78691840 (number)

78691840 is an even 8-digits composite number following 78691839 and preceding 78691841. In scientific notation, it is written as 7.8691840 × 10^7. The sum of its digits is 43. It has a total of 12 prime factors and 80 positive divisors. There are 30883840 positive integers (up to 78691840) that are relatively prime to 78691840.

Interesting facts

Basic properties

Name

Name seventy-eight million six hundred ninety-one thousand eight hundred forty

Notation

Scientific notation 7.8691840 × 10^7
Engineering notation 7.8691840 × 10^6

Prime Factorization of 78691840

Prime Factorization 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 5 × 59 × 521

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 12
Total number of prime factors
rad Radical 307390
Product of the distinct prime numbers

The prime factorization of 78691840 is 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 5 × 59 × 521. Since it has a total of 12 prime factors.

Most popular turbo-numbers

Basic calculations (n = 78691840)

Multiplication

n×y
n×2 157383680
n×3 236075520
n×4 314767360
n×5 393459200

Division

n÷y
n÷2 39345920
n÷3 26230613.333333
n÷3 19672960
n÷5 15738368

Exponentiation

ny
n2 6192405682585600
n3 4.8729179718912E+23
n4 3.8345888137718E+31
n5 3.0175084939912E+39

Nth Root

y√n
2√n 8870.8421246238
3√n 428.52539780756
4√n 94.185148110643
5√n 37.94774207196

Divisors of 78691840

80 divisors

τ Total Divisors 80
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -78691839
Sum of the proper positive divisors of n
A Arithmetic Mean 0.0125
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 80
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 78691840 can be divided by 80 positive divisors. The sum of these divisors (counting 78691840) is 1, the average is 0.0125.

Base conversion 78691840

Base System Value
2 Binary 100101100001011111000000000
3 Ternary 12111001221220121
4 Quaternary 10230023320000
5 Quinary 130121114330
6 Senary 11450350024
8 Octal 454137000
10 Decimal 78691840
12 Duodecimal 2242b314
16 Hexadecimal 4b0be00
20 Vigesimal 14bg9c0
36 Base36 1aun0g

Cryptographic Hash Functions

md5 29f3283403e0fcc1074b421e5816f9b6
sha1 b28c08556520be0a71488a42e270c9753a38078e
sha256 fee2247974247a266bdd8daf2452a077bc0417a7aee027bc51f5717b44d996b7
sha512 6452243d896e9abde382046a8c73af723e439f0cb79ba054bc2e7d3eaa6e7759328f414e3e3002809451711e501a2b726e944b6dbb900b9ee5af83e6540f7dc8
ripemd-160 d1598bd57dcf266e1c02092ef60e3346d4fb6ef6

78691840 as geometric shapes

Circle

Radius = n
Diameter 157383680
Circumference 494435412.88293
Area 1.9454016200459E+16

Sphere

Radius = n
Volume 2.0411631069385E+24
Surface area 7.7816064801834E+16
Circumference 494435412.88293

Square

Length = n
Perimeter 314767360
Area 6192405682585600
Diagonal 111287067.37609

Cube

Length = n
Surface area 37154434095513600
Volume 4.8729179718912E+23
Space diagonal 136298265.02108

Equilateral Triangle

Length = n
Perimeter 236075520
Area 2.6813903158291E+15
Altitude 68149132.51054

Triangular Pyramid

Length = n
Surface area 2.6813903158291E+15
Volume 5.7427889034834E+22
Height 37095689.125365