21291709 (number)

21291709 is an odd 8-digits composite number following 21291708 and preceding 21291710. In scientific notation, it is written as 2.1291709 × 10^7. The sum of its digits is 31. It has a total of 2 prime factors and 4 positive divisors. There are 21080800 positive integers (up to 21291709) that are relatively prime to 21291709.

Interesting facts

Basic properties

Name

Name twenty-one million two hundred ninety-one thousand seven hundred nine

Notation

Scientific notation 2.1291709 × 10^7
Engineering notation 2.1291709 × 10^6

Prime Factorization of 21291709

Prime Factorization 101 × 210809

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 21291709
Product of the distinct prime numbers

The prime factorization of 21291709 is 101 × 210809. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21291709)

Multiplication

n×y
n×2 42583418
n×3 63875127
n×4 85166836
n×5 106458545

Division

n÷y
n÷2 10645854.5
n÷3 7097236.3333333
n÷3 5322927.25
n÷5 4258341.8

Exponentiation

ny
n2 453336872140681
n3 9.6523167605896E+21
n4 2.055143196423E+29
n5 4.3757510891568E+36

Nth Root

y√n
2√n 4614.2939871664
3√n 277.16401291772
4√n 67.928594768083
5√n 29.217436200447

Divisors of 21291709

4 divisors

τ Total Divisors 4
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21291708
Sum of the proper positive divisors of n
A Arithmetic Mean 0.25
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 4
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21291709 can be divided by 4 positive divisors. The sum of these divisors (counting 21291709) is 1, the average is 0.25.

Base conversion 21291709

Base System Value
2 Binary 1010001001110001010111101
3 Ternary 1111001201201211
4 Quaternary 1101032022331
5 Quinary 20422313314
6 Senary 2040204421
8 Octal 121161275
10 Decimal 21291709
12 Duodecimal 7169711
16 Hexadecimal 144e2bd
20 Vigesimal 6d1959
36 Base36 cocsd

Cryptographic Hash Functions

md5 c5ac366855bdabb63040309d02accad5
sha1 bb5a97a6139f9c621dca5f473e7af7496d32a212
sha256 ecc271b0aba11a88192c8dd278780e9d5085632de0599062a943461e0c73df7a
sha512 834f02eeaab23a6705adfa9debdf257f0a77df88565f87cb9093c8b32756b78b578647f71355796688c7c0fd3c8013fef0eeb127721b3f32194159ee61f97485
ripemd-160 da8ed6a3c22649522122e53d4a3fbadcc83c59fe

21291709 as geometric shapes

Circle

Radius = n
Diameter 42583418
Circumference 133779753.15354
Area 1.4241997871185E+15

Sphere

Radius = n
Volume 4.0431529900253E+22
Surface area 5.6967991484742E+15
Circumference 133779753.15354

Square

Length = n
Perimeter 85166836
Area 453336872140681
Diagonal 30111023.633901

Cube

Length = n
Surface area 2720021232844086
Volume 9.6523167605896E+21
Space diagonal 36878321.767972

Equilateral Triangle

Length = n
Perimeter 63875127
Area 1.96300623873E+14
Altitude 18439160.883986

Triangular Pyramid

Length = n
Surface area 1.96300623873E+14
Volume 1.1375364392622E+21
Height 10037007.877967