21904902 (number)

21904902 is an even 8-digits composite number following 21904901 and preceding 21904903. In scientific notation, it is written as 2.1904902 × 10^7. The sum of its digits is 27. It has a total of 4 prime factors and 12 positive divisors. There are 7301628 positive integers (up to 21904902) that are relatively prime to 21904902.

Interesting facts

Basic properties

Name

Name twenty-one million nine hundred four thousand nine hundred two

Notation

Scientific notation 2.1904902 × 10^7
Engineering notation 2.1904902 × 10^6

Prime Factorization of 21904902

Prime Factorization 2 × 3 × 3 × 1216939

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 7301634
Product of the distinct prime numbers

The prime factorization of 21904902 is 2 × 3 × 3 × 1216939. Since it has a total of 4 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21904902)

Multiplication

n×y
n×2 43809804
n×3 65714706
n×4 87619608
n×5 109524510

Division

n÷y
n÷2 10952451
n÷3 7301634
n÷3 5476225.5
n÷5 4380980.4

Exponentiation

ny
n2 479824731629604
n3 1.0510513723523E+22
n4 2.3023177308342E+29
n5 5.0432044266786E+36

Nth Root

y√n
2√n 4680.2673000588
3√n 279.79961002077
4√n 68.412479125221
5√n 29.383820539348

Divisors of 21904902

12 divisors

τ Total Divisors 12
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21904901
Sum of the proper positive divisors of n
A Arithmetic Mean 0.083333333333333
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 12
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21904902 can be divided by 12 positive divisors. The sum of these divisors (counting 21904902) is 1, the average is 0.083333333333333.

Base conversion 21904902

Base System Value
2 Binary 1010011100011111000000110
3 Ternary 1112012212212200
4 Quaternary 1103203320012
5 Quinary 21101424102
6 Senary 2101255330
8 Octal 123437006
10 Decimal 21904902
12 Duodecimal 7404546
16 Hexadecimal 14e3e06
20 Vigesimal 6gi252
36 Base36 d1hxi

Cryptographic Hash Functions

md5 c07578e09137e45277279bc8bb4c3d5e
sha1 97487fb10556f40d724837868ab85c527ebcfcfd
sha256 77f6d0f74c24c410c33376e47ce799c704c8267a2a92e8a14606f7ece1c4d8bc
sha512 2ad640a7a398ef664078662653674c826ed533d7889034957a8e541b51edeab6f041543bd1b9c4ed49ec7bee912c63871ad7e27684fca240659e161177658cb4
ripemd-160 c40b5487fd11f5b26a12e6c5a9bd9daf12bdabc0

21904902 as geometric shapes

Circle

Radius = n
Diameter 43809804
Circumference 137632558.40161
Area 1.5074138518983E+15

Sphere

Radius = n
Volume 4.4026336932365E+22
Surface area 6.029655407593E+15
Circumference 137632558.40161

Square

Length = n
Perimeter 87619608
Area 479824731629604
Diagonal 30978209.490854

Cube

Length = n
Surface area 2878948389777624
Volume 1.0510513723523E+22
Space diagonal 37940403.198817

Equilateral Triangle

Length = n
Perimeter 65714706
Area 2.0777020347764E+14
Altitude 18970201.599409

Triangular Pyramid

Length = n
Surface area 2.0777020347764E+14
Volume 1.2386759212762E+21
Height 10326069.830285