21695938 is an even 8-digits composite number following 21695937
and preceding 21695939 . In scientific notation, it is written as 2.1695938 × 10^7.
The sum of its digits is 43. It has a total of 4 prime factors and 16 positive divisors.
There are 9820000 positive integers (up to 21695938) that are relatively prime to 21695938.
21695938 has 16 divisors, whose sum is 35652960
The reverse of 21695938 is 83959612
Previous prime number is 251
Is Prime? no
Number parity even
Number length 8
Sum of Digits 43
Digital Root 7
Name
twenty-one million six hundred ninety-five thousand nine hundred thirty-eight
Scientific notation
2.1695938 × 10^7
Engineering notation
2.1695938 × 10^6
Prime Factorization
2 × 11 × 251 × 3929
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
21695938
Product of the distinct prime numbers
The prime factorization of 21695938 is 2 × 11 × 251 × 3929.
Since it has a total of 4 prime factors.
6 , 6 , 56 , 97 , 487 , 514 , 4891 , 9300 , 75358 , 17592 , 932380 , 157676 , 8736400 , 6108567 , 37098135 , 60111679 , 865084957 , 877775271 , 1488042512 , 7072099601
n×2
43391876
n×3
65087814
n×4
86783752
n×5
108479690
n÷2
10847969
n÷3
7231979.3333333
n÷3
5423984.5
n÷5
4339187.6
n2
470713725699844
n3
1.0212575808533E+22
n4
2.2157141156223E+29
n5
4.8071996078266E+36
2 √n
4657.8898655936
3 √n
278.90704028237
4 √n
68.248735267356
5 √n
29.327543405083
1 , 2 , 11 , 22 , 251 , 502 , 2761 , 3929 , 5522 , 7858 , 43219 , 86438 , 986179 , 1972358 , 10847969 , 21695938
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
-21695937
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 21695938 can be divided by 16 positive divisors.
The sum of these divisors (counting 21695938) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1010010110000110111000010
3
Ternary
1111211021020021
4
Quaternary
1102300313002
5
Quinary
21023232223
6
Senary
2053004054
8
Octal
122606702
10
Decimal
21695938
12
Duodecimal
732362a
16
Hexadecimal
14b0dc2
20
Vigesimal
6fbjgi
36
Base36
cx0oy
md5
76f2e2d694ffbbcf6953101d36d9189c
sha1
22019c1559d348891bbaf559ccce5e94944803de
sha256
5bd4f1d1651f8e09952106e3b21259ade81a50bca2d13817e7054a268dcb1467
sha512
d70a7458208655bbb7c5683c8fe24905cc2dd08e81452ccca2a12f4a03a9f891c9cd43f8982282ece41d47f8347a465ec9765c03315c2e8c0c48050751b1e105
ripemd-160
42ee5b66a11473b326293d6c011653da15adeb43
Diameter
43391876
Circumference
136319598.86708
Area
1.4787907826025E+15
Volume
4.2778337512421E+22
Surface area
5.91516313041E+15
Circumference
136319598.86708
Perimeter
86783752
Area
470713725699844
Diagonal
30682689.768006
Surface area
2824282354199064
Volume
1.0212575808533E+22
Space diagonal
37578466.933864
Perimeter
65087814
Area
2.0382502218304E+14
Altitude
18789233.466932
Surface area
2.0382502218304E+14
Volume
1.2035636012659E+21
Height
10227563.256002