21105860 is an even 8-digits composite number following 21105859
and preceding 21105861 . In scientific notation, it is written as 2.1105860 × 10^7.
The sum of its digits is 23. It has a total of 5 prime factors and 24 positive divisors.
There are 8413184 positive integers (up to 21105860) that are relatively prime to 21105860.
21105860 has 24 divisors, whose sum is 44475480
The reverse of 21105860 is 06850112
Previous prime number is 317
Is Prime? no
Number parity even
Number length 8
Sum of Digits 23
Digital Root 5
Name
twenty-one million one hundred five thousand eight hundred sixty
Scientific notation
2.1105860 × 10^7
Engineering notation
2.1105860 × 10^6
Prime Factorization
2 × 2 × 5 × 317 × 3329
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
10552930
Product of the distinct prime numbers
The prime factorization of 21105860 is 2 × 2 × 5 × 317 × 3329.
Since it has a total of 5 prime factors.
3 , 4 , 49 , 56 , 244 , 430 , 4279 , 7227 , 48162 , 45244 , 497930 , 507937 , 6892350 , 6896816 , 24514746 , 31167353 , 161290279 , 869300675 , 3178765746 , 463983627
n×2
42211720
n×3
63317580
n×4
84423440
n×5
105529300
n÷2
10552930
n÷3
7035286.6666667
n÷3
5276465
n÷5
4221172
n2
445457326339600
n3
9.4017599656979E+21
n4
1.9843222958962E+29
n5
4.1880828572065E+36
2 √n
4594.1114483652
3 √n
276.3552276858
4 √n
67.779874950941
5 √n
29.16625111188
1 , 2 , 4 , 5 , 10 , 20 , 317 , 634 , 1268 , 1585 , 3170 , 3329 , 6340 , 6658 , 13316 , 16645 , 33290 , 66580 , 1055293 , 2110586 , 4221172 , 5276465 , 10552930 , 21105860
24 divisors
τ
Total Divisors
24
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-21105859
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.041666666666667
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
24
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 21105860 can be divided by 24 positive divisors.
The sum of these divisors (counting 21105860) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
1010000100000110011000100
3
Ternary
1110201021210112
4
Quaternary
1100200303010
5
Quinary
20400341420
6
Senary
2032212152
8
Octal
120406304
10
Decimal
21105860
12
Duodecimal
709a058
16
Hexadecimal
1420cc4
20
Vigesimal
6bi4d0
36
Base36
ckddw
md5
113b5461dee1c3383d342cb4880a3695
sha1
f56bc59dc489627cbb07fc3ccdce23a574327fa2
sha256
bf90c372793e990e94abcf39c3631994cc141ac1e49bbc2c798a776ea294b8d6
sha512
d85627fc290d7c725454138f7dac47c78cd409e053b16f0d978a615c6f0c57017ac42c2b4d320c98b88b36d6d3ee4b38ef2f34586df6755d538c80f0b37c8942
ripemd-160
f5736e16fcba6ed0d694aa12628421978938b68b
Diameter
42211720
Circumference
132612029.44739
Area
1.3994454639162E+15
Volume
3.9382000052068E+22
Surface area
5.597781855665E+15
Circumference
132612029.44739
Perimeter
84423440
Area
445457326339600
Diagonal
29848193.457548
Surface area
2672743958037600
Volume
9.4017599656979E+21
Space diagonal
36556421.857436
Perimeter
63317580
Area
1.9288868045599E+14
Altitude
18278210.928718
Surface area
1.9288868045599E+14
Volume
1.1080080378055E+21
Height
9949397.8191826