21559906 is an even 8-digits composite number following 21559905
and preceding 21559907 . In scientific notation, it is written as 2.1559906 × 10^7.
The sum of its digits is 37. It has a total of 2 prime factors and 4 positive divisors.
There are 10779952 positive integers (up to 21559906) that are relatively prime to 21559906.
21559906 has 4 divisors, whose sum is 32339862
The reverse of 21559906 is 60995512
Previous prime number is 2
Is Prime? no
Number parity even
Number length 8
Sum of Digits 37
Digital Root 1
Name
twenty-one million five hundred fifty-nine thousand nine hundred six
Scientific notation
2.1559906 × 10^7
Engineering notation
2.1559906 × 10^6
Prime Factorization
2 × 10779953
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
21559906
Product of the distinct prime numbers
The prime factorization of 21559906 is 2 × 10779953.
Since it has a total of 2 prime factors.
5 , 1 , 20 , 24 , 832 , 849 , 4866 , 9623 , 35579 , 23785 , 269943 , 795142 , 3282630 , 4740381 , 52549516 , 33529178 , 693882467 , 798110185 , 732412288 , 3136084650
n×2
43119812
n×3
64679718
n×4
86239624
n×5
107799530
n÷2
10779953
n÷3
7186635.3333333
n÷3
5389976.5
n÷5
4311981.2
n2
464829546728836
n3
1.0021681333496E+22
n4
2.1606650751214E+29
n5
4.6583735917099E+36
2 √n
4643.26458432
3 √n
278.32290860195
4 √n
68.141504124285
5 √n
29.290674497134
4 divisors
τ
Total Divisors
4
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-21559905
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.25
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
4
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 21559906 can be divided by 4 positive divisors.
The sum of these divisors (counting 21559906) is 1, the average is 0.25.
Base
System
Value
2
Binary
1010010001111101001100010
3
Ternary
1111120100122001
4
Quaternary
1102033221202
5
Quinary
21004404111
6
Senary
2050034214
8
Octal
122175142
10
Decimal
21559906
12
Duodecimal
727896a
16
Hexadecimal
148fa62
20
Vigesimal
6eejf6
36
Base36
cu3qa
md5
75f0d2851427c47c333ea58ebbc350c7
sha1
c67461c2874ea2a6e56b8f315dcee7508288cf1d
sha256
b64936782e316077692eae86aa299d3dda39f15c9f23cdba2c375d73c701ab4c
sha512
a2c4cd1bbad20c48fa3a705b46da21db313fb26790dfb55847cb23d2bb6555ddea2df50a65cff97960baeaa5205471047c8388e5ffb339d21191f47e0e8f9f81
ripemd-160
6c1837a39617ea92448c095fc820f1e4e4d5c9c6
Diameter
43119812
Circumference
135464884.60337
Area
1.4603050891748E+15
Volume
4.197872060524E+22
Surface area
5.8412203566991E+15
Circumference
135464884.60337
Perimeter
86239624
Area
464829546728836
Diagonal
30490311.468689
Surface area
2788977280373016
Volume
1.0021681333496E+22
Space diagonal
37342852.598409
Perimeter
64679718
Area
2.0127709794839E+14
Altitude
18671426.299205
Surface area
2.0127709794839E+14
Volume
1.1810664716343E+21
Height
10163437.15623