21099109 is an odd 8-digits composite number following 21099108
and preceding 21099110 . In scientific notation, it is written as 2.1099109 × 10^7.
The sum of its digits is 31. It has a total of 2 prime factors and 4 positive divisors.
There are 21085516 positive integers (up to 21099109) that are relatively prime to 21099109.
21099109 has 4 divisors, whose sum is 21112704
The reverse of 21099109 is 90199012
Previous prime number is 1787
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 31
Digital Root 4
Name
twenty-one million ninety-nine thousand one hundred nine
Scientific notation
2.1099109 × 10^7
Engineering notation
2.1099109 × 10^6
Prime Factorization
1787 × 11807
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
21099109
Product of the distinct prime numbers
The prime factorization of 21099109 is 1787 × 11807.
Since it has a total of 2 prime factors.
5 , 7 , 53 , 53 , 113 , 449 , 4908 , 7584 , 93273 , 7072 , 548031 , 57722 , 1986696 , 2548673 , 60262939 , 79196011 , 26326968 , 435052085 , 9920362604 , 7859716233
n×2
42198218
n×3
63297327
n×4
84396436
n×5
105495545
n÷2
10549554.5
n÷3
7033036.3333333
n÷3
5274777.25
n÷5
4219821.8
n2
445172400593881
n3
9.392741003922E+21
n4
1.9817846625052E+29
n5
4.1813890608725E+36
2 √n
4593.3766446918
3 √n
276.32575920172
4 √n
67.774454219062
5 √n
29.164385027686
4 divisors
τ
Total Divisors
4
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-21099108
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.25
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
4
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 21099109 can be divided by 4 positive divisors.
The sum of these divisors (counting 21099109) is 1, the average is 0.25.
Base
System
Value
2
Binary
1010000011111001001100101
3
Ternary
1110200221112111
4
Quaternary
1100133021211
5
Quinary
20400132414
6
Senary
2032121021
8
Octal
120371145
10
Decimal
21099109
12
Duodecimal
7096171
16
Hexadecimal
141f265
20
Vigesimal
6bh7f9
36
Base36
ck86d
md5
93ecf117761aad5dd567def7332ab6d7
sha1
d8b0c299df2086c528e87f401b5a4bba4f5a44de
sha256
39bef28f518938adadf4450ea3cf34a70f9b2ba4c9ee7487fbde0c48bb9fed0f
sha512
9e63c1a0b9e981c13df2d49b939780d0e6d79ea4af9785346bbfb76a4f5aea84b101facc042a441b65622c80d67f3436511a8d8351b1090302f9d1ce37c60c2c
ripemd-160
72f9eef1a80273f94f8baab09d43c6a483227451
Diameter
42198218
Circumference
132569611.66338
Area
1.3985503432867E+15
Volume
3.9344221513324E+22
Surface area
5.5942013731467E+15
Circumference
132569611.66338
Perimeter
84396436
Area
445172400593881
Diagonal
29838646.101788
Surface area
2671034403563286
Volume
9.392741003922E+21
Space diagonal
36544728.782434
Perimeter
63297327
Area
1.92765303989E+14
Altitude
18272364.391217
Surface area
1.92765303989E+14
Volume
1.106945142967E+21
Height
9946215.3672627