21492008 is an even 8-digits composite number following 21492007
and preceding 21492009 . In scientific notation, it is written as 2.1492008 × 10^7.
The sum of its digits is 26. It has a total of 5 prime factors and 16 positive divisors.
There are 10569600 positive integers (up to 21492008) that are relatively prime to 21492008.
21492008 has 16 divisors, whose sum is 40959060
The reverse of 21492008 is 80029412
Previous prime number is 61
Is Prime? no
Number parity even
Number length 8
Sum of Digits 26
Digital Root 8
Name
twenty-one million four hundred ninety-two thousand eight
Scientific notation
2.1492008 × 10^7
Engineering notation
2.1492008 × 10^6
Prime Factorization
2 × 2 × 2 × 61 × 44041
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
5373002
Product of the distinct prime numbers
The prime factorization of 21492008 is 2 × 2 × 2 × 61 × 44041.
Since it has a total of 5 prime factors.
3 , 1 , 92 , 23 , 591 , 805 , 5329 , 9694 , 70942 , 74174 , 329568 , 550645 , 3687035 , 2816681 , 33422957 , 55921546 , 196538557 , 49003227 , 1491529320 , 6661471694
n×2
42984016
n×3
64476024
n×4
85968032
n×5
107460040
n÷2
10746004
n÷3
7164002.6666667
n÷3
5373002
n÷5
4298401.6
n2
461906407872064
n3
9.9272962132377E+21
n4
2.1335752963327E+29
n5
4.5854817337386E+36
2 √n
4635.9473681223
3 √n
278.03042987642
4 √n
68.087791623185
5 √n
29.272202354978
1 , 2 , 4 , 8 , 61 , 122 , 244 , 488 , 44041 , 88082 , 176164 , 352328 , 2686501 , 5373002 , 10746004 , 21492008
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
-21492007
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 21492008 can be divided by 16 positive divisors.
The sum of these divisors (counting 21492008) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1010001111111000100101000
3
Ternary
1111102220111022
4
Quaternary
1101333010220
5
Quinary
21000221013
6
Senary
2044352012
8
Octal
121770450
10
Decimal
21492008
12
Duodecimal
7245608
16
Hexadecimal
147f128
20
Vigesimal
6e6a08
36
Base36
csnc8
md5
317afb0502dd5391dcdd039d4a078f5f
sha1
2312565e26f85a8ea89754b7512beaa324dd093d
sha256
dfdc310ea9336eb3adbb2a9211b468ce0c784665dd9b122f5068f78bb840c39b
sha512
45cccc0c8bf7a98106d3eb1480c006cf7b681359bf3457496af99dbc8336ef4b41bbbb8032ce39a2aa3e27720810aeee0f85f60aa2a2fea43b18c6d4ba1454a4
ripemd-160
4f544e243141b171d0cdccfa52ad0deda27d1328
Diameter
42984016
Circumference
135038268.88739
Area
1.4511217776169E+15
Volume
4.1583361138023E+22
Surface area
5.8044871104677E+15
Circumference
135038268.88739
Perimeter
85968032
Area
461906407872064
Diagonal
30394289.196231
Surface area
2771438447232384
Volume
9.9272962132377E+21
Space diagonal
37225249.812677
Perimeter
64476024
Area
2.0001134169401E+14
Altitude
18612624.906338
Surface area
2.0001134169401E+14
Volume
1.169943078538E+21
Height
10131429.732077