21690712 is an even 8-digits composite number following 21690711
and preceding 21690713 . In scientific notation, it is written as 2.1690712 × 10^7.
The sum of its digits is 28. It has a total of 4 prime factors and 8 positive divisors.
There are 10845352 positive integers (up to 21690712) that are relatively prime to 21690712.
21690712 has 8 divisors, whose sum is 40670100
The reverse of 21690712 is 21709612
Previous prime number is 2
Is Prime? no
Number parity even
Number length 8
Sum of Digits 28
Digital Root 1
Name
twenty-one million six hundred ninety thousand seven hundred twelve
Scientific notation
2.1690712 × 10^7
Engineering notation
2.1690712 × 10^6
Prime Factorization
2 × 2 × 2 × 2711339
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
5422678
Product of the distinct prime numbers
The prime factorization of 21690712 is 2 × 2 × 2 × 2711339.
Since it has a total of 4 prime factors.
1 , 4 , 85 , 36 , 952 , 281 , 8059 , 3495 , 98523 , 42864 , 280595 , 56651 , 5538955 , 8463412 , 62418612 , 57602428 , 812748499 , 860812576 , 1366773437 , 4709437940
n×2
43381424
n×3
65072136
n×4
86762848
n×5
108453560
n÷2
10845356
n÷3
7230237.3333333
n÷3
5422678
n÷5
4338142.4
n2
470486987066944
n3
1.0205197736217E+22
n4
2.2135800499933E+29
n5
4.801412735335E+36
2 √n
4657.3288481704
3 √n
278.88464461183
4 √n
68.244625049672
5 √n
29.326130416983
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
-21690711
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 21690712 can be divided by 8 positive divisors.
The sum of these divisors (counting 21690712) is 1, the average is 0.125.
Base
System
Value
2
Binary
1010010101111100101011000
3
Ternary
1111211000001201
4
Quaternary
1102233211120
5
Quinary
21023100322
6
Senary
2052523544
8
Octal
122574530
10
Decimal
21690712
12
Duodecimal
73205b4
16
Hexadecimal
14af958
20
Vigesimal
6fb6fc
36
Base36
cwwns
md5
df81748aa85f3159b4944c7bc25e6402
sha1
c4fb67e197984b8b708b2754f3bc729e00618bfb
sha256
7604662058ed0ec3a309c7068140e7993eccfa7453a0b6064735282d38d0944e
sha512
2756732abfa323e9a2ddb011003daa82d7b861ca83dfcca2995bfb08cc63ae902324c9be585fe79ff8d39d46378ed6699386ba7603045195e008d40463060667
ripemd-160
10a9bbe757ef16bc17e9d1c0f7288f3ea1fcbe51
Diameter
43381424
Circumference
136286762.94066
Area
1.4780784621791E+15
Volume
4.2747432315373E+22
Surface area
5.9123138487164E+15
Circumference
136286762.94066
Perimeter
86762848
Area
470486987066944
Diagonal
30675299.087929
Surface area
2822921922401664
Volume
1.0205197736217E+22
Space diagonal
37569415.236344
Perimeter
65072136
Area
2.0372684147499E+14
Altitude
18784707.618172
Surface area
2.0372684147499E+14
Volume
1.2026940871048E+21
Height
10225099.695976