21102975 is an odd 8-digits composite number following 21102974
and preceding 21102976 . In scientific notation, it is written as 2.1102975 × 10^7.
The sum of its digits is 27. It has a total of 4 prime factors and 16 positive divisors.
There are 11088000 positive integers (up to 21102975) that are relatively prime to 21102975.
21102975 has 16 divisors, whose sum is 24747840
The reverse of 21102975 is 57920112
Previous prime number is 71
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 27
Digital Root 9
Name
twenty-one million one hundred two thousand nine hundred seventy-five
Scientific notation
2.1102975 × 10^7
Engineering notation
2.1102975 × 10^6
Prime Factorization
9 × 25 × 71 × 1321
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
21102975
Product of the distinct prime numbers
The prime factorization of 21102975 is 9 × 25 × 71 × 1321.
Since it has a total of 4 prime factors.
6 , 9 , 82 , 44 , 566 , 907 , 2864 , 377 , 23540 , 81311 , 649846 , 334679 , 8350231 , 1855216 , 21939889 , 67126794 , 573502373 , 556985151 , 6670822968 , 5052365888
n×2
42205950
n×3
63308925
n×4
84411900
n×5
105514875
n÷2
10551487.5
n÷3
7034325
n÷3
5275743.75
n÷5
4220595
n2
445335553850625
n3
9.3979050595209E+21
n4
1.9832375552344E+29
n5
4.1852212547173E+36
2 √n
4593.7974487345
3 √n
276.34263527209
4 √n
67.777558592314
5 √n
29.165453710252
1 , 9 , 25 , 71 , 225 , 639 , 1321 , 1775 , 11889 , 15975 , 33025 , 93791 , 297225 , 844119 , 2344775 , 21102975
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
-21102974
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 21102975 can be divided by 16 positive divisors.
The sum of these divisors (counting 21102975) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1010000100000000101111111
3
Ternary
1110201010211200
4
Quaternary
1100200011333
5
Quinary
20400243400
6
Senary
2032150543
8
Octal
120400577
10
Decimal
21102975
12
Duodecimal
7098453
16
Hexadecimal
142017f
20
Vigesimal
6bhh8f
36
Base36
ckb5r
md5
fe92ccb1cf9c44b049528bc62226b210
sha1
4c5bf4c98e59bac9e9163705fa967c034fd86dbe
sha256
6503009f9d58a072df40802422e7e282f07fb97cd0ced922fe9ec647c87548cf
sha512
966288edf89fbd440ba683613e1c17132c06835a702410a1d14bafc7f19026b3e8e52d6e0a0ab8d0054ad830e79c8ef48e17cdd7e384c60f0225e6130597cf97
ripemd-160
ebf4f7e1f4d58895d764f47db91a9e7e197f5a08
Diameter
42205950
Circumference
132593902.45778
Area
1.3990629043595E+15
Volume
3.9365852658834E+22
Surface area
5.5962516174379E+15
Circumference
132593902.45778
Perimeter
84411900
Area
445335553850625
Diagonal
29844113.45142
Surface area
2672013323103750
Volume
9.3979050595209E+21
Space diagonal
36551424.890856
Perimeter
63308925
Area
1.9283595142153E+14
Altitude
18275712.445428
Surface area
1.9283595142153E+14
Volume
1.1075537327558E+21
Height
9948037.8171401