21691210 (number)

21691210 is an even 8-digits composite number following 21691209 and preceding 21691211. In scientific notation, it is written as 2.1691210 × 10^7. The sum of its digits is 22. It has a total of 5 prime factors and 32 positive divisors. There are 8453760 positive integers (up to 21691210) that are relatively prime to 21691210.

Interesting facts

Basic properties

Name

Name twenty-one million six hundred ninety-one thousand two hundred ten

Notation

Scientific notation 2.1691210 × 10^7
Engineering notation 2.1691210 × 10^6

Prime Factorization of 21691210

Prime Factorization 2 × 5 × 71 × 137 × 223

Composite number
ω Distinct Factors 5
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 21691210
Product of the distinct prime numbers

The prime factorization of 21691210 is 2 × 5 × 71 × 137 × 223. Since it has a total of 5 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21691210)

Multiplication

n×y
n×2 43382420
n×3 65073630
n×4 86764840
n×5 108456050

Division

n÷y
n÷2 10845605
n÷3 7230403.3333333
n÷3 5422802.5
n÷5 4338242

Exponentiation

ny
n2 470508591264100
n3 1.0205900659914E+22
n4 2.2137833445333E+29
n5 4.8019639420774E+36

Nth Root

y√n
2√n 4657.382311986
3√n 278.8867789123
4√n 68.245016755702
5√n 29.326265076268

Divisors of 21691210

32 divisors

τ Total Divisors 32
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21691209
Sum of the proper positive divisors of n
A Arithmetic Mean 0.03125
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 32
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21691210 can be divided by 32 positive divisors. The sum of these divisors (counting 21691210) is 1, the average is 0.03125.

Base conversion 21691210

Base System Value
2 Binary 1010010101111101101001010
3 Ternary 1111211000202011
4 Quaternary 1102233231022
5 Quinary 21023104320
6 Senary 2052530134
8 Octal 122575512
10 Decimal 21691210
12 Duodecimal 732094a
16 Hexadecimal 14afb4a
20 Vigesimal 6fb80a
36 Base36 cwx1m

Cryptographic Hash Functions

md5 0c7f6adebcb52bb784f9f7ce33f6e443
sha1 7db0c485833bf7634e9940a3f91a5d1dc7039e5a
sha256 e95f228f69d031c3ab44762ee54c06d7243b8271ebd8db02562bec77cac32075
sha512 ff4c05defb3375f9ebe1ec1ad26f8cc603297e7ff2cfde16b492feb6ef12a618617b4e3529e913647136127f0fe98273a524d90530535eb76192aaaa3ef40e10
ripemd-160 a563f5546a6858ff117fc844fbd50637cd8e1c8c

21691210 as geometric shapes

Circle

Radius = n
Diameter 43382420
Circumference 136289891.96695
Area 1.4781463337662E+15

Sphere

Radius = n
Volume 4.275037671527E+22
Surface area 5.9125853350647E+15
Circumference 136289891.96695

Square

Length = n
Perimeter 86764840
Area 470508591264100
Diagonal 30676003.366283

Cube

Length = n
Surface area 2823051547584600
Volume 1.0205900659914E+22
Space diagonal 37570277.797646

Equilateral Triangle

Length = n
Perimeter 65073630
Area 2.0373619636677E+14
Altitude 18785138.898823

Triangular Pyramid

Length = n
Surface area 2.0373619636677E+14
Volume 1.2027769274569E+21
Height 10225334.455428