21356870 is an even 8-digits composite number following 21356869
and preceding 21356871 . In scientific notation, it is written as 2.1356870 × 10^7.
The sum of its digits is 32. It has a total of 3 prime factors and 8 positive divisors.
There are 8542744 positive integers (up to 21356870) that are relatively prime to 21356870.
21356870 has 8 divisors, whose sum is 38442384
The reverse of 21356870 is 07865312
Previous prime number is 5
Is Prime? no
Number parity even
Number length 8
Sum of Digits 32
Digital Root 5
Name
twenty-one million three hundred fifty-six thousand eight hundred seventy
Scientific notation
2.1356870 × 10^7
Engineering notation
2.1356870 × 10^6
Prime Factorization
2 × 5 × 2135687
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
21356870
Product of the distinct prime numbers
The prime factorization of 21356870 is 2 × 5 × 2135687.
Since it has a total of 3 prime factors.
1 , 8 , 77 , 23 , 270 , 760 , 2543 , 3353 , 75289 , 38289 , 611594 , 640061 , 9500879 , 4075996 , 996994 , 7541703 , 874793871 , 627889933 , 4797509833 , 4710349749
n×2
42713740
n×3
64070610
n×4
85427480
n×5
106784350
n÷2
10678435
n÷3
7118956.6666667
n÷3
5339217.5
n÷5
4271374
n2
456115896196900
n3
9.7412079000107E+21
n4
2.080417107635E+29
n5
4.4431197713537E+36
2 √n
4621.3493700433
3 √n
277.44646858548
4 √n
67.980507279979
5 √n
29.235297716724
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
-21356869
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 21356870 can be divided by 8 positive divisors.
The sum of these divisors (counting 21356870) is 1, the average is 0.125.
Base
System
Value
2
Binary
1010001011110000101000110
3
Ternary
1111012001010012
4
Quaternary
1101132011012
5
Quinary
20431404440
6
Senary
2041430222
8
Octal
121360506
10
Decimal
21356870
12
Duodecimal
719b372
16
Hexadecimal
145e146
20
Vigesimal
6d9c3a
36
Base36
cpr2e
md5
6a9ed72b7976050ab7942dc050980818
sha1
81c3bf33680d651dd4bb96499c7a885ed5830360
sha256
367cb91bb7c12d775a9d7198a99f64617dc18fa62b36d86567d40bf922f89cbe
sha512
763caf97f6f09f994024e81f65de811d6b6a650682d140bf7c9e630b5435bf7506c456bcc5afb5f77a20bb22490ec6ade0ae287e99f51a8ec6860b0327c8446e
ripemd-160
43ec6995396c06654bc30bf56b1c777e376c0211
Diameter
42713740
Circumference
134189171.79134
Area
1.4329303486777E+15
Volume
4.0803876234353E+22
Surface area
5.7317213947108E+15
Circumference
134189171.79134
Perimeter
85427480
Area
456115896196900
Diagonal
30203175.203839
Surface area
2736695377181400
Volume
9.7412079000107E+21
Space diagonal
36991183.930644
Perimeter
64070610
Area
1.9750397658821E+14
Altitude
18495591.965322
Surface area
1.9750397658821E+14
Volume
1.1480123605076E+21
Height
10067725.067946