25121421 is an odd 8-digits composite number following 25121420
and preceding 25121422 . In scientific notation, it is written as 2.5121421 × 10^7.
The sum of its digits is 18. It has a total of 3 prime factors and 8 positive divisors.
There are 15458688 positive integers (up to 25121421) that are relatively prime to 25121421.
25121421 has 8 divisors, whose sum is 27388984
The reverse of 25121421 is 12412152
Previous prime number is 13
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 18
Digital Root 9
Name
twenty-five million one hundred twenty-one thousand four hundred twenty-one
Scientific notation
2.5121421 × 10^7
Engineering notation
2.5121421 × 10^6
Prime Factorization
81 × 13 × 23857
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
25121421
Product of the distinct prime numbers
The prime factorization of 25121421 is 81 × 13 × 23857.
Since it has a total of 3 prime factors.
9 , 3 , 96 , 21 , 487 , 650 , 9635 , 9104 , 47304 , 67776 , 735536 , 713896 , 6291623 , 4814991 , 93925805 , 65441584 , 113065298 , 326940324 , 1926495671 , 7644065749
n×2
50242842
n×3
75364263
n×4
100485684
n×5
125607105
n÷2
12560710.5
n÷3
8373807
n÷3
6280355.25
n÷5
5024284.2
n2
631085793059241
n3
1.585377189456E+22
n4
3.9826927820121E+29
n5
1.0005090209059E+37
2 √n
5012.1273926348
3 √n
292.87439237792
4 √n
70.796379798933
5 √n
30.200131941259
8 divisors
τ
Total Divisors
8
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-25121420
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.125
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
8
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 25121421 can be divided by 8 positive divisors.
The sum of these divisors (counting 25121421) is 1, the average is 0.125.
Base
System
Value
2
Binary
1011111110101001010001101
3
Ternary
1202021022010000
4
Quaternary
1133311022031
5
Quinary
22412341141
6
Senary
2254234513
8
Octal
137651215
10
Decimal
25121421
12
Duodecimal
84b5a39
16
Hexadecimal
17f528d
20
Vigesimal
7h03b1
36
Base36
eyft9
md5
0a5576ad60e6e514cee8a613b32bbcb9
sha1
0c2e81441385f07785d8bc1849709f570e7d8a75
sha256
91d744103459bad5cbda25895b73c5f5289a4589fbaf12c3fc3a384cfbf2e656
sha512
2a0dd45d02e8e4c70a5da29200b94e5cf65e0af1b8a0674a8d4ddf89b3635a6f585c747e883918bbf3015d2ed4cd6599d291f7abe17476e842044e7601d159d1
ripemd-160
559e9c4fec67dd75479e1175934980ef8f6b359d
Diameter
50242842
Circumference
157842543.32267
Area
1.9826144912598E+15
Volume
6.6408124420851E+22
Surface area
7.9304579650392E+15
Circumference
157842543.32267
Perimeter
100485684
Area
631085793059241
Diagonal
35527054.284284
Surface area
3786514758355446
Volume
1.585377189456E+22
Space diagonal
43511577.530328
Perimeter
75364263
Area
2.7326816437838E+14
Altitude
21755788.765164
Surface area
2.7326816437838E+14
Volume
1.8683849356714E+21
Height
11842351.428095