21006974 is an even 8-digits composite number following 21006973
and preceding 21006975 . In scientific notation, it is written as 2.1006974 × 10^7.
The sum of its digits is 29. It has a total of 3 prime factors and 8 positive divisors.
There are 10305256 positive integers (up to 21006974) that are relatively prime to 21006974.
21006974 has 8 divisors, whose sum is 32105160
The reverse of 21006974 is 47960012
Previous prime number is 53
Is Prime? no
Number parity even
Number length 8
Sum of Digits 29
Digital Root 2
Name
twenty-one million six thousand nine hundred seventy-four
Scientific notation
2.1006974 × 10^7
Engineering notation
2.1006974 × 10^6
Prime Factorization
2 × 53 × 198179
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
21006974
Product of the distinct prime numbers
The prime factorization of 21006974 is 2 × 53 × 198179.
Since it has a total of 3 prime factors.
4 , 8 , 6 , 34 , 218 , 416 , 2181 , 3047 , 80697 , 43776 , 295006 , 638241 , 6333357 , 7206962 , 48092268 , 28261483 , 211264319 , 496691954 , 973859588 , 6450751528
n×2
42013948
n×3
63020922
n×4
84027896
n×5
105034870
n÷2
10503487
n÷3
7002324.6666667
n÷3
5251743.5
n÷5
4201394.8
n2
441292956636676
n3
9.2702296664498E+21
n4
1.9473947357714E+29
n5
4.0908870582087E+36
2 √n
4583.3365575746
3 √n
275.92295511062
4 √n
67.700343851229
5 √n
29.138869576184
8 divisors
τ
Total Divisors
8
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-21006973
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.125
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
8
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 21006974 can be divided by 8 positive divisors.
The sum of these divisors (counting 21006974) is 1, the average is 0.125.
Base
System
Value
2
Binary
1010000001000101001111110
3
Ternary
1110112021011002
4
Quaternary
1100020221332
5
Quinary
20334210344
6
Senary
2030130302
8
Octal
120105176
10
Decimal
21006974
12
Duodecimal
7050992
16
Hexadecimal
1408a7e
20
Vigesimal
6b5h8e
36
Base36
ci932
md5
75db4350abbef9b202b59e5806bfe9c9
sha1
2dd2365aed0c7673ed6358cebbcbd31c8f97218f
sha256
4f05e8022455d5d82da6431b9bd82c256c6b9721c2a15db73fe8c26d983c983c
sha512
bf470ae3817e803351c100114ed2be83ce1b13b389d3aa8db38817ec49f18dd4582f5955d3aefa19195fd9cbb4a772650c751a4ec3cb8b03282d1262ed360dd8
ripemd-160
bb8324536008798c47e2e23cc9ddc003240971db
Diameter
42013948
Circumference
131990710.3851
Area
1.3863627106507E+15
Volume
3.8831047222945E+22
Surface area
5.5454508426028E+15
Circumference
131990710.3851
Perimeter
84027896
Area
441292956636676
Diagonal
29708347.535219
Surface area
2647757739820056
Volume
9.2702296664498E+21
Space diagonal
36385146.281278
Perimeter
63020922
Area
1.9108545547925E+14
Altitude
18192573.140639
Surface area
1.9108545547925E+14
Volume
1.0925070433839E+21
Height
9902782.5117397