78138520 (number)

78138520 is an even 8-digits composite number following 78138519 and preceding 78138521. In scientific notation, it is written as 7.8138520 × 10^7. The sum of its digits is 34. It has a total of 5 prime factors and 16 positive divisors. There are 31255392 positive integers (up to 78138520) that are relatively prime to 78138520.

Interesting facts

Basic properties

Name

Name seventy-eight million one hundred thirty-eight thousand five hundred twenty

Notation

Scientific notation 7.8138520 × 10^7
Engineering notation 7.8138520 × 10^6

Prime Factorization of 78138520

Prime Factorization 2 × 2 × 2 × 5 × 1953463

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 19534630
Product of the distinct prime numbers

The prime factorization of 78138520 is 2 × 2 × 2 × 5 × 1953463. Since it has a total of 5 prime factors.

Most popular turbo-numbers

10, 6, 70, 85, 305, 975, 7951, 1844, 94715, 72725, 276536, 728327, 606127, 8497028, 4709659, 85081778, 802264528, 594505428, 2593128403, 4383647217

Basic calculations (n = 78138520)

Multiplication

n×y
n×2 156277040
n×3 234415560
n×4 312554080
n×5 390692600

Division

n÷y
n÷2 39069260
n÷3 26046173.333333
n÷3 19534630
n÷5 15627704

Exponentiation

ny
n2 6105628307790400
n3 4.7708475964085E+23
n4 3.7278697032891E+31
n5 2.9129022136785E+39

Nth Root

y√n
2√n 8839.5995384406
3√n 427.5186453799
4√n 94.01914453153
5√n 37.894225591214

Divisors of 78138520

1, 2, 4, 5, 8, 10, 20, 40, 1953463, 3906926, 7813852, 9767315, 15627704, 19534630, 39069260, 78138520

16 divisors

τ Total Divisors 16
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -78138519
Sum of the proper positive divisors of n
A Arithmetic Mean 0.0625
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 16
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 78138520 can be divided by 16 positive divisors. The sum of these divisors (counting 78138520) is 1, the average is 0.0625.

Base conversion 78138520

Base System Value
2 Binary 100101010000100110010011000
3 Ternary 12110000211220021
4 Quaternary 10222010302120
5 Quinary 130000413040
6 Senary 11430440224
8 Octal 452046230
10 Decimal 78138520
12 Duodecimal 22203074
16 Hexadecimal 4a84c98
20 Vigesimal 1487660
36 Base36 1ais2g

Cryptographic Hash Functions

md5 82375504d500b6a66763a22d1df8287e
sha1 f2243b574230d0129ada15f94a10ad393a1c5d29
sha256 699977537f9053477ad35367606889b065ff64cc34dcfbd813640a383f5732be
sha512 94d349c5abbe8a5449a74ba87a6312bc83e5ed572a6944615a9212acb451a5cd1d01d8e44a9a22510bd4e98d074376a4eb1c27d5dd5cf9b1fb7c57b8787886a3
ripemd-160 2fd4246fb7db310ba4cf6b7b448c07802eb9530d

78138520 as geometric shapes

Circle

Radius = n
Diameter 156277040
Circumference 490958800.78876
Area 1.9181397037304E+16

Sphere

Radius = n
Volume 1.9984079680364E+24
Surface area 7.6725588149217E+16
Circumference 490958800.78876

Square

Length = n
Perimeter 312554080
Area 6105628307790400
Diagonal 110504554.72776

Cube

Length = n
Surface area 36633769846742400
Volume 4.7708475964085E+23
Space diagonal 135339886.66824

Equilateral Triangle

Length = n
Perimeter 234415560
Area 2.6438146103059E+15
Altitude 67669943.334118

Triangular Pyramid

Length = n
Surface area 2.6438146103059E+15
Volume 5.6224978123799E+22
Height 36834851.57592