68442021 (number)

68442021 is an odd 8-digits composite number following 68442020 and preceding 68442022. In scientific notation, it is written as 6.8442021 × 10^7. The sum of its digits is 27. It has a total of 2 prime factors and 4 positive divisors. There are 45628008 positive integers (up to 68442021) that are relatively prime to 68442021.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 6.8442021 × 10^7
Engineering notation 6.8442021 × 10^6

Prime Factorization of 68442021

Prime Factorization 9 × 7604669

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 68442021
Product of the distinct prime numbers

The prime factorization of 68442021 is 9 × 7604669. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 68442021)

Multiplication

n×y
n×2 136884042
n×3 205326063
n×4 273768084
n×5 342210105

Division

n÷y
n÷2 34221010.5
n÷3 22814007
n÷3 17110505.25
n÷5 13688404.2

Exponentiation

ny
n2 4684310238564441
n3 3.2060365971834E+23
n4 2.194276241112E+31
n5 1.5018070057399E+39

Nth Root

y√n
2√n 8272.9692976585
3√n 409.04800141222
4√n 90.955864558908
5√n 36.903245725299

Divisors of 68442021

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 -68442020
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 68442021 can be divided by 4 positive divisors. The sum of these divisors (counting 68442021) is 1, the average is 0.25.

Base conversion 68442021

Base System Value
2 Binary 100000101000101011110100101
3 Ternary 11202210012210200
4 Quaternary 10011011132211
5 Quinary 120010121041
6 Senary 10442541113
8 Octal 405053645
10 Decimal 68442021
12 Duodecimal 1ab07799
16 Hexadecimal 41457a5
20 Vigesimal 117f511
36 Base36 14qy79

Cryptographic Hash Functions

md5 beb477eaaa5e51ae4f3755242528f50a
sha1 ef1d61559779e0fbb7869a14fc593b3939bb9fd6
sha256 787bf2853fc01be523de3a574a18e33d4173ffcd5c7909c3e9226aee29f9d585
sha512 66a695cbf99975258c4e5d6c322dc734a02dca20f678189b316f8ac35ad7f55a146956f6259567e7ae8bfcaac9ec0388182bc509d68f2da3f9ee4881c7f80af8
ripemd-160 7b91b9e1f929a61ee170b5e0e8e78a3df52fc121

68442021 as geometric shapes

Circle

Radius = n
Diameter 136884042
Circumference 430033900.74088
Area 1.471619463261E+16

Sphere

Radius = n
Volume 1.3429414694469E+24
Surface area 5.8864778530438E+16
Circumference 430033900.74088

Square

Length = n
Perimeter 273768084
Area 4684310238564441
Diagonal 96791634.334424

Cube

Length = n
Surface area 28105861431386646
Volume 3.2060365971834E+23
Space diagonal 118545057.7447

Equilateral Triangle

Length = n
Perimeter 205326063
Area 2.0283658329022E+15
Altitude 59272528.872348

Triangular Pyramid

Length = n
Surface area 2.0283658329022E+15
Volume 3.7783503643344E+22
Height 32263878.111475