21243670 is an even 8-digits composite number following 21243669
and preceding 21243671 . In scientific notation, it is written as 2.1243670 × 10^7.
The sum of its digits is 25. It has a total of 4 prime factors and 16 positive divisors.
There are 7233408 positive integers (up to 21243670) that are relatively prime to 21243670.
21243670 has 16 divisors, whose sum is 33001776
The reverse of 21243670 is 07634212
Previous prime number is 1933
Is Prime? no
Number parity even
Number length 8
Sum of Digits 25
Digital Root 7
Name
twenty-one million two hundred forty-three thousand six hundred seventy
Scientific notation
2.1243670 × 10^7
Engineering notation
2.1243670 × 10^6
Prime Factorization
2 × 35 × 1933 × 157
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
21243670
Product of the distinct prime numbers
The prime factorization of 21243670 is 2 × 35 × 1933 × 157.
Since it has a total of 4 prime factors.
5 , 8 , 45 , 100 , 326 , 272 , 2394 , 166 , 87692 , 62632 , 994746 , 108853 , 2518825 , 3456355 , 52968949 , 40993262 , 989080034 , 355389873 , 7185109505 , 5268425432
n×2
42487340
n×3
63731010
n×4
84974680
n×5
106218350
n÷2
10621835
n÷3
7081223.3333333
n÷3
5310917.5
n÷5
4248734
n2
451293515068900
n3
9.5871305072637E+21
n4
2.0366583674324E+29
n5
4.3266098260473E+36
2 √n
4609.0855926094
3 √n
276.95540733247
4 √n
67.890246667761
5 √n
29.204240032382
1 , 2 , 35 , 70 , 157 , 314 , 1933 , 3866 , 5495 , 10990 , 67655 , 135310 , 303481 , 606962 , 10621835 , 21243670
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
-21243669
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 21243670 can be divided by 16 positive divisors.
The sum of these divisors (counting 21243670) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1010001000010011100010110
3
Ternary
1110222021211121
4
Quaternary
1101002130112
5
Quinary
20414244140
6
Senary
2035154154
8
Octal
121023426
10
Decimal
21243670
12
Duodecimal
714595a
16
Hexadecimal
1442716
20
Vigesimal
6cf93a
36
Base36
cnbpy
md5
15da562b6ec57f882ceb35f0faaef22b
sha1
31ec33dc4ed1ca3e684af12b87f37ff82523efad
sha256
f4de9d01df3d7303a58b8dbc6abad90dd2e1d7a996fd050fb8c457d4a39c2018
sha512
bec9139e02adcc0254b080c6a7714266deb6f0dd0d5aef446e29419782a1d7fad7f9ada4e5e2d395ded639b17a7faf9327e3d8c1992f22009144bfed706e152f
ripemd-160
f3806654189ed3cb1db36dc4f3b3731502771416
Diameter
42487340
Circumference
133477915.21457
Area
1.4177803915532E+15
Volume
4.0158478360835E+22
Surface area
5.6711215662127E+15
Circumference
133477915.21457
Perimeter
84974680
Area
451293515068900
Diagonal
30043086.228578
Surface area
2707761090413400
Volume
9.5871305072637E+21
Space diagonal
36795115.779227
Perimeter
63731010
Area
1.9541582430642E+14
Altitude
18397557.889613
Surface area
1.9541582430642E+14
Volume
1.1298541656344E+21
Height
10014362.076193