20902488 is an even 8-digits composite number following 20902487
and preceding 20902489 . In scientific notation, it is written as 2.0902488 × 10^7.
The sum of its digits is 33. It has a total of 6 prime factors and 32 positive divisors.
There are 6930560 positive integers (up to 20902488) that are relatively prime to 20902488.
20902488 has 32 divisors, whose sum is 52533360
The reverse of 20902488 is 88420902
Previous prime number is 4421
Is Prime? no
Number parity even
Number length 8
Sum of Digits 33
Digital Root 6
Name
twenty million nine hundred two thousand four hundred eighty-eight
Scientific notation
2.0902488 × 10^7
Engineering notation
2.0902488 × 10^6
Prime Factorization
2 × 2 × 2 × 3 × 4421 × 197
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
6
Total number of prime factors
rad
Radical
5225622
Product of the distinct prime numbers
The prime factorization of 20902488 is 2 × 2 × 2 × 3 × 4421 × 197.
Since it has a total of 6 prime factors.
3 , 4 , 86 , 51 , 225 , 873 , 9639 , 5970 , 8742 , 87808 , 694298 , 981945 , 9192660 , 2702282 , 19895271 , 70781507 , 810963374 , 149602346 , 4184362553 , 6995574617
n×2
41804976
n×3
62707464
n×4
83609952
n×5
104512440
n÷2
10451244
n÷3
6967496
n÷3
5225622
n÷5
4180497.6
n2
436914004590144
n3
9.1325897379774E+21
n4
1.90893847407E+29
n5
3.9901563546986E+36
2 √n
4571.9238838808
3 √n
275.46472605677
4 √n
67.61600316405
5 √n
29.109825131658
1 , 2 , 3 , 4 , 6 , 8 , 12 , 24 , 197 , 394 , 591 , 788 , 1182 , 1576 , 2364 , 4421 , 4728 , 8842 , 13263 , 17684 , 26526 , 35368 , 53052 , 106104 , 870937 , 1741874 , 2612811 , 3483748 , 5225622 , 6967496 , 10451244 , 20902488
32 divisors
τ
Total Divisors
32
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20902487
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.03125
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
32
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20902488 can be divided by 32 positive divisors.
The sum of these divisors (counting 20902488) is 1, the average is 0.03125.
Base
System
Value
2
Binary
1001111101111001001011000
3
Ternary
1110022221211020
4
Quaternary
1033233021120
5
Quinary
20322334423
6
Senary
2024002440
8
Octal
117571130
10
Decimal
20902488
12
Duodecimal
7000420
16
Hexadecimal
13ef258
20
Vigesimal
6acg48
36
Base36
cg0go
md5
0ad57e87d66ba63ea45e1437ea556525
sha1
6e4e43676d4c9745de10e6cde7566dbed27328a9
sha256
56684c74b7acfdb3e9dcc01d71624728d14019732b030bc72f8650e02113a040
sha512
f17228650797a0b8a10222c85b516074d56038e6b863bb8ff652fe81aff0657f5710e56775e2e80abed94079af288c9203b2065da7424498e17f9bd18c315b80
ripemd-160
857cc20015273b891308178a020759d7e3fe8146
Diameter
41804976
Circumference
131334205.4851
Area
1.3726058270709E+15
Volume
3.8254502438773E+22
Surface area
5.4904233082836E+15
Circumference
131334205.4851
Perimeter
83609952
Area
436914004590144
Diagonal
29560582.016941
Surface area
2621484027540864
Volume
9.1325897379774E+21
Space diagonal
36204171.220599
Perimeter
62707464
Area
1.8918931362213E+14
Altitude
18102085.610299
Surface area
1.8918931362213E+14
Volume
1.0762860222531E+21
Height
9853527.3389803