21090940 (number)

21090940 is an even 8-digits composite number following 21090939 and preceding 21090941. In scientific notation, it is written as 2.1090940 × 10^7. The sum of its digits is 25. It has a total of 5 prime factors and 24 positive divisors. There are 7787328 positive integers (up to 21090940) that are relatively prime to 21090940.

Interesting facts

Basic properties

Name

Name twenty-one million ninety thousand nine hundred forty

Notation

Scientific notation 2.1090940 × 10^7
Engineering notation 2.1090940 × 10^6

Prime Factorization of 21090940

Prime Factorization 2 × 2 × 5 × 13 × 81119

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 10545470
Product of the distinct prime numbers

The prime factorization of 21090940 is 2 × 2 × 5 × 13 × 81119. Since it has a total of 5 prime factors.

Most popular turbo-numbers

9, 2, 35, 68, 262, 437, 5062, 271, 48365, 9727, 571130, 506176, 4069997, 1255161, 85091433, 7831628, 262813722, 588156506, 6947598436, 1603196058

Basic calculations (n = 21090940)

Multiplication

n×y
n×2 42181880
n×3 63272820
n×4 84363760
n×5 105454700

Division

n÷y
n÷2 10545470
n÷3 7030313.3333333
n÷3 5272735
n÷5 4218188

Exponentiation

ny
n2 444827750083600
n3 9.3818353873482E+21
n4 1.9787172724444E+29
n5 4.1733007270088E+36

Nth Root

y√n
2√n 4592.4873434774
3√n 276.29009266383
4√n 67.767893160975
5√n 29.162126346843

Divisors of 21090940

1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 81119, 162238, 324476, 405595, 811190, 1054547, 1622380, 2109094, 4218188, 5272735, 10545470, 21090940

24 divisors

τ Total Divisors 24
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21090939
Sum of the proper positive divisors of n
A Arithmetic Mean 0.041666666666667
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 24
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21090940 can be divided by 24 positive divisors. The sum of these divisors (counting 21090940) is 1, the average is 0.041666666666667.

Base conversion 21090940

Base System Value
2 Binary 1010000011101001001111100
3 Ternary 1110200112022221
4 Quaternary 1100131021330
5 Quinary 20344402230
6 Senary 2032015124
8 Octal 120351174
10 Decimal 21090940
12 Duodecimal 70914a4
16 Hexadecimal 141d27c
20 Vigesimal 6bg770
36 Base36 ck1vg

Cryptographic Hash Functions

md5 77611bbea9743170c18376d70ce79756
sha1 f864de15f4e4e002a90143bbd2c4c10d8685770b
sha256 af07a7ecaa6f206b85c44e9291d8175a8ac1f180885d8edaa20b07164da3e4f6
sha512 1acbdf326f9d238ceae0a5d3a629684035513d790ba9ef1c5fd904ff39f430ba70fe83e67aab5d4a6d56ea54404eadd7957522993e124055ef11c3a83f897d5e
ripemd-160 e023a714ca56bb30679ad1680d2f0afbefa3cff8

21090940 as geometric shapes

Circle

Radius = n
Diameter 42181880
Circumference 132518284.32261
Area 1.3974675917755E+15

Sphere

Radius = n
Volume 3.9298540173442E+22
Surface area 5.5898703671021E+15
Circumference 132518284.32261

Square

Length = n
Perimeter 84363760
Area 444827750083600
Diagonal 29827093.391197

Cube

Length = n
Surface area 2668966500501600
Volume 9.3818353873482E+21
Space diagonal 36530579.659387

Equilateral Triangle

Length = n
Perimeter 63272820
Area 1.9261606594034E+14
Altitude 18265289.829693

Triangular Pyramid

Length = n
Surface area 1.9261606594034E+14
Volume 1.1056599037283E+21
Height 9942364.4637324