25749942 is an even 8-digits composite number following 25749941
and preceding 25749943 . In scientific notation, it is written as 2.5749942 × 10^7.
The sum of its digits is 42. It has a total of 4 prime factors and 16 positive divisors.
There are 8504352 positive integers (up to 25749942) that are relatively prime to 25749942.
25749942 has 16 divisors, whose sum is 51973680
The reverse of 25749942 is 24994752
Previous prime number is 109
Is Prime? no
Number parity even
Number length 8
Sum of Digits 42
Digital Root 6
Name
twenty-five million seven hundred forty-nine thousand nine hundred forty-two
Scientific notation
2.5749942 × 10^7
Engineering notation
2.5749942 × 10^6
Prime Factorization
2 × 3 × 109 × 39373
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
25749942
Product of the distinct prime numbers
The prime factorization of 25749942 is 2 × 3 × 109 × 39373.
Since it has a total of 4 prime factors.
1 , 4 , 6 , 37 , 394 , 404 , 9624 , 8463 , 38549 , 36736 , 6702 , 88041 , 4464754 , 2982472 , 42419245 , 89115370 , 33001051 , 147565376 , 1489168837 , 9925796460
n×2
51499884
n×3
77249826
n×4
102999768
n×5
128749710
n÷2
12874971
n÷3
8583314
n÷3
6437485.5
n÷5
5149988.4
n2
663059513003364
n3
1.7073744002385E+22
n4
4.3964791778426E+29
n5
1.1320908383365E+37
2 √n
5074.4400676331
3 √n
295.29680746937
4 √n
71.235104180685
5 √n
30.349759295813
1 , 2 , 3 , 6 , 109 , 218 , 327 , 654 , 39373 , 78746 , 118119 , 236238 , 4291657 , 8583314 , 12874971 , 25749942
16 divisors
τ
Total Divisors
16
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-25749941
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.0625
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
16
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 25749942 can be divided by 16 positive divisors.
The sum of these divisors (counting 25749942) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1100010001110100110110110
3
Ternary
1210110020021120
4
Quaternary
1202032212312
5
Quinary
23042444232
6
Senary
2315524410
8
Octal
142164666
10
Decimal
25749942
12
Duodecimal
8759706
16
Hexadecimal
188e9b6
20
Vigesimal
80ieh2
36
Base36
fbws6
md5
0e0c44526f5272b5ca01953c4cd8855e
sha1
0ab86ef44030416cb7d82dd9d0f0c044d60018aa
sha256
93799ba46c5ab960fce8816f9c35f5454ac50c585b5cde1a61d514d2ca836473
sha512
569dfec64cc0b2edd7254008a5d43245bad8ae4ad4570edd84c5fe77cac2ea0d07ed7f5e4aa66c83b6dfe11343064a717324ee50d6e4c9e4670d5e2317f679e6
ripemd-160
85f9bb5e8c8b91a76ae88ff393f2dffb2dfd6ec7
Diameter
51499884
Circumference
161791657.23513
Area
2.0830628949442E+15
Volume
7.151833163622E+22
Surface area
8.3322515797768E+15
Circumference
161791657.23513
Perimeter
102999768
Area
663059513003364
Diagonal
36415917.206721
Surface area
3978357078020184
Volume
1.7073744002385E+22
Space diagonal
44600207.835952
Perimeter
77249826
Area
2.8711319124093E+14
Altitude
22300103.917976
Surface area
2.8711319124093E+14
Volume
2.0121600273882E+21
Height
12138639.068907