21000252 is an even 8-digits composite number following 21000251
and preceding 21000253 . In scientific notation, it is written as 2.1000252 × 10^7.
The sum of its digits is 12. It has a total of 5 prime factors and 24 positive divisors.
There are 5538240 positive integers (up to 21000252) that are relatively prime to 21000252.
21000252 has 24 divisors, whose sum is 41464192
The reverse of 21000252 is 25200012
Previous prime number is 13
Is Prime? no
Number parity even
Number length 8
Sum of Digits 12
Digital Root 3
Name
twenty-one million two hundred fifty-two
Scientific notation
2.1000252 × 10^7
Engineering notation
2.1000252 × 10^6
Prime Factorization
2 × 2 × 21 × 13 × 19231
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
10500126
Product of the distinct prime numbers
The prime factorization of 21000252 is 2 × 2 × 21 × 13 × 19231.
Since it has a total of 5 prime factors.
9 , 8 , 99 , 60 , 509 , 935 , 5800 , 4073 , 41906 , 91036 , 887714 , 189054 , 2873938 , 9652426 , 4903199 , 15954440 , 565257813 , 521816263 , 3396622324 , 5675717874
n×2
42000504
n×3
63000756
n×4
84001008
n×5
105001260
n÷2
10500126
n÷3
7000084
n÷3
5250063
n÷5
4200050.4
n2
441010584063504
n3
9.2613334000008E+21
n4
1.9449033525603E+29
n5
4.0843460519412E+36
2 √n
4582.6031903275
3 √n
275.89352120337
4 √n
67.694927360383
5 √n
29.137004514069
1 , 2 , 4 , 13 , 21 , 26 , 42 , 52 , 84 , 273 , 546 , 1092 , 19231 , 38462 , 76924 , 250003 , 403851 , 500006 , 807702 , 1000012 , 1615404 , 5250063 , 10500126 , 21000252
24 divisors
τ
Total Divisors
24
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-21000251
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.041666666666667
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
24
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 21000252 can be divided by 24 positive divisors.
The sum of these divisors (counting 21000252) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
1010000000111000000111100
3
Ternary
1110111220221010
4
Quaternary
1100013000330
5
Quinary
20334002002
6
Senary
2030035220
8
Octal
120070074
10
Decimal
21000252
12
Duodecimal
7048b10
16
Hexadecimal
140703c
20
Vigesimal
6b50cc
36
Base36
ci3wc
md5
0c20dffbb792a9e90a4c0e882fb59894
sha1
6ccc8b517641c441aee326a8a1bb58b68de0d191
sha256
c5dabf3e8da9f2db705b46d4a530feb4be2e171c3aa0143031bd052c3ac6b2ac
sha512
0020f3e50bf3b24f58999101d4b8c1a1de8eae3db26eea9f1adfa11268ee8b1c465be724496e656f03b71abd14d7e56506a881efa6831a5c14e527809e2a1877
ripemd-160
49259117e7582dc9c0a4540f5aff93640df6ce5b
Diameter
42000504
Circumference
131948474.81347
Area
1.3854756110492E+15
Volume
3.8793782629184E+22
Surface area
5.541902444197E+15
Circumference
131948474.81347
Perimeter
84001008
Area
441010584063504
Diagonal
29698841.191653
Surface area
2646063504381024
Volume
9.2613334000008E+21
Space diagonal
36373503.43575
Perimeter
63000756
Area
1.909631845684E+14
Altitude
18186751.717875
Surface area
1.909631845684E+14
Volume
1.0914586083283E+21
Height
9899613.7305509