78431390 (number)

78431390 is an even 8-digits composite number following 78431389 and preceding 78431391. In scientific notation, it is written as 7.8431390 × 10^7. The sum of its digits is 35. It has a total of 4 prime factors and 16 positive divisors. There are 31125024 positive integers (up to 78431390) that are relatively prime to 78431390.

Interesting facts

Basic properties

Name

Name seventy-eight million four hundred thirty-one thousand three hundred ninety

Notation

Scientific notation 7.8431390 × 10^7
Engineering notation 7.8431390 × 10^6

Prime Factorization of 78431390

Prime Factorization 2 × 5 × 127 × 61757

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 78431390
Product of the distinct prime numbers

The prime factorization of 78431390 is 2 × 5 × 127 × 61757. Since it has a total of 4 prime factors.

Most popular turbo-numbers

3, 10, 54, 97, 754, 321, 9866, 7223, 22341, 4784, 315883, 62322, 5905979, 6420023, 52082659, 74157581, 189587181, 832462626, 4079531960, 3445121277

Basic calculations (n = 78431390)

Multiplication

n×y
n×2 156862780
n×3 235294170
n×4 313725560
n×5 392156950

Division

n÷y
n÷2 39215695
n÷3 26143796.666667
n÷3 19607847.5
n÷5 15686278

Exponentiation

ny
n2 6151482937332100
n3 4.8246935733624E+23
n4 3.7840742328288E+31
n5 2.9679020194395E+39

Nth Root

y√n
2√n 8856.1498406475
3√n 428.05210519452
4√n 94.10711896901
5√n 37.922589272882

Divisors of 78431390

1, 2, 5, 10, 127, 254, 635, 1270, 61757, 123514, 308785, 617570, 7843139, 15686278, 39215695, 78431390

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 -78431389
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 78431390 can be divided by 16 positive divisors. The sum of these divisors (counting 78431390) is 1, the average is 0.0625.

Base conversion 78431390

Base System Value
2 Binary 100101011001100010010011110
3 Ternary 12110120201122022
4 Quaternary 10223030102132
5 Quinary 130034301030
6 Senary 11441020142
8 Octal 453142236
10 Decimal 78431390
12 Duodecimal 22324652
16 Hexadecimal 4acc49e
20 Vigesimal 14a3i9a
36 Base36 1ap21q

Cryptographic Hash Functions

md5 a19945b1335688ec2486fb48a4322322
sha1 7deff8e338b66eb26061277baffcd00290454f8e
sha256 12c39901aaac7ab48e020c3401642520ce21d84d90c291701206cf647c61cfd3
sha512 d50e197fb9eb2a2f3f29cf2aba5e0521fe650dc66103d2720183101eae52e918e59da31bd256740b7fa2aff146964ae6c21ce2b57a8d4ec9ef0f4eda4a267a83
ripemd-160 3b222eb5c17ffd59a31b3c71249fab0b30b05a08

78431390 as geometric shapes

Circle

Radius = n
Diameter 156862780
Circumference 492798957.26967
Area 1.9325453604605E+16

Sphere

Radius = n
Volume 2.0209629181196E+24
Surface area 7.7301814418422E+16
Circumference 492798957.26967

Square

Length = n
Perimeter 313725560
Area 6151482937332100
Diagonal 110918735.45377

Cube

Length = n
Surface area 36908897623992600
Volume 4.8246935733624E+23
Space diagonal 135847152.38825

Equilateral Triangle

Length = n
Perimeter 235294170
Area 2.6636702473381E+15
Altitude 67923576.194125

Triangular Pyramid

Length = n
Surface area 2.6636702473381E+15
Volume 5.6859559047862E+22
Height 36972911.817925