14dd532600ee473716a8dd68a0f90d6082

78156728 as geometric shapes

Circle

Radius = n
Diameter 156313456
Circumference 491073205.02683
Area 1.9190337456685E+16

Sphere

Radius = n
Volume 1.9998053131071E+24
Surface area 7.6761349826741E+16
Circumference 491073205.02683

Square

Length = n
Perimeter 312626912
Area 6108474131665984
Diagonal 110530304.72831

Cube

Length = n
Surface area 36650844789995904
Volume 4.7741835120365E+23
Space diagonal 135371423.84934

Equilateral Triangle

Length = n
Perimeter 234470184
Area 2.6450468881914E+15
Altitude 67685711.924671

Triangular Pyramid

Length = n
Surface area 2.6450468881914E+15
Volume 5.6264292266501E+22
Height 36843434.909435