25101985 is an odd 8-digits composite number following 25101984
and preceding 25101986 . In scientific notation, it is written as 2.5101985 × 10^7.
The sum of its digits is 31. It has a total of 3 prime factors and 8 positive divisors.
There are 19969920 positive integers (up to 25101985) that are relatively prime to 25101985.
25101985 has 8 divisors, whose sum is 30289896
The reverse of 25101985 is 58910152
Previous prime number is 181
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 31
Digital Root 4
Name
twenty-five million one hundred one thousand nine hundred eighty-five
Scientific notation
2.5101985 × 10^7
Engineering notation
2.5101985 × 10^6
Prime Factorization
5 × 181 × 27737
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
25101985
Product of the distinct prime numbers
The prime factorization of 25101985 is 5 × 181 × 27737.
Since it has a total of 3 prime factors.
4 , 2 , 18 , 5 , 41 , 568 , 3678 , 6071 , 73969 , 49243 , 162126 , 229306 , 261218 , 5839126 , 30879972 , 33285018 , 713237855 , 848880411 , 6810419500 , 215013978
n×2
50203970
n×3
75305955
n×4
100407940
n×5
125509925
n÷2
12550992.5
n÷3
8367328.3333333
n÷3
6275496.25
n÷5
5020397
n2
630109650940225
n3
1.5817003006257E+22
n4
3.9703817220801E+29
n5
9.9664462431929E+36
2 √n
5010.1881202206
3 √n
292.79884230807
4 √n
70.782682346889
5 √n
30.195457432599
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
-25101984
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 25101985 can be divided by 8 positive divisors.
The sum of these divisors (counting 25101985) is 1, the average is 0.125.
Base
System
Value
2
Binary
1011111110000011010100001
3
Ternary
1202020022110011
4
Quaternary
1133300122201
5
Quinary
22411230420
6
Senary
2254004521
8
Octal
137603241
10
Decimal
25101985
12
Duodecimal
84a6741
16
Hexadecimal
17f06a1
20
Vigesimal
7ghej5
36
Base36
ey0td
md5
0df35b7df0a7609aad433a904c35c7f6
sha1
fc7b479ea6c4187beb315cde0f2b6f09cc4cc407
sha256
67c42cc7d3e75458d60776fe237c20e774e689078bc78dc412aed7033450d015
sha512
e8fb883b998e4dab2496a77c7540a956d6ffb246869f8f5a0cbc0f5cf8cc07f37f610d0d10936ebe71a0868d37c9561fdff1ac5e2150ca7229633ff373311a92
ripemd-160
47a5bd5862b25c5b0e2f36fe9ff5a8bf74f70ef6
Diameter
50203970
Circumference
157720423.33304
Area
1.9795478503498E+15
Volume
6.6254107261685E+22
Surface area
7.9181914013994E+15
Circumference
157720423.33304
Perimeter
100407940
Area
630109650940225
Diagonal
35499567.629486
Surface area
3780657905641350
Volume
1.5817003006257E+22
Space diagonal
43477913.390832
Perimeter
75305955
Area
2.7284548244199E+14
Altitude
21738956.695416
Surface area
2.7284548244199E+14
Volume
1.8640516806287E+21
Height
11833189.209829