21694881 (number)

21694881 is an odd 8-digits composite number following 21694880 and preceding 21694882. In scientific notation, it is written as 2.1694881 × 10^7. The sum of its digits is 39. It has a total of 3 prime factors and 8 positive divisors. There are 13350672 positive integers (up to 21694881) that are relatively prime to 21694881.

Interesting facts

Basic properties

Name

Name twenty-one million six hundred ninety-four thousand eight hundred eighty-one

Notation

Scientific notation 2.1694881 × 10^7
Engineering notation 2.1694881 × 10^6

Prime Factorization of 21694881

Prime Factorization 3 × 13 × 556279

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 21694881
Product of the distinct prime numbers

The prime factorization of 21694881 is 3 × 13 × 556279. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21694881)

Multiplication

n×y
n×2 43389762
n×3 65084643
n×4 86779524
n×5 108474405

Division

n÷y
n÷2 10847440.5
n÷3 7231627
n÷3 5423720.25
n÷5 4338976.2

Exponentiation

ny
n2 470667861604161
n3 1.0211083248027E+22
n4 2.2152823594703E+29
n5 4.8060287170108E+36

Nth Root

y√n
2√n 4657.7764008162
3√n 278.90251087032
4√n 68.247904003099
5√n 29.327257638987

Divisors of 21694881

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 -21694880
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 21694881 can be divided by 8 positive divisors. The sum of these divisors (counting 21694881) is 1, the average is 0.125.

Base conversion 21694881

Base System Value
2 Binary 1010010110000100110100001
3 Ternary 1111211012210010
4 Quaternary 1102300212201
5 Quinary 21023214011
6 Senary 2052555133
8 Octal 122604641
10 Decimal 21694881
12 Duodecimal 7322aa9
16 Hexadecimal 14b09a1
20 Vigesimal 6fbh41
36 Base36 cwzvl

Cryptographic Hash Functions

md5 6480918dce5eea9b9fa8021eb7a0daed
sha1 0c4f7f33c2274e935bc156ec77aa374e212c3521
sha256 e4ae9f8ab7f16cb8671afb6eb585f08a5b2ba246490f85362e9394b5b8bc4a6d
sha512 505d94a0c6a6a089dade0d52024e92be0b05872e092793d43c5081cab3f59e9102b092e4efe7c4172841288df80d300c09697fcd408e11342d4f4ccc1ba9fa10
ripemd-160 6a1d4b94216f7509ca7c00c0542ad6e8e99dcf59

21694881 as geometric shapes

Circle

Radius = n
Diameter 43389762
Circumference 136312957.54021
Area 1.4786466962964E+15

Sphere

Radius = n
Volume 4.2772085489593E+22
Surface area 5.9145867851858E+15
Circumference 136312957.54021

Square

Length = n
Perimeter 86779524
Area 470667861604161
Diagonal 30681194.94427

Cube

Length = n
Surface area 2824007169624966
Volume 1.0211083248027E+22
Space diagonal 37576636.156161

Equilateral Triangle

Length = n
Perimeter 65084643
Area 2.0380516244705E+14
Altitude 18788318.07808

Triangular Pyramid

Length = n
Surface area 2.0380516244705E+14
Volume 1.2033877013233E+21
Height 10227064.981423