21105882 is an even 8-digits composite number following 21105881
and preceding 21105883 . In scientific notation, it is written as 2.1105882 × 10^7.
The sum of its digits is 27. It has a total of 5 prime factors and 32 positive divisors.
There are 5991840 positive integers (up to 21105882) that are relatively prime to 21105882.
21105882 has 32 divisors, whose sum is 40458240
The reverse of 21105882 is 28850112
Previous prime number is 191
Is Prime? no
Number parity even
Number length 8
Sum of Digits 27
Digital Root 9
Name
twenty-one million one hundred five thousand eight hundred eighty-two
Scientific notation
2.1105882 × 10^7
Engineering notation
2.1105882 × 10^6
Prime Factorization
2 × 9 × 7 × 191 × 877
Composite number
ω
Distinct Factors
5
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
21105882
Product of the distinct prime numbers
The prime factorization of 21105882 is 2 × 9 × 7 × 191 × 877.
Since it has a total of 5 prime factors.
7 , 1 , 76 , 42 , 681 , 324 , 4284 , 1843 , 1863 , 68215 , 628737 , 490253 , 2164191 , 7228356 , 11038733 , 63437518 , 29953819 , 481402685 , 5452168504 , 5251419624
n×2
42211764
n×3
63317646
n×4
84423528
n×5
105529410
n÷2
10552941
n÷3
7035294
n÷3
5276470.5
n÷5
4221176.4
n2
445458254997924
n3
9.4017893659121E+21
n4
1.984330569458E+29
n5
4.1881046847972E+36
2 √n
4594.113842734
3 √n
276.35532370673
4 √n
67.779892613768
5 √n
29.16625719225
1 , 2 , 7 , 9 , 14 , 18 , 63 , 126 , 191 , 382 , 877 , 1337 , 1719 , 1754 , 2674 , 3438 , 6139 , 7893 , 12033 , 12278 , 15786 , 24066 , 55251 , 110502 , 167507 , 335014 , 1172549 , 1507563 , 2345098 , 3015126 , 10552941 , 21105882
32 divisors
τ
Total Divisors
32
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-21105881
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.03125
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
32
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 21105882 can be divided by 32 positive divisors.
The sum of these divisors (counting 21105882) is 1, the average is 0.03125.
Base
System
Value
2
Binary
1010000100000110011011010
3
Ternary
1110201021211100
4
Quaternary
1100200303122
5
Quinary
20400342012
6
Senary
2032212230
8
Octal
120406332
10
Decimal
21105882
12
Duodecimal
709a076
16
Hexadecimal
1420cda
20
Vigesimal
6bi4e2
36
Base36
ckdei
md5
3cb27edd992dab05c3ab28f311fc4a3b
sha1
58bbbef2421524d139c3365fb11973a79ec6b33f
sha256
f8ad4bc46258e3a663e74c12e350b5555353a614aacb478e977f4371c1285f31
sha512
8d6b7c342807b6d735ce460f309157b3664dd520e8a98c943e242934e52559b8f6a82206c4e1dc0142c74131ce6da5a11beecfff62ddfeafa70282feea5637ea
ripemd-160
a5c03861bd4a5c6469708b03d6d208294105d6a2
Diameter
42211764
Circumference
132612167.67747
Area
1.3994483813824E+15
Volume
3.9382123203397E+22
Surface area
5.5977935255296E+15
Circumference
132612167.67747
Perimeter
84423528
Area
445458254997924
Diagonal
29848224.570246
Surface area
2672749529987544
Volume
9.4017893659121E+21
Space diagonal
36556459.962553
Perimeter
63317646
Area
1.9288908257684E+14
Altitude
18278229.981277
Surface area
1.9288908257684E+14
Volume
1.108011502654E+21
Height
9949408.1900821