21690790 is an even 8-digits composite number following 21690789
and preceding 21690791 . In scientific notation, it is written as 2.1690790 × 10^7.
The sum of its digits is 34. It has a total of 5 prime factors and 32 positive divisors.
There are 7848960 positive integers (up to 21690790) that are relatively prime to 21690790.
21690790 has 32 divisors, whose sum is 42801696
The reverse of 21690790 is 09709612
Previous prime number is 673
Is Prime? no
Number parity even
Number length 8
Sum of Digits 34
Digital Root 7
Name
twenty-one million six hundred ninety thousand seven hundred ninety
Scientific notation
2.1690790 × 10^7
Engineering notation
2.1690790 × 10^6
Prime Factorization
2 × 5 × 11 × 673 × 293
Composite number
ω
Distinct Factors
5
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
21690790
Product of the distinct prime numbers
The prime factorization of 21690790 is 2 × 5 × 11 × 673 × 293.
Since it has a total of 5 prime factors.
2 , 6 , 39 , 13 , 808 , 868 , 2377 , 3151 , 30240 , 77045 , 427709 , 265197 , 8758048 , 5870172 , 97940267 , 68103229 , 124751819 , 595748224 , 2825067827 , 193394866
n×2
43381580
n×3
65072370
n×4
86763160
n×5
108453950
n÷2
10845395
n÷3
7230263.3333333
n÷3
5422697.5
n÷5
4338158
n2
470490370824100
n3
1.0205307830568E+22
n4
2.213611890382E+29
n5
4.8014990655779E+36
2 √n
4657.3372220616
3 √n
278.88497890201
4 √n
68.244686401665
5 √n
29.32615150836
1 , 2 , 5 , 10 , 11 , 22 , 55 , 110 , 293 , 586 , 673 , 1346 , 1465 , 2930 , 3223 , 3365 , 6446 , 6730 , 7403 , 14806 , 16115 , 32230 , 37015 , 74030 , 197189 , 394378 , 985945 , 1971890 , 2169079 , 4338158 , 10845395 , 21690790
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
-21690789
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 21690790 can be divided by 32 positive divisors.
The sum of these divisors (counting 21690790) is 1, the average is 0.03125.
Base
System
Value
2
Binary
1010010101111100110100110
3
Ternary
1111211000011121
4
Quaternary
1102233212212
5
Quinary
21023101130
6
Senary
2052524154
8
Octal
122574646
10
Decimal
21690790
12
Duodecimal
732065a
16
Hexadecimal
14af9a6
20
Vigesimal
6fb6ja
36
Base36
cwwpy
md5
16fd84cb941e4d5909b5dd0103379c37
sha1
ed318b3a4ed0a1984c22f2f0b9eee244ca0f1817
sha256
17186efb3d54bb8a9678f5f32bb3c6cfd4321113ae9e544db8e9b30f0a17606d
sha512
8b0eed528618f65d114d29241cd775454ac43f1afbe1230cb2cb77cace62ca6b708d6b12199b3f8a69a83c72b1311a16ab321be97d56287e5ff8704156333208
ripemd-160
fd5f20b7c24b23ae0f06468a2052ea464bb0a5dd
Diameter
43381580
Circumference
136287253.02912
Area
1.4780890925657E+15
Volume
4.2747893477512E+22
Surface area
5.9123563702629E+15
Circumference
136287253.02912
Perimeter
86763160
Area
470490370824100
Diagonal
30675409.396587
Surface area
2822942224944600
Volume
1.0205307830568E+22
Space diagonal
37569550.336307
Perimeter
65072370
Area
2.0372830668482E+14
Altitude
18784775.168153
Surface area
2.0372830668482E+14
Volume
1.2027070618484E+21
Height
10225136.465529