21379904 (number)

21379904 is an even 8-digits composite number following 21379903 and preceding 21379905. In scientific notation, it is written as 2.1379904 × 10^7. The sum of its digits is 35. It has a total of 8 prime factors and 28 positive divisors. There are 8455680 positive integers (up to 21379904) that are relatively prime to 21379904.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.1379904 × 10^7
Engineering notation 2.1379904 × 10^6

Prime Factorization of 21379904

Prime Factorization 2 × 2 × 2 × 2 × 2 × 2 × 91 × 3671

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 8
Total number of prime factors
rad Radical 668122
Product of the distinct prime numbers

The prime factorization of 21379904 is 2 × 2 × 2 × 2 × 2 × 2 × 91 × 3671. Since it has a total of 8 prime factors.

Most popular turbo-numbers

8, 5, 23, 48, 31, 951, 9057, 9923, 42113, 97666, 398036, 597358, 8543915, 1777794, 25033373, 73834120, 459275806, 46956586, 9939767455, 7014688484

Basic calculations (n = 21379904)

Multiplication

n×y
n×2 42759808
n×3 64139712
n×4 85519616
n×5 106899520

Division

n÷y
n÷2 10689952
n÷3 7126634.6666667
n÷3 5344976
n÷5 4275980.8

Exponentiation

ny
n2 457100295049216
n3 9.7727604265239E+21
n4 2.0894067973408E+29
n5 4.4671316744094E+36

Nth Root

y√n
2√n 4623.8408277102
3√n 277.54617741944
4√n 67.998829605444
5√n 29.241601220191

Divisors of 21379904

1, 2, 4, 8, 16, 32, 64, 91, 182, 364, 728, 1456, 2912, 3671, 5824, 7342, 14684, 29368, 58736, 117472, 234944, 334061, 668122, 1336244, 2672488, 5344976, 10689952, 21379904

28 divisors

τ Total Divisors 28
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21379903
Sum of the proper positive divisors of n
A Arithmetic Mean 0.035714285714286
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 28
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21379904 can be divided by 28 positive divisors. The sum of these divisors (counting 21379904) is 1, the average is 0.035714285714286.

Base conversion 21379904

Base System Value
2 Binary 1010001100011101101000000
3 Ternary 1111020012201022
4 Quaternary 1101203231000
5 Quinary 20433124104
6 Senary 2042125012
8 Octal 121435500
10 Decimal 21379904
12 Duodecimal 71b0768
16 Hexadecimal 1463b40
20 Vigesimal 6dc9f4
36 Base36 cq8u8

Cryptographic Hash Functions

md5 884d44a9abcf5a174533b2292900fc22
sha1 2c4195d967505848fc74c4d22613af112da3d54a
sha256 9bef9e19782b86ecc305eba23d5942eef0ebd6e3acb842e64df9018728de4880
sha512 5e3e2df049df33a34d98e50bc2b26ea9ce4814c82816e03bc18f9d2fafcfe9092a087c2f896d193790297d2ee440b5f24c86b139602c12e7614bd8795cf68bd9
ripemd-160 b583f2fb1dc181ecf4021c0fc90aa56b6d46e59c

21379904 as geometric shapes

Circle

Radius = n
Diameter 42759808
Circumference 134333898.68171
Area 1.4360229288803E+15

Sphere

Radius = n
Volume 4.0936043148347E+22
Surface area 5.7440917155214E+15
Circumference 134333898.68171

Square

Length = n
Perimeter 85519616
Area 457100295049216
Diagonal 30235750.199035

Cube

Length = n
Surface area 2742601770295296
Volume 9.7727604265239E+21
Space diagonal 37031079.988945

Equilateral Triangle

Length = n
Perimeter 64139712
Area 1.9793023379499E+14
Altitude 18515539.994473

Triangular Pyramid

Length = n
Surface area 1.9793023379499E+14
Volume 1.1517308614178E+21
Height 10078583.399678