21690628 is an even 8-digits composite number following 21690627
and preceding 21690629 . In scientific notation, it is written as 2.1690628 × 10^7.
The sum of its digits is 34. It has a total of 5 prime factors and 24 positive divisors.
There are 10207008 positive integers (up to 21690628) that are relatively prime to 21690628.
21690628 has 24 divisors, whose sum is 40219200
The reverse of 21690628 is 82609612
Previous prime number is 167
Is Prime? no
Number parity even
Number length 8
Sum of Digits 34
Digital Root 7
Name
twenty-one million six hundred ninety thousand six hundred twenty-eight
Scientific notation
2.1690628 × 10^7
Engineering notation
2.1690628 × 10^6
Prime Factorization
2 × 2 × 19 × 167 × 1709
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
10845314
Product of the distinct prime numbers
The prime factorization of 21690628 is 2 × 2 × 19 × 167 × 1709.
Since it has a total of 5 prime factors.
2 , 8 , 89 , 88 , 800 , 392 , 1743 , 460 , 64460 , 98825 , 983990 , 152125 , 3701476 , 5842288 , 33482454 , 87192170 , 289438483 , 901077008 , 1429032371 , 3690875811
n×2
43381256
n×3
65071884
n×4
86762512
n×5
108453140
n÷2
10845314
n÷3
7230209.3333333
n÷3
5422657
n÷5
4338125.6
n2
470483343034384
n3
1.0205079173955E+22
n4
2.2135457607281E+29
n5
4.801319765693E+36
2 √n
4657.3198301169
3 √n
278.88428460612
4 √n
68.244558978111
5 √n
29.326107703125
1 , 2 , 4 , 19 , 38 , 76 , 167 , 334 , 668 , 1709 , 3173 , 3418 , 6346 , 6836 , 12692 , 32471 , 64942 , 129884 , 285403 , 570806 , 1141612 , 5422657 , 10845314 , 21690628
24 divisors
τ
Total Divisors
24
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-21690627
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.041666666666667
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
24
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 21690628 can be divided by 24 positive divisors.
The sum of these divisors (counting 21690628) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
1010010101111100100000100
3
Ternary
1111210222221121
4
Quaternary
1102233210010
5
Quinary
21023100003
6
Senary
2052523324
8
Octal
122574404
10
Decimal
21690628
12
Duodecimal
7320544
16
Hexadecimal
14af904
20
Vigesimal
6fb6b8
36
Base36
cwwlg
md5
36175df662da164ea954bc130c06a6c5
sha1
84f67281f3e80252d25a0ba14d9ab27f127dbbbb
sha256
af062b329912e58da09970efefa96ebcca003053261012698f5cfdb5b7e4153d
sha512
802db1c60e060f582a8809490d8b6f5804d151a417ad56ee5178f6177829cae8997717cfe22679d5500ec3cc60ff373a436c13b841937f2f1891f08388c830e0
ripemd-160
cd914fbd2c1e6393a1a6b3273c2c47ce57bd9354
Diameter
43381256
Circumference
136286235.1531
Area
1.4780670141132E+15
Volume
4.2746935682933E+22
Surface area
5.9122680564527E+15
Circumference
136286235.1531
Perimeter
86762512
Area
470483343034384
Diagonal
30675180.29399
Surface area
2822900058206304
Volume
1.0205079173955E+22
Space diagonal
37569269.744076
Perimeter
65071884
Area
2.037252635626E+14
Altitude
18784634.872038
Surface area
2.037252635626E+14
Volume
1.2026801144082E+21
Height
10225060.097997