78442561 (number)

78442561 is an odd 8-digits composite number following 78442560 and preceding 78442562. In scientific notation, it is written as 7.8442561 × 10^7. The sum of its digits is 37. It has a total of 2 prime factors and 4 positive divisors. There are 78383812 positive integers (up to 78442561) that are relatively prime to 78442561.

Interesting facts

Basic properties

Name

Name seventy-eight million four hundred forty-two thousand five hundred sixty-one

Notation

Scientific notation 7.8442561 × 10^7
Engineering notation 7.8442561 × 10^6

Prime Factorization of 78442561

Prime Factorization 1367 × 57383

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 78442561
Product of the distinct prime numbers

The prime factorization of 78442561 is 1367 × 57383. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 78442561)

Multiplication

n×y
n×2 156885122
n×3 235327683
n×4 313770244
n×5 392212805

Division

n÷y
n÷2 39221280.5
n÷3 26147520.333333
n÷3 19610640.25
n÷5 15688512.2

Exponentiation

ny
n2 6153235376238721
n3 4.8267554134796E+23
n4 3.7862305595396E+31
n5 2.9700162162675E+39

Nth Root

y√n
2√n 8856.7805098693
3√n 428.07242674802
4√n 94.110469714423
5√n 37.923669475876

Divisors of 78442561

4 divisors

τ Total Divisors 4
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -78442560
Sum of the proper positive divisors of n
A Arithmetic Mean 0.25
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 4
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 78442561 can be divided by 4 positive divisors. The sum of these divisors (counting 78442561) is 1, the average is 0.25.

Base conversion 78442561

Base System Value
2 Binary 100101011001111000001000001
3 Ternary 12110121021222001
4 Quaternary 10223033001001
5 Quinary 130040130221
6 Senary 11441144001
8 Octal 453170101
10 Decimal 78442561
12 Duodecimal 2232b001
16 Hexadecimal 4acf041
20 Vigesimal 14a5681
36 Base36 1apao1

Cryptographic Hash Functions

md5 126024abc1d3f95d6dee92faa71db07d
sha1 0cde89be53b043efd82a78a9ad9373eb18e46b04
sha256 90c79f31782a78828ce0459b1cf9c1528f21594d9f49396d300f432a059fe79c
sha512 b9587c0a36fa414acd57d9d105d3fe21b08b8f3fa000c0f5e4728401ea0c65887bf004ad7bd51a05c8e503345888b211cd88bc267487f037b3d1cbfaec50c220
ripemd-160 4a2059db14907e35da2c9edf707588fdc7d72adb

78442561 as geometric shapes

Circle

Radius = n
Diameter 156885122
Circumference 492869146.73274
Area 1.93309590538E+16

Sphere

Radius = n
Volume 2.0218265796883E+24
Surface area 7.7323836215202E+16
Circumference 492869146.73274

Square

Length = n
Perimeter 313770244
Area 6153235376238721
Diagonal 110934533.63348

Cube

Length = n
Surface area 36919412257432326
Volume 4.8267554134796E+23
Space diagonal 135866501.12782

Equilateral Triangle

Length = n
Perimeter 235327683
Area 2.6644290756439E+15
Altitude 67933250.56391

Triangular Pyramid

Length = n
Surface area 2.6644290756439E+15
Volume 5.6883858066672E+22
Height 36978177.877826