21372829 is an odd 8-digits composite number following 21372828
and preceding 21372830 . In scientific notation, it is written as 2.1372829 × 10^7.
The sum of its digits is 34. It has a total of 2 prime factors and 4 positive divisors.
There are 21176640 positive integers (up to 21372829) that are relatively prime to 21372829.
21372829 has 4 divisors, whose sum is 21569020
The reverse of 21372829 is 92827312
Previous prime number is 109
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 34
Digital Root 7
Name
twenty-one million three hundred seventy-two thousand eight hundred twenty-nine
Scientific notation
2.1372829 × 10^7
Engineering notation
2.1372829 × 10^6
Prime Factorization
109 × 196081
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
21372829
Product of the distinct prime numbers
The prime factorization of 21372829 is 109 × 196081.
Since it has a total of 2 prime factors.
8 , 6 , 43 , 81 , 771 , 301 , 3612 , 1891 , 11803 , 40129 , 844425 , 38105 , 9901424 , 5684804 , 56668574 , 88547077 , 19278190 , 74158159 , 2015741357 , 3538668395
n×2
42745658
n×3
64118487
n×4
85491316
n×5
106864145
n÷2
10686414.5
n÷3
7124276.3333333
n÷3
5343207.25
n÷5
4274565.8
n2
456797819463241
n3
9.7630616829607E+21
n4
2.0866424786637E+29
n5
4.4597452880616E+36
2 √n
4623.0757077945
3 √n
277.51555901182
4 √n
67.993203394123
5 √n
29.239665648181
4 divisors
τ
Total Divisors
4
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-21372828
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.25
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
4
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 21372829 can be divided by 4 positive divisors.
The sum of these divisors (counting 21372829) is 1, the average is 0.25.
Base
System
Value
2
Binary
1010001100001111110011101
3
Ternary
1111012212000021
4
Quaternary
1101201332131
5
Quinary
20432412304
6
Senary
2042032141
8
Octal
121417635
10
Decimal
21372829
12
Duodecimal
71a8651
16
Hexadecimal
1461f9d
20
Vigesimal
6dbc19
36
Base36
cq3dp
md5
1a0f18b606f73018b42171d6e54c093a
sha1
3ba936209ea4b2cfd64d8e1933642efedcf4cdda
sha256
9e3e433e5a5f56d3074dab15a3a64fde41ead65156a15ff2b0127512572d14d7
sha512
688cd502affd75d7b2bd616ab9bf935ee3d770882a2ff050577a9cad396f14b00394f369876390b735fe331f567057afbb6986d742c45570ed40c3e85e11ef8f
ripemd-160
84f24d50438d3eab65546e761aec94ebf13e0b20
Diameter
42745658
Circumference
134289445.14566
Area
1.4350726738016E+15
Volume
4.0895417146311E+22
Surface area
5.7402906952062E+15
Circumference
134289445.14566
Perimeter
85491316
Area
456797819463241
Diagonal
30225744.638081
Surface area
2740786916779446
Volume
9.7630616829607E+21
Space diagonal
37018825.729482
Perimeter
64118487
Area
1.9779925802425E+14
Altitude
18509412.864741
Surface area
1.9779925802425E+14
Volume
1.1505878535273E+21
Height
10075248.212694