21969906 is an even 8-digits composite number following 21969905
and preceding 21969907 . In scientific notation, it is written as 2.1969906 × 10^7.
The sum of its digits is 42. It has a total of 4 prime factors and 16 positive divisors.
There are 6277104 positive integers (up to 21969906) that are relatively prime to 21969906.
21969906 has 16 divisors, whose sum is 50217024
The reverse of 21969906 is 60996912
Previous prime number is 7
Is Prime? no
Number parity even
Number length 8
Sum of Digits 42
Digital Root 6
Name
twenty-one million nine hundred sixty-nine thousand nine hundred six
Scientific notation
2.1969906 × 10^7
Engineering notation
2.1969906 × 10^6
Prime Factorization
2 × 3 × 7 × 523093
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
21969906
Product of the distinct prime numbers
The prime factorization of 21969906 is 2 × 3 × 7 × 523093.
Since it has a total of 4 prime factors.
10 , 9 , 63 , 59 , 117 , 628 , 779 , 6534 , 52037 , 67532 , 254848 , 885909 , 9784853 , 7607999 , 31186759 , 31347102 , 97442525 , 143550604 , 2702295194 , 6320608136
n×2
43939812
n×3
65909718
n×4
87879624
n×5
109849530
n÷2
10984953
n÷3
7323302
n÷3
5492476.5
n÷5
4393981.2
n2
482676769648836
n3
1.0604363257569E+22
n4
2.3297686395864E+29
n5
5.118479801346E+36
2 √n
4687.2066308197
3 √n
280.07611026203
4 √n
68.463177189053
5 √n
29.40123949524
1 , 2 , 3 , 6 , 7 , 14 , 21 , 42 , 523093 , 1046186 , 1569279 , 3138558 , 3661651 , 7323302 , 10984953 , 21969906
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
-21969905
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 21969906 can be divided by 16 positive divisors.
The sum of these divisors (counting 21969906) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1010011110011101111110010
3
Ternary
1112100012001020
4
Quaternary
1103303233302
5
Quinary
21111014111
6
Senary
2102520310
8
Octal
123635762
10
Decimal
21969906
12
Duodecimal
7436096
16
Hexadecimal
14f3bf2
20
Vigesimal
6h64f6
36
Base36
d2w36
md5
14f2924f4949c0e585e7a0b6c0b88001
sha1
7ec11918aab4f382b7e6834a3fb644469026d440
sha256
d4fdd05cc0faf5218ca2c3b6679650eccdbd71cac3e7e288e26d09e8b3d8f998
sha512
6cbbadc7e8f71cda82d436246689ca97cbec4ede94d76cbbbf9b7fca07467b5d98cb614014cb15fdc26f0335c3b7347dcecd05d472624a1f549f69d273ea75b8
ripemd-160
3eeca493d74c3510c9794fb88511fdb3f99519de
Diameter
43939812
Circumference
138040990.57932
Area
1.5163737935872E+15
Volume
4.44194529413E+22
Surface area
6.0654951743489E+15
Circumference
138040990.57932
Perimeter
87879624
Area
482676769648836
Diagonal
31070139.029262
Surface area
2896060617893016
Volume
1.0604363257569E+22
Space diagonal
38052993.429512
Perimeter
65909718
Area
2.0900517216625E+14
Altitude
19026496.714756
Surface area
2.0900517216625E+14
Volume
1.249736194932E+21
Height
10356713.009754