21095855 is an odd 8-digits composite number following 21095854
and preceding 21095856 . In scientific notation, it is written as 2.1095855 × 10^7.
The sum of its digits is 35. It has a total of 4 prime factors and 16 positive divisors.
There are 15050880 positive integers (up to 21095855) that are relatively prime to 21095855.
21095855 has 16 divisors, whose sum is 28141344
The reverse of 21095855 is 55859012
Previous prime number is 53
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 35
Digital Root 8
Name
twenty-one million ninety-five thousand eight hundred fifty-five
Scientific notation
2.1095855 × 10^7
Engineering notation
2.1095855 × 10^6
Prime Factorization
5 × 11 × 53 × 7237
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
21095855
Product of the distinct prime numbers
The prime factorization of 21095855 is 5 × 11 × 53 × 7237.
Since it has a total of 4 prime factors.
6 , 10 , 97 , 7 , 194 , 63 , 127 , 256 , 44382 , 30337 , 452427 , 431845 , 5581148 , 8511002 , 39406990 , 40626700 , 456667668 , 896058905 , 8355727404 , 5240380610
n×2
42191710
n×3
63287565
n×4
84383420
n×5
105479275
n÷2
10547927.5
n÷3
7031951.6666667
n÷3
5273963.75
n÷5
4219171
n2
445035098181025
n3
9.3883959011377E+21
n4
1.9805623861299E+29
n5
4.1781656916251E+36
2 √n
4593.0224253753
3 √n
276.31155306868
4 √n
67.77184094722
5 √n
29.163485399518
1 , 5 , 11 , 53 , 55 , 265 , 583 , 2915 , 7237 , 36185 , 79607 , 383561 , 398035 , 1917805 , 4219171 , 21095855
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
-21095854
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 21095855 can be divided by 16 positive divisors.
The sum of these divisors (counting 21095855) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1010000011110010110101111
3
Ternary
1110200210001222
4
Quaternary
1100132112233
5
Quinary
20400031410
6
Senary
2032053555
8
Octal
120362657
10
Decimal
21095855
12
Duodecimal
70942bb
16
Hexadecimal
141e5af
20
Vigesimal
6bgjcf
36
Base36
ck5nz
md5
6f9f37b71189cebea5294f72614af895
sha1
8e4ecb9245e266a44a36555ecb5f3d51d19616df
sha256
2effa6979981ed2b6f79a3010d70fa559ab96edc2fb495228c4ed3acf20b753d
sha512
2e53a20033bf5d5d33eae2c7ae207734ab4e19147faba3c16d81f4d464e4acb874d4723b0fcc43f87231b505a897380f580205ac232cfb2c648b2710e5aa12ef
ripemd-160
f76c3e4f5719fdf85ff2a43d415099aeb4395676
Diameter
42191710
Circumference
132549166.17839
Area
1.3981189950351E+15
Volume
3.9326020789342E+22
Surface area
5.5924759801405E+15
Circumference
132549166.17839
Perimeter
84383420
Area
445035098181025
Diagonal
29834044.250856
Surface area
2670210589086150
Volume
9.3883959011377E+21
Space diagonal
36539092.689106
Perimeter
63287565
Area
1.9270585030023E+14
Altitude
18269546.344553
Surface area
1.9270585030023E+14
Volume
1.1064330676931E+21
Height
9944681.4169521