78442021 (number)

78442021 is an odd 8-digits composite number following 78442020 and preceding 78442022. In scientific notation, it is written as 7.8442021 × 10^7. The sum of its digits is 28. It has a total of 3 prime factors and 8 positive divisors. There are 66607008 positive integers (up to 78442021) that are relatively prime to 78442021.

Interesting facts

Basic properties

Name

Name seventy-eight million four hundred forty-two thousand twenty-one

Notation

Scientific notation 7.8442021 × 10^7
Engineering notation 7.8442021 × 10^6

Prime Factorization of 78442021

Prime Factorization 7 × 107 × 104729

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 78442021
Product of the distinct prime numbers

The prime factorization of 78442021 is 7 × 107 × 104729. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 78442021)

Multiplication

n×y
n×2 156884042
n×3 235326063
n×4 313768084
n×5 392210105

Division

n÷y
n÷2 39221010.5
n÷3 26147340.333333
n÷3 19610505.25
n÷5 15688404.2

Exponentiation

ny
n2 6153150658564441
n3 4.8266557317528E+23
n4 3.7861263026992E+31
n5 2.9699139894498E+39

Nth Root

y√n
2√n 8856.7500246987
3√n 428.07144445967
4√n 94.110307749463
5√n 37.923617262288

Divisors of 78442021

8 divisors

τ Total Divisors 8
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -78442020
Sum of the proper positive divisors of n
A Arithmetic Mean 0.125
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 8
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 78442021 can be divided by 8 positive divisors. The sum of these divisors (counting 78442021) is 1, the average is 0.125.

Base conversion 78442021

Base System Value
2 Binary 100101011001110111000100101
3 Ternary 12110121021020001
4 Quaternary 10223032320211
5 Quinary 130040121041
6 Senary 11441141301
8 Octal 453167045
10 Decimal 78442021
12 Duodecimal 2232a831
16 Hexadecimal 4acee25
20 Vigesimal 14a5511
36 Base36 1apa91

Cryptographic Hash Functions

md5 278c429d355089d1ff53c0607f40750c
sha1 cbeed947c44a97954e0791bca2959baba6bdaa2e
sha256 39f8fcea15600205d4ae599cad3d4293b33ca638b1b03dc122265b9980f8a0a0
sha512 1373c6af7cca6bc7e451159907070be1653f746939a995514222a96ead5a466a9def1d8af0730c58056cd0fe89857bd9cec97695fd246f27af6a32fad3fc7d32
ripemd-160 3350fa9935301847c0c339fb4cae0a57bff885a1

78442021 as geometric shapes

Circle

Radius = n
Diameter 156884042
Circumference 492865753.81267
Area 1.9330692905377E+16

Sphere

Radius = n
Volume 2.0217848251042E+24
Surface area 7.7322771621509E+16
Circumference 492865753.81267

Square

Length = n
Perimeter 313768084
Area 6153150658564441
Diagonal 110933769.95816

Cube

Length = n
Surface area 36918903951386646
Volume 4.8266557317528E+23
Space diagonal 135865565.82038

Equilateral Triangle

Length = n
Perimeter 235326063
Area 2.6643923918149E+15
Altitude 67932782.910192

Triangular Pyramid

Length = n
Surface area 2.6643923918149E+15
Volume 5.6882683306255E+22
Height 36977923.319385