21080108 is an even 8-digits composite number following 21080107
and preceding 21080109 . In scientific notation, it is written as 2.1080108 × 10^7.
The sum of its digits is 20. It has a total of 4 prime factors and 12 positive divisors.
There are 9034320 positive integers (up to 21080108) that are relatively prime to 21080108.
21080108 has 12 divisors, whose sum is 42160272
The reverse of 21080108 is 80108012
Previous prime number is 7
Is Prime? no
Number parity even
Number length 8
Sum of Digits 20
Digital Root 2
Name
twenty-one million eighty thousand one hundred eight
Scientific notation
2.1080108 × 10^7
Engineering notation
2.1080108 × 10^6
Prime Factorization
2 × 2 × 7 × 752861
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
10540054
Product of the distinct prime numbers
The prime factorization of 21080108 is 2 × 2 × 7 × 752861.
Since it has a total of 4 prime factors.
9 , 3 , 56 , 89 , 827 , 131 , 9801 , 8316 , 74598 , 41282 , 184330 , 296837 , 2410057 , 3117833 , 78315890 , 91983463 , 64853498 , 204478036 , 5293428362 , 9662909862
n×2
42160216
n×3
63240324
n×4
84320432
n×5
105400540
n÷2
10540054
n÷3
7026702.6666667
n÷3
5270027
n÷5
4216021.6
n2
444370953291664
n3
9.3673876874512E+21
n4
1.9746554412934E+29
n5
4.1625949965253E+36
2 √n
4591.3078746693
3 √n
276.24278503982
4 √n
67.759190333631
5 √n
29.159130282504
1 , 2 , 4 , 7 , 14 , 28 , 752861 , 1505722 , 3011444 , 5270027 , 10540054 , 21080108
12 divisors
τ
Total Divisors
12
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-21080107
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.083333333333333
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
12
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 21080108 can be divided by 12 positive divisors.
The sum of these divisors (counting 21080108) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
1010000011010100000101100
3
Ternary
1110122222110202
4
Quaternary
1100122200230
5
Quinary
20344030413
6
Senary
2031453032
8
Octal
120324054
10
Decimal
21080108
12
Duodecimal
7087178
16
Hexadecimal
141a82c
20
Vigesimal
6bf058
36
Base36
cjtik
md5
f9d913ff6b2eb907d6ba6fa273aabf3e
sha1
58783e561fff450b0e3ddbc3d96474d7b54ec823
sha256
b1f5976be15fe844986be546d7f6a6028bdef2d32cd560c17da8b6d0d9a77ea5
sha512
fd3f17a0f8a47a11975711ab346ffad56d4e3b51eda7c2ca283b51a434baa37dff4e3ce772c01b97ce5dd36c09e813d91c9a8c13843aa70f7693d1d0a8372562
ripemd-160
d7c3dc600b3dfe434bead947cd390d10bcfa98c6
Diameter
42160216
Circumference
132450224.85936
Area
1.3960325223298E+15
Volume
3.9238021789632E+22
Surface area
5.5841300893191E+15
Circumference
132450224.85936
Perimeter
84320432
Area
444370953291664
Diagonal
29811774.62989
Surface area
2666225719749984
Volume
9.3673876874512E+21
Space diagonal
36511818.085039
Perimeter
63240324
Area
1.9241826712724E+14
Altitude
18255909.04252
Surface area
1.9241826712724E+14
Volume
1.1039572259667E+21
Height
9937258.2099632