67821421 (number)

67821421 is an odd 8-digits composite number following 67821420 and preceding 67821422. In scientific notation, it is written as 6.7821421 × 10^7. The sum of its digits is 31. It has a total of 3 prime factors and 8 positive divisors. There are 65326560 positive integers (up to 67821421) that are relatively prime to 67821421.

Interesting facts

Basic properties

Name

Name sixty-seven million eight hundred twenty-one thousand four hundred twenty-one

Notation

Scientific notation 6.7821421 × 10^7
Engineering notation 6.7821421 × 10^6

Prime Factorization of 67821421

Prime Factorization 79 × 41 × 20939

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 67821421
Product of the distinct prime numbers

The prime factorization of 67821421 is 79 × 41 × 20939. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 67821421)

Multiplication

n×y
n×2 135642842
n×3 203464263
n×4 271285684
n×5 339107105

Division

n÷y
n÷2 33910710.5
n÷3 22607140.333333
n÷3 16955355.25
n÷5 13564284.2

Exponentiation

ny
n2 4599745146459241
n3 3.1196125207072E+23
n4 2.1157655412375E+31
n5 1.4349422550956E+39

Nth Root

y√n
2√n 8235.3761905574
3√n 407.80789407069
4√n 90.748973495888
5√n 36.836077412173

Divisors of 67821421

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 -67821420
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 67821421 can be divided by 8 positive divisors. The sum of these divisors (counting 67821421) is 1, the average is 0.125.

Base conversion 67821421

Base System Value
2 Binary 100000010101101111101101101
3 Ternary 11201121200111111
4 Quaternary 10002231331231
5 Quinary 114330241141
6 Senary 10421352021
8 Octal 402557555
10 Decimal 67821421
12 Duodecimal 1a868611
16 Hexadecimal 40adf6d
20 Vigesimal 113hdb1
36 Base36 14dncd

Cryptographic Hash Functions

md5 07c5a330ef123b60b1c194fa39f56385
sha1 9abd6a350f7c22b127b7c35a76efba9a7048476d
sha256 c8f27d7e3a57f49941a5f49392abbb78f90da36a27e8c77f33aa085359798921
sha512 691c4a17385ce1efb4735051f6ea70ee8297d35c2fc5057159446b10b5b10758fa053f8b0a3554f773e06955c38a8e34140ebe49ea28454d24f83083420f5f08
ripemd-160 a182c1f5f01b5b3b7a75f773d31c50ad04fa96d8

67821421 as geometric shapes

Circle

Radius = n
Diameter 135642842
Circumference 426134555.93924
Area 1.4450525560502E+16

Sphere

Radius = n
Volume 1.3067402369467E+24
Surface area 5.7802102242007E+16
Circumference 426134555.93924

Square

Length = n
Perimeter 271285684
Area 4599745146459241
Diagonal 95913973.397615

Cube

Length = n
Surface area 27598470878755446
Volume 3.1196125207072E+23
Space diagonal 117470147.01352

Equilateral Triangle

Length = n
Perimeter 203464263
Area 1.9917480738839E+15
Altitude 58735073.506759

Triangular Pyramid

Length = n
Surface area 1.9917480738839E+15
Volume 3.6764986134442E+22
Height 31971324.465872