21006904 (number)

21006904 is an even 8-digits composite number following 21006903 and preceding 21006905. In scientific notation, it is written as 2.1006904 × 10^7. The sum of its digits is 22. It has a total of 5 prime factors and 16 positive divisors. There are 10141152 positive integers (up to 21006904) that are relatively prime to 21006904.

Interesting facts

Basic properties

Name

Name twenty-one million six thousand nine hundred four

Notation

Scientific notation 2.1006904 × 10^7
Engineering notation 2.1006904 × 10^6

Prime Factorization of 21006904

Prime Factorization 2 × 2 × 2 × 29 × 90547

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 5251726
Product of the distinct prime numbers

The prime factorization of 21006904 is 2 × 2 × 2 × 29 × 90547. Since it has a total of 5 prime factors.

Most popular turbo-numbers

4, 5, 84, 83, 640, 119, 7473, 2286, 58891, 84484, 186214, 636538, 7419987, 1631928, 51344295, 69570862, 166138529, 768086596, 679864550, 3509331847

Basic calculations (n = 21006904)

Multiplication

n×y
n×2 42013808
n×3 63020712
n×4 84027616
n×5 105034520

Division

n÷y
n÷2 10503452
n÷3 7002301.3333333
n÷3 5251726
n÷5 4201380.8

Exponentiation

ny
n2 441290015665216
n3 9.2701369952377E+21
n4 1.9473687792581E+29
n5 4.0908188998471E+36

Nth Root

y√n
2√n 4583.32892121
3√n 275.922648631
4√n 67.700287452935
5√n 29.138850156694

Divisors of 21006904

1, 2, 4, 8, 29, 58, 116, 232, 90547, 181094, 362188, 724376, 2625863, 5251726, 10503452, 21006904

16 divisors

τ Total Divisors 16
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21006903
Sum of the proper positive divisors of n
A Arithmetic Mean 0.0625
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 16
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21006904 can be divided by 16 positive divisors. The sum of these divisors (counting 21006904) is 1, the average is 0.0625.

Base conversion 21006904

Base System Value
2 Binary 1010000001000101000111000
3 Ternary 1110112021001111
4 Quaternary 1100020220320
5 Quinary 20334210104
6 Senary 2030130104
8 Octal 120105070
10 Decimal 21006904
12 Duodecimal 7050934
16 Hexadecimal 1408a38
20 Vigesimal 6b5h54
36 Base36 ci914

Cryptographic Hash Functions

md5 c8b4b4af05ddae82fb0b3fed6a870121
sha1 8acf1976df9933963ccf5abb564f8255fb9ad19a
sha256 6382a8849d387ccb708d69e046551a90e18ed833a1931069fcbfae58d413c2ca
sha512 59b35e0742d2865e20549ccf8667442e4e634c52d8ffd0793cc9eff62bb76b8c7e46d822f9e1488333b872b309a70d6cff6dfda54835cfc9f3a33d98f0360685
ripemd-160 54051de347526e1c6d4ad21b5041602b2022baa1

21006904 as geometric shapes

Circle

Radius = n
Diameter 42013808
Circumference 131990270.56213
Area 1.3863534713164E+15

Sphere

Radius = n
Volume 3.883065904268E+22
Surface area 5.5454138852655E+15
Circumference 131990270.56213

Square

Length = n
Perimeter 84027616
Area 441290015665216
Diagonal 29708248.54027

Cube

Length = n
Surface area 2647740093991296
Volume 9.2701369952377E+21
Space diagonal 36385025.037722

Equilateral Triangle

Length = n
Perimeter 63020712
Area 1.9108418200125E+14
Altitude 18192512.518861

Triangular Pyramid

Length = n
Surface area 1.9108418200125E+14
Volume 1.0924961219768E+21
Height 9902749.5134232