21551709 (number)

21551709 is an odd 8-digits composite number following 21551708 and preceding 21551710. In scientific notation, it is written as 2.1551709 × 10^7. The sum of its digits is 30. It has a total of 4 prime factors and 16 positive divisors. There are 13989888 positive integers (up to 21551709) that are relatively prime to 21551709.

Interesting facts

Basic properties

Name

Name twenty-one million five hundred fifty-one thousand seven hundred nine

Notation

Scientific notation 2.1551709 × 10^7
Engineering notation 2.1551709 × 10^6

Prime Factorization of 21551709

Prime Factorization 3 × 47 × 433 × 353

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 21551709
Product of the distinct prime numbers

The prime factorization of 21551709 is 3 × 47 × 433 × 353. Since it has a total of 4 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21551709)

Multiplication

n×y
n×2 43103418
n×3 64655127
n×4 86206836
n×5 107758545

Division

n÷y
n÷2 10775854.5
n÷3 7183903
n÷3 5387927.25
n÷5 4310341.8

Exponentiation

ny
n2 464476160820681
n3 1.0010255055445E+22
n4 2.1573810397072E+29
n5 4.6495248369887E+36

Nth Root

y√n
2√n 4642.3818240209
3√n 278.28763166906
4√n 68.135026410951
5√n 29.288446916173

Divisors of 21551709

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 -21551708
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 21551709 can be divided by 16 positive divisors. The sum of these divisors (counting 21551709) is 1, the average is 0.0625.

Base conversion 21551709

Base System Value
2 Binary 1010010001101101001011101
3 Ternary 1111112221101110
4 Quaternary 1102031221131
5 Quinary 21004123314
6 Senary 2045532233
8 Octal 122155135
10 Decimal 21551709
12 Duodecimal 7274079
16 Hexadecimal 148da5d
20 Vigesimal 6edj59
36 Base36 ctxel

Cryptographic Hash Functions

md5 3523c930f41c6107deb954cb95c371ff
sha1 2022970eaafc49ced4578398afc021c82cee2235
sha256 6c0948ffe1c5abc02db7d94394e7cb0af5a96049cc4a25bd54bfc7847ce70061
sha512 fe8927b5e65a04bcd246f720c95b9ee9268e7f6d061734edfb17516129deb64b5920478cadd1136c84413999b0deaaf0c7382104ba18273f9394183a6b268227
ripemd-160 9f7d1cd857148796784ca25a4a050802f2e8ef9d

21551709 as geometric shapes

Circle

Radius = n
Diameter 43103418
Circumference 135413381.33341
Area 1.4591948946018E+15

Sphere

Radius = n
Volume 4.1930858323659E+22
Surface area 5.8367795784074E+15
Circumference 135413381.33341

Square

Length = n
Perimeter 86206836
Area 464476160820681
Diagonal 30478719.160118

Cube

Length = n
Surface area 2786856964924086
Volume 1.0010255055445E+22
Space diagonal 37328654.977939

Equilateral Triangle

Length = n
Perimeter 64655127
Area 2.0112407736149E+14
Altitude 18664327.48897

Triangular Pyramid

Length = n
Surface area 2.0112407736149E+14
Volume 1.179719871852E+21
Height 10159573.053373