21128214 is an even 8-digits composite number following 21128213
and preceding 21128215 . In scientific notation, it is written as 2.1128214 × 10^7.
The sum of its digits is 21. It has a total of 5 prime factors and 32 positive divisors.
There are 6700320 positive integers (up to 21128214) that are relatively prime to 21128214.
21128214 has 32 divisors, whose sum is 44331264
The reverse of 21128214 is 41282112
Previous prime number is 283
Is Prime? no
Number parity even
Number length 8
Sum of Digits 21
Digital Root 3
Name
twenty-one million one hundred twenty-eight thousand two hundred fourteen
Scientific notation
2.1128214 × 10^7
Engineering notation
2.1128214 × 10^6
Prime Factorization
2 × 3 × 23 × 283 × 541
Composite number
ω
Distinct Factors
5
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
21128214
Product of the distinct prime numbers
The prime factorization of 21128214 is 2 × 3 × 23 × 283 × 541.
Since it has a total of 5 prime factors.
3 , 10 , 32 , 98 , 400 , 228 , 8438 , 2273 , 98514 , 91548 , 108553 , 422589 , 5251612 , 8813914 , 66392783 , 89156163 , 468499209 , 858488302 , 4972672006 , 670896317
n×2
42256428
n×3
63384642
n×4
84512856
n×5
105641070
n÷2
10564107
n÷3
7042738
n÷3
5282053.5
n÷5
4225642.8
n2
446401426829796
n3
9.4316648759653E+21
n4
1.9927423387568E+29
n5
4.2103086580114E+36
2 √n
4596.5437015218
3 √n
276.45275928841
4 √n
67.797814872766
5 √n
29.172426708015
1 , 2 , 3 , 6 , 23 , 46 , 69 , 138 , 283 , 541 , 566 , 849 , 1082 , 1623 , 1698 , 3246 , 6509 , 12443 , 13018 , 19527 , 24886 , 37329 , 39054 , 74658 , 153103 , 306206 , 459309 , 918618 , 3521369 , 7042738 , 10564107 , 21128214
32 divisors
τ
Total Divisors
32
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-21128213
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.03125
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
32
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 21128214 can be divided by 32 positive divisors.
The sum of these divisors (counting 21128214) is 1, the average is 0.03125.
Base
System
Value
2
Binary
1010000100110010000010110
3
Ternary
1110202102110110
4
Quaternary
1100212100112
5
Quinary
20402100324
6
Senary
2032503450
8
Octal
120462026
10
Decimal
21128214
12
Duodecimal
70aab86
16
Hexadecimal
1426416
20
Vigesimal
6c10ae
36
Base36
ckumu
md5
e7a2334e68a6fdc98280493771daed1d
sha1
d3d454993cd121710fe498bb309ce664eaa1698b
sha256
80937f95a4e347b0879f675762e9edec53efeb532e130d9c7327fcf1d057bcc9
sha512
2e1531f55a8ef76234650a4dcd9b913e21d91d64a031a7ff6aebdd9b4b9ac6be23c3113f40c25697ef22997290ba287a6063656543ca5d7ad196fe841fa3cf5f
ripemd-160
6d43d81baabdfd2eaad3e37b9cf4eeaee78a3c7f
Diameter
42256428
Circumference
132752483.77175
Area
1.4024114430805E+15
Volume
3.9507265447271E+22
Surface area
5.609645772322E+15
Circumference
132752483.77175
Perimeter
84512856
Area
446401426829796
Diagonal
29879806.787521
Surface area
2678408560978776
Volume
9.4316648759653E+21
Space diagonal
36595140.121188
Perimeter
63384642
Area
1.9329748796011E+14
Altitude
18297570.060594
Surface area
1.9329748796011E+14
Volume
1.111532365279E+21
Height
9959935.5958404