21379909 (number)

21379909 is an odd 8-digits prime number following 21379908 and preceding 21379910. In scientific notation, it is written as 2.1379909 × 10^7. The sum of its digits is 40. It has a total of 1 prime factors and 2 positive divisors. There are 21379908 positive integers (up to 21379909) that are relatively prime to 21379909.

Interesting facts

Basic properties

Name

Name twenty-one million three hundred seventy-nine thousand nine hundred nine

Notation

Scientific notation 2.1379909 × 10^7
Engineering notation 2.1379909 × 10^6

Prime Factorization of 21379909

Prime Factorization 21379909

Composite number
ω Distinct Factors 1
Total number of distinct prime factors
Ω Total Factors 1
Total number of prime factors
rad Radical 21379909
Product of the distinct prime numbers

The prime factorization of 21379909 is 21379909. Since it has a total of 1 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21379909)

Multiplication

n×y
n×2 42759818
n×3 64139727
n×4 85519636
n×5 106899545

Division

n÷y
n÷2 10689954.5
n÷3 7126636.3333333
n÷3 5344977.25
n÷5 4275981.8

Exponentiation

ny
n2 457100508848281
n3 9.7727672830299E+21
n4 2.0894087518936E+29
n5 4.4671368979288E+36

Nth Root

y√n
2√n 4623.8413683862
3√n 277.5461990555
4√n 67.998833581071
5√n 29.241602587905

Divisors of 21379909

2 divisors

τ Total Divisors 2
Total number of the positive divisors of n
σ Sum of Divisors 21379910
Sum of all the positive divisors of n
s Aliquot Sum 1
Sum of the proper positive divisors of n
A Arithmetic Mean 10689955
Returns the sum of divisors (σ(n)) divided by the total number of divisors (τ(n))
G Geometric Mean 4623.8414765214
Returns the nth root of the product of n divisors
H Harmonic Mean 1.9999999064542
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21379909 can be divided by 2 positive divisors. The sum of these divisors (counting 21379909) is 21379910, the average is 10689955.

Base conversion 21379909

Base System Value
2 Binary 1010001100011101101000101
3 Ternary 1111020012201111
4 Quaternary 1101203231011
5 Quinary 20433124114
6 Senary 2042125021
8 Octal 121435505
10 Decimal 21379909
12 Duodecimal 71b0771
16 Hexadecimal 1463b45
20 Vigesimal 6dc9f9
36 Base36 cq8ud

Cryptographic Hash Functions

md5 918420c4b475f1dcbf20c0ac45d3a95d
sha1 f92eaea66929c1af0278d059747e10c2e8d35081
sha256 01be8ae6e65d68c5e5990fe00c55ac4f7851d52433bcd73b1ebc3db03e9d9f69
sha512 9389f6505c0b7d708b72de24b4094c53151155b88df9d9ad677b570219f1b44ac917dd3133002c48c4e12856080c779af4080c4cff9ebd0ca5cae3fa6f706c65
ripemd-160 2fc3f8617839ab6d00afdb1f0524b72ab3c4ed56

21379909 as geometric shapes

Circle

Radius = n
Diameter 42759818
Circumference 134333930.09764
Area 1.4360236005499E+15

Sphere

Radius = n
Volume 4.0936071868813E+22
Surface area 5.7440944021997E+15
Circumference 134333930.09764

Square

Length = n
Perimeter 85519636
Area 457100508848281
Diagonal 30235757.270103

Cube

Length = n
Surface area 2742603053089686
Volume 9.7727672830299E+21
Space diagonal 37031088.649199

Equilateral Triangle

Length = n
Perimeter 64139727
Area 1.979303263727E+14
Altitude 18515544.3246

Triangular Pyramid

Length = n
Surface area 1.979303263727E+14
Volume 1.1517316694648E+21
Height 10078585.756701