21690858 (number)

21690858 is an even 8-digits composite number following 21690857 and preceding 21690859. In scientific notation, it is written as 2.1690858 × 10^7. The sum of its digits is 39. It has a total of 3 prime factors and 8 positive divisors. There are 6197376 positive integers (up to 21690858) that are relatively prime to 21690858.

Interesting facts

Basic properties

Name

Name twenty-one million six hundred ninety thousand eight hundred fifty-eight

Notation

Scientific notation 2.1690858 × 10^7
Engineering notation 2.1690858 × 10^6

Prime Factorization of 21690858

Prime Factorization 2 × 21 × 516449

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 21690858
Product of the distinct prime numbers

The prime factorization of 21690858 is 2 × 21 × 516449. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21690858)

Multiplication

n×y
n×2 43381716
n×3 65072574
n×4 86763432
n×5 108454290

Division

n÷y
n÷2 10845429
n÷3 7230286
n÷3 5422714.5
n÷5 4338171.6

Exponentiation

ny
n2 470493320776164
n3 1.0205403810904E+22
n4 2.2136396489498E+29
n5 4.801574328854E+36

Nth Root

y√n
2√n 4657.3445223646
3√n 278.88527033383
4√n 68.244739887882
5√n 29.326169895664

Divisors of 21690858

8 divisors

τ Total Divisors 8
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21690857
Sum of the proper positive divisors of n
A Arithmetic Mean 0.125
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 8
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21690858 can be divided by 8 positive divisors. The sum of these divisors (counting 21690858) is 1, the average is 0.125.

Base conversion 21690858

Base System Value
2 Binary 1010010101111100111101010
3 Ternary 1111211000021010
4 Quaternary 1102233213222
5 Quinary 21023101413
6 Senary 2052524350
8 Octal 122574752
10 Decimal 21690858
12 Duodecimal 73206b6
16 Hexadecimal 14af9ea
20 Vigesimal 6fb72i
36 Base36 cwwru

Cryptographic Hash Functions

md5 b0aaf369071e30f8e35463f04272c708
sha1 739571cf5c65e27a4b3535c5cd260daca863a3c8
sha256 883293343b4a5f05307f3a53d637b1e8a562ecb593130b1338c5e0a332e5379b
sha512 c207e9bd7b348fedb8480ea215437941c4c03dc9e2c521df5ba14cca619930ed3391ea96050173d18b01b94907147cc24e3c8825e14a768b3a8cdd9cab88b95f
ripemd-160 272b83612ef0e9d945ac9c4000a800ec5ee08e38

21690858 as geometric shapes

Circle

Radius = n
Diameter 43381716
Circumference 136287680.28572
Area 1.4780983601135E+15

Sphere

Radius = n
Volume 4.2748295519005E+22
Surface area 5.9123934404539E+15
Circumference 136287680.28572

Square

Length = n
Perimeter 86763432
Area 470493320776164
Diagonal 30675505.563109

Cube

Length = n
Surface area 2822959924656984
Volume 1.0205403810904E+22
Space diagonal 37569668.115762

Equilateral Triangle

Length = n
Perimeter 65072574
Area 2.0372958405153E+14
Altitude 18784834.057881

Triangular Pyramid

Length = n
Surface area 2.0372958405153E+14
Volume 1.2027183732396E+21
Height 10225168.521036