25428081 is an odd 8-digits composite number following 25428080
and preceding 25428082 . In scientific notation, it is written as 2.5428081 × 10^7.
The sum of its digits is 30. It has a total of 4 prime factors and 16 positive divisors.
There are 14220624 positive integers (up to 25428081) that are relatively prime to 25428081.
25428081 has 16 divisors, whose sum is 39573504
The reverse of 25428081 is 18082452
Previous prime number is 47
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 30
Digital Root 3
Name
twenty-five million four hundred twenty-eight thousand eighty-one
Scientific notation
2.5428081 × 10^7
Engineering notation
2.5428081 × 10^6
Prime Factorization
3 × 7 × 47 × 25763
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
25428081
Product of the distinct prime numbers
The prime factorization of 25428081 is 3 × 7 × 47 × 25763.
Since it has a total of 4 prime factors.
5 , 4 , 69 , 44 , 72 , 273 , 6062 , 2604 , 13539 , 66522 , 68072 , 677126 , 8402630 , 6427167 , 33647824 , 3946315 , 808065741 , 74398422 , 6983998304 , 9817807943
n×2
50856162
n×3
76284243
n×4
101712324
n×5
127140405
n÷2
12714040.5
n÷3
8476027
n÷3
6357020.25
n÷5
5085616.2
n2
646587303342561
n3
1.6441474322966E+22
n4
4.180751408438E+29
n5
1.0630848545463E+37
2 √n
5042.6263990107
3 √n
294.06129269547
4 √n
71.011452590485
5 √n
30.273505816079
1 , 3 , 7 , 21 , 47 , 141 , 329 , 987 , 25763 , 77289 , 180341 , 541023 , 1210861 , 3632583 , 8476027 , 25428081
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
-25428080
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 25428081 can be divided by 16 positive divisors.
The sum of these divisors (counting 25428081) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1100001000000000001110001
3
Ternary
1202211212202210
4
Quaternary
1201000001301
5
Quinary
23002144311
6
Senary
2305002333
8
Octal
141000161
10
Decimal
25428081
12
Duodecimal
86233a9
16
Hexadecimal
1840071
20
Vigesimal
7iia41
36
Base36
f50fl
md5
b36101366676a92ba7aa3dffe371c3b4
sha1
2546f0792e635246938b8377220cd24475cd8833
sha256
6300c831b9166daef1f151f43832e098a53521bc1b3c91f0b916228b1b0bef2f
sha512
dff788881cfe3d29a07a61a51dc372654d58c53662d5c3f95c1be8490f3d4bd9f957d8ac6c8bd7c96ecbde9090d899d02f62f136ed4043fb0102cc2c8cfac4bc
ripemd-160
47b9dc698142ae9ce26a174718b3511d7a9fa51d
Diameter
50856162
Circumference
159769344.92897
Area
2.0313139220854E+15
Volume
6.8869886596288E+22
Surface area
8.1252556883417E+15
Circumference
159769344.92897
Perimeter
101712324
Area
646587303342561
Diagonal
35960737.015322
Surface area
3879523820055366
Volume
1.6441474322966E+22
Space diagonal
44042728.230977
Perimeter
76284243
Area
2.7998051522957E+14
Altitude
22021364.115488
Surface area
2.7998051522957E+14
Volume
1.937646331079E+21
Height
11986912.338441