21869969 is an odd 8-digits composite number following 21869968
and preceding 21869970 . In scientific notation, it is written as 2.1869969 × 10^7.
The sum of its digits is 50. It has a total of 4 prime factors and 16 positive divisors.
There are 18717120 positive integers (up to 21869969) that are relatively prime to 21869969.
21869969 has 16 divisors, whose sum is 25272000
The reverse of 21869969 is 96996812
Previous prime number is 389
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 50
Digital Root 5
Name
twenty-one million eight hundred sixty-nine thousand nine hundred sixty-nine
Scientific notation
2.1869969 × 10^7
Engineering notation
2.1869969 × 10^6
Prime Factorization
19 × 11 × 389 × 269
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
21869969
Product of the distinct prime numbers
The prime factorization of 21869969 is 19 × 11 × 389 × 269.
Since it has a total of 4 prime factors.
3 , 7 , 89 , 56 , 469 , 22 , 9763 , 1205 , 38407 , 72049 , 971939 , 147158 , 9798322 , 3118544 , 58414851 , 35265386 , 636799358 , 473142240 , 3682055355 , 8167558155
n×2
43739938
n×3
65609907
n×4
87479876
n×5
109349845
n÷2
10934984.5
n÷3
7289989.6666667
n÷3
5467492.25
n÷5
4373993.8
n2
478295544060961
n3
1.0460308721451E+22
n4
2.2876662746857E+29
n5
5.0031190509722E+36
2 √n
4676.5338660166
3 √n
279.65079340381
4 √n
68.385187475188
5 √n
29.374442543363
1 , 11 , 19 , 209 , 269 , 389 , 2959 , 4279 , 5111 , 7391 , 56221 , 81301 , 104641 , 1151051 , 1988179 , 21869969
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
-21869968
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 21869969 can be divided by 16 positive divisors.
The sum of these divisors (counting 21869969) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1010011011011010110010001
3
Ternary
1112011002221212
4
Quaternary
1103123112101
5
Quinary
21044314334
6
Senary
2100425505
8
Octal
123332621
10
Decimal
21869969
12
Duodecimal
73a8295
16
Hexadecimal
14db591
20
Vigesimal
6gdei9
36
Base36
d0qz5
md5
f3f174cf60eabfea68b41e50895a317f
sha1
7087d5c3c6da6889eab94a76fd373b7701a5644e
sha256
c4b2f249f8e37eef7d5429beeefd0d6be417a8a67dd212c2a6c78fb260d27f7d
sha512
57fb494bff1822c2d8d297e093e147dbd767011663e9184a2adec0140d449572cd42bc22937ffa6a9554bb33fc8d35820d9ec085788d3cb3e44dd38f83c1aad6
ripemd-160
1aacdad58eab64624a73c6f44b5e22b01c0e9047
Diameter
43739938
Circumference
137413067.88927
Area
1.5026097674666E+15
Volume
4.3816038711457E+22
Surface area
6.0104390698666E+15
Circumference
137413067.88927
Perimeter
87479876
Area
478295544060961
Diagonal
30928806.768479
Surface area
2869773264365766
Volume
1.0460308721451E+22
Space diagonal
37879897.467956
Perimeter
65609907
Area
2.0710804583685E+14
Altitude
18939948.733978
Surface area
2.0710804583685E+14
Volume
1.2327592050405E+21
Height
10309602.25616