25101991 is an odd 8-digits prime number following 25101990
and preceding 25101992 . In scientific notation, it is written as 2.5101991 × 10^7.
The sum of its digits is 28. It has a total of 1 prime factors and 2 positive divisors.
There are 25101990 positive integers (up to 25101991) that are relatively prime to 25101991.
25101991 has 2 divisors, whose sum is 25101992
The reverse of 25101991 is 19910152
Previous prime number is 1
Is Prime? yes
Number parity odd
Number length 8
Sum of Digits 28
Digital Root 1
Name
twenty-five million one hundred one thousand nine hundred ninety-one
Scientific notation
2.5101991 × 10^7
Engineering notation
2.5101991 × 10^6
Prime Factorization
25101991
Composite number
ω
Distinct Factors
1
Total number of distinct prime factors
Ω
Total Factors
1
Total number of prime factors
rad
Radical
25101991
Product of the distinct prime numbers
The prime factorization of 25101991 is 25101991.
Since it has a total of 1 prime factors.
3 , 9 , 69 , 47 , 16 , 550 , 7566 , 6837 , 64754 , 56350 , 47935 , 832223 , 7103513 , 8005300 , 73273851 , 71841869 , 154789441 , 868004880 , 7330156649 , 9380440479
n×2
50203982
n×3
75305973
n×4
100407964
n×5
125509955
n÷2
12550995.5
n÷3
8367330.3333333
n÷3
6275497.75
n÷5
5020398.2
n2
630109952164081
n3
1.5817014348233E+22
n4
3.9703855181622E+29
n5
9.9664581543438E+36
2 √n
5010.1887190005
3 √n
292.79886563681
4 √n
70.782686576595
5 √n
30.195458876092
2 divisors
τ
Total Divisors
2
Total number of the positive divisors of n
σ
Sum of Divisors
25101992
Sum of all the positive divisors of n
s
Aliquot Sum
1
Sum of the proper positive divisors of n
A
Arithmetic Mean
12550996
Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G
Geometric Mean
5010.1888187972
Returns the nth root of the product of n divisors
H
Harmonic Mean
1.999999920325
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 25101991 can be divided by 2 positive divisors.
The sum of these divisors (counting 25101991) is 25101992, the average is 12550996.
Base
System
Value
2
Binary
1011111110000011010100111
3
Ternary
1202020022110101
4
Quaternary
1133300122213
5
Quinary
22411230431
6
Senary
2254004531
8
Octal
137603247
10
Decimal
25101991
12
Duodecimal
84a6747
16
Hexadecimal
17f06a7
20
Vigesimal
7ghejb
36
Base36
ey0tj
md5
6d9a38439b5a73257fb0497180b5c3cc
sha1
7cac0f54f058b176caf6e7cd1a75ed74a506c5f2
sha256
ebee9a03c67c9bf2678da30894b6005de4a8826e439ceab2e05b88bb4f6276b2
sha512
21ff48d83dd2bdd850abe16696cdda1d9bd2687dbfd5a9348023696021e5ac9645a325f8d64ef26adadcedc17bd3d8b35e79bfa74055526caeae3e2bd605368d
ripemd-160
9e9ac5058b068434e436700e7efb2a2c5bff8253
Diameter
50203982
Circumference
157720461.03215
Area
1.9795487966725E+15
Volume
6.6254154770845E+22
Surface area
7.91819518669E+15
Circumference
157720461.03215
Perimeter
100407964
Area
630109952164081
Diagonal
35499576.114767
Surface area
3780659712984486
Volume
1.5817014348233E+22
Space diagonal
43477923.783137
Perimeter
75305973
Area
2.7284561287575E+14
Altitude
21738961.891568
Surface area
2.7284561287575E+14
Volume
1.8640530172934E+21
Height
11833192.038256