21102008 is an even 8-digits composite number following 21102007
and preceding 21102009 . In scientific notation, it is written as 2.1102008 × 10^7.
The sum of its digits is 14. It has a total of 5 prime factors and 16 positive divisors.
There are 9995616 positive integers (up to 21102008) that are relatively prime to 21102008.
21102008 has 16 divisors, whose sum is 41649000
The reverse of 21102008 is 80020112
Previous prime number is 19
Is Prime? no
Number parity even
Number length 8
Sum of Digits 14
Digital Root 5
Name
twenty-one million one hundred two thousand eight
Scientific notation
2.1102008 × 10^7
Engineering notation
2.1102008 × 10^6
Prime Factorization
2 × 2 × 2 × 19 × 138829
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
5275502
Product of the distinct prime numbers
The prime factorization of 21102008 is 2 × 2 × 2 × 19 × 138829.
Since it has a total of 5 prime factors.
3 , 5 , 52 , 85 , 28 , 510 , 7752 , 1016 , 52077 , 85625 , 740226 , 751923 , 5549784 , 9507088 , 81833621 , 22769240 , 410401543 , 329544979 , 4982110999 , 3353937201
n×2
42204016
n×3
63306024
n×4
84408032
n×5
105510040
n÷2
10551004
n÷3
7034002.6666667
n÷3
5275502
n÷5
4220401.6
n2
445294741632064
n3
9.3966132002777E+21
n4
1.9828740692517E+29
n5
4.1842624472341E+36
2 √n
4593.6921969152
3 √n
276.33841426518
4 √n
67.776782137508
5 √n
29.165186416084
1 , 2 , 4 , 8 , 19 , 38 , 76 , 152 , 138829 , 277658 , 555316 , 1110632 , 2637751 , 5275502 , 10551004 , 21102008
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
-21102007
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 21102008 can be divided by 16 positive divisors.
The sum of these divisors (counting 21102008) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1010000011111110110111000
3
Ternary
1110201002111212
4
Quaternary
1100133312320
5
Quinary
20400231013
6
Senary
2032142252
8
Octal
120376670
10
Decimal
21102008
12
Duodecimal
7097988
16
Hexadecimal
141fdb8
20
Vigesimal
6bhf08
36
Base36
ckaew
md5
b0f7810ed1ce864d5aa149b182a19ebc
sha1
6f3260049e2f7537e36d1096215358a10a938575
sha256
3f0cc55941ecf4ad705db7ddbede188fe12f9d511ddeaf4686b1594034c9ecb0
sha512
8ec50ed5886661687b8b5e5107b30034a7580e9f59907c71a4940bb93eb7b3ff4d200254829592e8b3cd00f92f4aae67b94d60551734ea274e27ceb2ddfac79b
ripemd-160
4619d577e1d01b2fd7410e9c63a131751721a388
Diameter
42204016
Circumference
132587826.61759
Area
1.3989346889935E+15
Volume
3.936044133149E+22
Surface area
5.5957387559738E+15
Circumference
132587826.61759
Perimeter
84408032
Area
445294741632064
Diagonal
29842745.906906
Surface area
2671768449792384
Volume
9.3966132002777E+21
Space diagonal
36549749.997725
Perimeter
63306024
Area
1.928182792125E+14
Altitude
18274874.998862
Surface area
1.928182792125E+14
Volume
1.1074014856839E+21
Height
9947581.9689685