21095845 is an odd 8-digits composite number following 21095844
and preceding 21095846 . In scientific notation, it is written as 2.1095845 × 10^7.
The sum of its digits is 34. It has a total of 3 prime factors and 8 positive divisors.
There are 16809984 positive integers (up to 21095845) that are relatively prime to 21095845.
21095845 has 8 divisors, whose sum is 25415064
The reverse of 21095845 is 54859012
Previous prime number is 257
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 34
Digital Root 7
Name
twenty-one million ninety-five thousand eight hundred forty-five
Scientific notation
2.1095845 × 10^7
Engineering notation
2.1095845 × 10^6
Prime Factorization
5 × 257 × 16417
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
21095845
Product of the distinct prime numbers
The prime factorization of 21095845 is 5 × 257 × 16417.
Since it has a total of 3 prime factors.
4 , 3 , 9 , 52 , 889 , 971 , 7731 , 8444 , 1377 , 78205 , 928277 , 567607 , 4875190 , 76831 , 8663904 , 90018538 , 205111999 , 682849699 , 9648585774 , 2628879453
n×2
42191690
n×3
63287535
n×4
84383380
n×5
105479225
n÷2
10547922.5
n÷3
7031948.3333333
n÷3
5273961.25
n÷5
4219169
n2
445034676264025
n3
9.3883825500911E+21
n4
1.9805586307743E+29
n5
4.1781557888226E+36
2 √n
4593.0213367673
3 √n
276.31150940898
4 √n
67.771832915802
5 √n
29.163482634663
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
-21095844
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 21095845 can be divided by 8 positive divisors.
The sum of these divisors (counting 21095845) is 1, the average is 0.125.
Base
System
Value
2
Binary
1010000011110010110100101
3
Ternary
1110200210001121
4
Quaternary
1100132112211
5
Quinary
20400031340
6
Senary
2032053541
8
Octal
120362645
10
Decimal
21095845
12
Duodecimal
70942b1
16
Hexadecimal
141e5a5
20
Vigesimal
6bgjc5
36
Base36
ck5np
md5
1141a114dcd29f22329499ed3c1d45e9
sha1
3a9652c1d155098576c87d2d1aab890cf1e57cab
sha256
4062f51d6622c39108ad80bfcd7bc4c1b6e66a2e5df52e0f11285c73d33c6a23
sha512
96cb62275ba4d2a09d8ce28d47984afc3cb0cb1a1ed48f157f1228ee8cf7a07f811a68495b6aa0f8596a702845f1fc9c6c6411ccfd7436a18b167ffe31c1fec3
ripemd-160
081b4e5e61c7cf6078e5c3b34062adbe9256baa8
Diameter
42191690
Circumference
132549103.34654
Area
1.3981176695438E+15
Volume
3.9325964864609E+22
Surface area
5.5924706781751E+15
Circumference
132549103.34654
Perimeter
84383380
Area
445034676264025
Diagonal
29834030.108721
Surface area
2670208057584150
Volume
9.3883825500911E+21
Space diagonal
36539075.368598
Perimeter
63287535
Area
1.9270566760481E+14
Altitude
18269537.684299
Surface area
1.9270566760481E+14
Volume
1.1064314942571E+21
Height
9944676.7029069