21158025 is an odd 8-digits composite number following 21158024
and preceding 21158026 . In scientific notation, it is written as 2.1158025 × 10^7.
The sum of its digits is 24. It has a total of 5 prime factors and 32 positive divisors.
There are 9576000 positive integers (up to 21158025) that are relatively prime to 21158025.
21158025 has 32 divisors, whose sum is 31260672
The reverse of 21158025 is 52085112
Previous prime number is 191
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 24
Digital Root 6
Name
twenty-one million one hundred fifty-eight thousand twenty-five
Scientific notation
2.1158025 × 10^7
Engineering notation
2.1158025 × 10^6
Prime Factorization
15 × 5 × 7 × 191 × 211
Composite number
ω
Distinct Factors
5
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
21158025
Product of the distinct prime numbers
The prime factorization of 21158025 is 15 × 5 × 7 × 191 × 211.
Since it has a total of 5 prime factors.
3 , 6 , 60 , 86 , 958 , 741 , 2017 , 2459 , 25822 , 90865 , 780343 , 884150 , 40692 , 4223 , 52429080 , 24718532 , 473338959 , 828669438 , 1902058307 , 8043979853
n×2
42316050
n×3
63474075
n×4
84632100
n×5
105790125
n÷2
10579012.5
n÷3
7052675
n÷3
5289506.25
n÷5
4231605
n2
447662021900625
n3
9.471644250924E+21
n4
2.0040128585216E+29
n5
4.2400954160921E+36
2 √n
4599.7853210775
3 √n
276.58271916398
4 √n
67.821717178773
5 √n
29.180654273365
1 , 5 , 7 , 15 , 35 , 75 , 105 , 191 , 211 , 525 , 955 , 1055 , 1337 , 1477 , 2865 , 3165 , 6685 , 7385 , 14325 , 15825 , 20055 , 22155 , 40301 , 100275 , 110775 , 201505 , 282107 , 604515 , 1410535 , 3022575 , 4231605 , 21158025
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
-21158024
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 21158025 can be divided by 32 positive divisors.
The sum of these divisors (counting 21158025) is 1, the average is 0.03125.
Base
System
Value
2
Binary
1010000101101100010001001
3
Ternary
1110210221100120
4
Quaternary
1100231202021
5
Quinary
20404024100
6
Senary
2033253453
8
Octal
120554211
10
Decimal
21158025
12
Duodecimal
7104289
16
Hexadecimal
142d889
20
Vigesimal
6c4f15
36
Base36
clhmx
md5
297a2c96f14e9e3a9138df37dfa87fd8
sha1
10413456e622fd8da929fa420d4f2cc24eb79e21
sha256
07cb9bdfc031a777469a636cc926a933be0ee09ec830aaaa7b2b764c2ed9c4f0
sha512
c860258b252a54d6eaf4e7a29bac3b2cd874138efc08c311a68c9306a47eae9723b9b537063c9dd4bee0c4e3cd935793084d8327f2e549a783f9a5c57b9d1c38
ripemd-160
beaace57f0670d9c53daabe4d97acb8859bed7c0
Diameter
42316050
Circumference
132939791.80894
Area
1.4063717192942E+15
Volume
3.9674730661492E+22
Surface area
5.6254868771766E+15
Circumference
132939791.80894
Perimeter
84632100
Area
447662021900625
Diagonal
29921965.908029
Surface area
2685972131403750
Volume
9.471644250924E+21
Space diagonal
36646774.287812
Perimeter
63474075
Area
1.9384334163772E+14
Altitude
18323387.143906
Surface area
1.9384334163772E+14
Volume
1.1162439798025E+21
Height
9973988.6360097