21691822 is an even 8-digits composite number following 21691821
and preceding 21691823 . In scientific notation, it is written as 2.1691822 × 10^7.
The sum of its digits is 31. It has a total of 3 prime factors and 8 positive divisors.
There are 10662024 positive integers (up to 21691822) that are relatively prime to 21691822.
21691822 has 8 divisors, whose sum is 33089400
The reverse of 21691822 is 22819612
Previous prime number is 59
Is Prime? no
Number parity even
Number length 8
Sum of Digits 31
Digital Root 4
Name
twenty-one million six hundred ninety-one thousand eight hundred twenty-two
Scientific notation
2.1691822 × 10^7
Engineering notation
2.1691822 × 10^6
Prime Factorization
2 × 59 × 183829
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
21691822
Product of the distinct prime numbers
The prime factorization of 21691822 is 2 × 59 × 183829.
Since it has a total of 3 prime factors.
10 , 5 , 60 , 36 , 256 , 584 , 5915 , 4589 , 74667 , 48267 , 725530 , 278023 , 2750534 , 860416 , 84610202 , 25624944 , 290304914 , 67504966 , 794588899 , 9800134168
n×2
43383644
n×3
65075466
n×4
86767288
n×5
108459110
n÷2
10845911
n÷3
7230607.3333333
n÷3
5422955.5
n÷5
4338364.4
n2
470535141679684
n3
1.020676453806E+22
n4
2.2140331955552E+29
n5
4.8026413980075E+36
2 √n
4657.4480136659
3 √n
278.88940174283
4 √n
68.245498120139
5 √n
29.326430557785
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
-21691821
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 21691822 can be divided by 8 positive divisors.
The sum of these divisors (counting 21691822) is 1, the average is 0.125.
Base
System
Value
2
Binary
1010010101111110110101110
3
Ternary
1111211001120211
4
Quaternary
1102233312232
5
Quinary
21023114242
6
Senary
2052533034
8
Octal
122576656
10
Decimal
21691822
12
Duodecimal
732117a
16
Hexadecimal
14afdae
20
Vigesimal
6fb9b2
36
Base36
cwxim
md5
36328811c5c196371de44c9f6dcc9259
sha1
e40acdb33cfbff1a7df9e7b38c7a255c03d7b161
sha256
cbfacc39932801baf243eafa8b6bdc3defcf96936ff32a1b74b9fe1e075019a4
sha512
3ca1f8134c692f7d1070a2dce2ac418df9344948a488df85ce5f487c66b971861566efc96001b62664cfdf4ff2981e69a98c21cf3e9c773c8be7f876f9ef796c
ripemd-160
04efc0e52c3030832ce294d5c543469c0ddd03fb
Diameter
43383644
Circumference
136293737.27635
Area
1.4782297443567E+15
Volume
4.2753995319589E+22
Surface area
5.9129189774269E+15
Circumference
136293737.27635
Perimeter
86767288
Area
470535141679684
Diagonal
30676868.864983
Surface area
2823210850078104
Volume
1.020676453806E+22
Space diagonal
37571337.81274
Perimeter
65075466
Area
2.0374769303396E+14
Altitude
18785668.90637
Surface area
2.0374769303396E+14
Volume
1.2028787364728E+21
Height
10225622.954994