21108549 is an odd 8-digits composite number following 21108548
and preceding 21108550 . In scientific notation, it is written as 2.1108549 × 10^7.
The sum of its digits is 30. It has a total of 5 prime factors and 32 positive divisors.
There are 10053120 positive integers (up to 21108549) that are relatively prime to 21108549.
21108549 has 32 divisors, whose sum is 33914880
The reverse of 21108549 is 94580112
Previous prime number is 319
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 30
Digital Root 3
Name
twenty-one million one hundred eight thousand five hundred forty-nine
Scientific notation
2.1108549 × 10^7
Engineering notation
2.1108549 × 10^6
Prime Factorization
3 × 23 × 7 × 319 × 137
Composite number
ω
Distinct Factors
5
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
21108549
Product of the distinct prime numbers
The prime factorization of 21108549 is 3 × 23 × 7 × 319 × 137.
Since it has a total of 5 prime factors.
7 , 1 , 16 , 92 , 643 , 371 , 5081 , 7609 , 47595 , 84314 , 329799 , 483396 , 173544 , 8695779 , 43453125 , 1945040 , 306043617 , 738922520 , 1497183931 , 7737287626
n×2
42217098
n×3
63325647
n×4
84434196
n×5
105542745
n÷2
10554274.5
n÷3
7036183
n÷3
5277137.25
n÷5
4221709.8
n2
445570840885401
n3
9.4053539278007E+21
n4
1.9853337424732E+29
n5
4.190751458435E+36
2 √n
4594.4040962893
3 √n
276.36696356784
4 √n
67.782033727894
5 √n
29.166994261438
1 , 3 , 7 , 21 , 23 , 69 , 137 , 161 , 319 , 411 , 483 , 957 , 959 , 2233 , 2877 , 3151 , 6699 , 7337 , 9453 , 22011 , 22057 , 43703 , 51359 , 66171 , 131109 , 154077 , 305921 , 917763 , 1005169 , 3015507 , 7036183 , 21108549
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
-21108548
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 21108549 can be divided by 32 positive divisors.
The sum of these divisors (counting 21108549) is 1, the average is 0.03125.
Base
System
Value
2
Binary
1010000100001011101000101
3
Ternary
1110201102111010
4
Quaternary
1100201131011
5
Quinary
20400433144
6
Senary
2032232433
8
Octal
120413505
10
Decimal
21108549
12
Duodecimal
709b719
16
Hexadecimal
1421745
20
Vigesimal
6bib79
36
Base36
ckfgl
md5
51e2c22b329696453e4326a0df2756d5
sha1
9672588f05aed153f2a21d063195be71119fb8cf
sha256
6bdcb426007dcc26d30fcca1438f96c5c548b462bffbe161e25dcb26af409860
sha512
d2496bc41336743fd27cec7187a95d2238254e212a4da629d3aec43a01c33931450c549c7301b78cdeb121d7285e9b2b66dc7f84bc6f9ae9983bcf0f071198dd
ripemd-160
5ffb8906f18bf0492d2e2f60def4d91869f48a47
Diameter
42217098
Circumference
132628924.93268
Area
1.3998020803794E+15
Volume
3.9397054405321E+22
Surface area
5.5992083215176E+15
Circumference
132628924.93268
Perimeter
84434196
Area
445570840885401
Diagonal
29851996.277817
Surface area
2673425045312406
Volume
9.4053539278007E+21
Space diagonal
36561079.342057
Perimeter
63325647
Area
1.9293783369618E+14
Altitude
18280539.671029
Surface area
1.9293783369618E+14
Volume
1.1084315903012E+21
Height
9950665.425939