21691816 (number)

21691816 is an even 8-digits composite number following 21691815 and preceding 21691817. In scientific notation, it is written as 2.1691816 × 10^7. The sum of its digits is 34. It has a total of 6 prime factors and 32 positive divisors. There are 10267200 positive integers (up to 21691816) that are relatively prime to 21691816.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.1691816 × 10^7
Engineering notation 2.1691816 × 10^6

Prime Factorization of 21691816

Prime Factorization 2 × 2 × 2 × 31 × 47 × 1861

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 6
Total number of prime factors
rad Radical 5422954
Product of the distinct prime numbers

The prime factorization of 21691816 is 2 × 2 × 2 × 31 × 47 × 1861. Since it has a total of 6 prime factors.

Most popular turbo-numbers

8, 5, 63, 84, 844, 740, 6224, 6650, 15833, 98414, 175853, 641514, 4617713, 6066045, 38201246, 21065465, 973391951, 924277472, 8793539833, 4485364179

Basic calculations (n = 21691816)

Multiplication

n×y
n×2 43383632
n×3 65075448
n×4 86767264
n×5 108459080

Division

n÷y
n÷2 10845908
n÷3 7230605.3333333
n÷3 5422954
n÷5 4338363.2

Exponentiation

ny
n2 470534881377856
n3 1.020675606843E+22
n4 2.2140307459327E+29
n5 4.8026347559116E+36

Nth Root

y√n
2√n 4657.4473695362
3√n 278.88937602904
4√n 68.245493400929
5√n 29.326428935435

Divisors of 21691816

1, 2, 4, 8, 31, 47, 62, 94, 124, 188, 248, 376, 1457, 1861, 2914, 3722, 5828, 7444, 11656, 14888, 57691, 87467, 115382, 174934, 230764, 349868, 461528, 699736, 2711477, 5422954, 10845908, 21691816

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 -21691815
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 21691816 can be divided by 32 positive divisors. The sum of these divisors (counting 21691816) is 1, the average is 0.03125.

Base conversion 21691816

Base System Value
2 Binary 1010010101111110110101000
3 Ternary 1111211001120121
4 Quaternary 1102233312220
5 Quinary 21023114231
6 Senary 2052533024
8 Octal 122576650
10 Decimal 21691816
12 Duodecimal 7321174
16 Hexadecimal 14afda8
20 Vigesimal 6fb9ag
36 Base36 cwxig

Cryptographic Hash Functions

md5 5af598109d2cb70ac28330955c695550
sha1 7a5080989d53bcb824a03e211578373a78703686
sha256 d8468ee19580d4a2d47dcb57031755015608d19a61a9329319abc866deb17fe3
sha512 df3549e64b60c780c13a9d5e952f573c0727102e1e3e023885be719cb556e7d29b25eaa798842d233ce7eeb6cf38367f772b6dd5c50ab27aad482505c578cf9f
ripemd-160 a95b8c9889a1063bb5857975ba2bd27c736df558

21691816 as geometric shapes

Circle

Radius = n
Diameter 43383632
Circumference 136293699.57724
Area 1.4782289265944E+15

Sphere

Radius = n
Volume 4.2753959842085E+22
Surface area 5.9129157063777E+15
Circumference 136293699.57724

Square

Length = n
Perimeter 86767264
Area 470534881377856
Diagonal 30676860.379702

Cube

Length = n
Surface area 2823209288267136
Volume 1.020675606843E+22
Space diagonal 37571327.420435

Equilateral Triangle

Length = n
Perimeter 65075448
Area 2.0374758031996E+14
Altitude 18785663.710218

Triangular Pyramid

Length = n
Surface area 2.0374758031996E+14
Volume 1.2028777383173E+21
Height 10225620.126567