25218988 is an even 8-digits composite number following 25218987
and preceding 25218989 . In scientific notation, it is written as 2.5218988 × 10^7.
The sum of its digits is 43. It has a total of 4 prime factors and 12 positive divisors.
There are 12554912 positive integers (up to 25218988) that are relatively prime to 25218988.
25218988 has 12 divisors, whose sum is 44324280
The reverse of 25218988 is 88981252
Previous prime number is 233
Is Prime? no
Number parity even
Number length 8
Sum of Digits 43
Digital Root 7
Name
twenty-five million two hundred eighteen thousand nine hundred eighty-eight
Scientific notation
2.5218988 × 10^7
Engineering notation
2.5218988 × 10^6
Prime Factorization
2 × 2 × 233 × 27059
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
12609494
Product of the distinct prime numbers
The prime factorization of 25218988 is 2 × 2 × 233 × 27059.
Since it has a total of 4 prime factors.
9 , 8 , 50 , 10 , 181 , 294 , 5215 , 3152 , 50980 , 87404 , 618250 , 86625 , 342808 , 1530446 , 63015004 , 18596716 , 98301765 , 93845612 , 1097181167 , 7726575328
n×2
50437976
n×3
75656964
n×4
100875952
n×5
126094940
n÷2
12609494
n÷3
8406329.3333333
n÷3
6304747
n÷5
5043797.6
n2
635997355744144
n3
1.6039209682543E+22
n4
4.0449263651354E+29
n5
1.0200894946323E+37
2 √n
5021.8510531476
3 √n
293.25305941616
4 √n
70.865019954471
5 √n
30.223553939466
1 , 2 , 4 , 233 , 466 , 932 , 27059 , 54118 , 108236 , 6304747 , 12609494 , 25218988
12 divisors
τ
Total Divisors
12
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-25218987
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.083333333333333
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
12
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 25218988 can be divided by 12 positive divisors.
The sum of these divisors (counting 25218988) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
1100000001100111110101100
3
Ternary
1202110020221121
4
Quaternary
1200030332230
5
Quinary
22424001423
6
Senary
2300310324
8
Octal
140147654
10
Decimal
25218988
12
Duodecimal
85423a4
16
Hexadecimal
180cfac
20
Vigesimal
7hc798
36
Base36
f0j3g
md5
ffc59b0eb1517233399a14e8b3f0cc62
sha1
5c0acc3abb4b8ef3191fecd3cf1c4384133ea742
sha256
cc389a33b95bb9bfaf6319f7ad1095a50b4326f6446d97e236f133e7084c3407
sha512
dfa7a28cb4a5ed049c9641bdf7684e0e03fadbcf38f372b5a182d21e07870bafa98b89aea241c263bbb7ac2515f29f6d83c01dadbdffe2cb98cbd626fbe8f402
ripemd-160
5b91f921b01865697e10f3b0a7163f57e8f91bf5
Diameter
50437976
Circumference
158455574.86354
Area
1.9980446205083E+15
Volume
6.7184884410752E+22
Surface area
7.9921784820333E+15
Circumference
158455574.86354
Perimeter
100875952
Area
635997355744144
Diagonal
35665034.858924
Surface area
3815984134464864
Volume
1.6039209682543E+22
Space diagonal
43680568.53147
Perimeter
75656964
Area
2.7539493340708E+14
Altitude
21840284.265735
Surface area
2.7539493340708E+14
Volume
1.8902389885666E+21
Height
11888344.952975