21492925 is an odd 8-digits composite number following 21492924
and preceding 21492926 . In scientific notation, it is written as 2.1492925 × 10^7.
The sum of its digits is 34. It has a total of 4 prime factors and 12 positive divisors.
There are 16446320 positive integers (up to 21492925) that are relatively prime to 21492925.
21492925 has 12 divisors, whose sum is 27810720
The reverse of 21492925 is 52929412
Previous prime number is 23
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 34
Digital Root 7
Name
twenty-one million four hundred ninety-two thousand nine hundred twenty-five
Scientific notation
2.1492925 × 10^7
Engineering notation
2.1492925 × 10^6
Prime Factorization
5 × 5 × 23 × 37379
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
4298585
Product of the distinct prime numbers
The prime factorization of 21492925 is 5 × 5 × 23 × 37379.
Since it has a total of 4 prime factors.
10 , 5 , 4 , 63 , 531 , 810 , 436 , 6583 , 47250 , 70572 , 637122 , 272757 , 1066815 , 7931590 , 23815134 , 2075140 , 920910069 , 816908838 , 8085786681 , 3926479262
n×2
42985850
n×3
64478775
n×4
85971700
n×5
107464625
n÷2
10746462.5
n÷3
7164308.3333333
n÷3
5373231.25
n÷5
4298585
n2
461945825055625
n3
9.9285669719837E+21
n4
2.1339394528632E+29
n5
4.586460061493E+36
2 √n
4636.0462681039
3 √n
278.03438406376
4 √n
68.088517887408
5 √n
29.272452142261
1 , 5 , 23 , 25 , 115 , 575 , 37379 , 186895 , 859717 , 934475 , 4298585 , 21492925
12 divisors
τ
Total Divisors
12
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-21492924
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.083333333333333
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
12
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 21492925 can be divided by 12 positive divisors.
The sum of these divisors (counting 21492925) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
1010001111111010010111101
3
Ternary
1111102221202021
4
Quaternary
1101333102331
5
Quinary
21000233200
6
Senary
2044400141
8
Octal
121772275
10
Decimal
21492925
12
Duodecimal
7246051
16
Hexadecimal
147f4bd
20
Vigesimal
6e6c65
36
Base36
cso1p
md5
cc6c0e7768614d92a3948c29a40f36ca
sha1
ed713877714a0b34edb23853a1c2c069f3909c6e
sha256
7ebcb04425bf54623c8f1cc782c97938556bad77a54943c7c7c7c9445155583d
sha512
0ab4ee9b62798c2a31c8822b6e1cddd2e54a3121a5cff26dabb66e9642387ee537ddc5a7b2abb516aec40b0643688a044b5b153ad4ebb00652ef47d23b0061a9
ripemd-160
a97fd26823817c4497d953bff707b7d553b1ada8
Diameter
42985850
Circumference
135044030.56831
Area
1.4512456103512E+15
Volume
4.1588684079811E+22
Surface area
5.8049824414049E+15
Circumference
135044030.56831
Perimeter
85971700
Area
461945825055625
Diagonal
30395586.030068
Surface area
2771674950333750
Volume
9.9285669719837E+21
Space diagonal
37226838.103267
Perimeter
64478775
Area
2.0002840983517E+14
Altitude
18613419.051634
Surface area
2.0002840983517E+14
Volume
1.1700928388924E+21
Height
10131862.010023