20155500 is an even 8-digits composite number following 20155499
and preceding 20155501 . In scientific notation, it is written as 2.0155500 × 10^7.
The sum of its digits is 18. It has a total of 5 prime factors and 24 positive divisors.
There are 5371200 positive integers (up to 20155500) that are relatively prime to 20155500.
20155500 has 24 divisors, whose sum is 36979488
The reverse of 20155500 is 00555102
Previous prime number is 25
Is Prime? no
Number parity even
Number length 8
Sum of Digits 18
Digital Root 9
Name
twenty million one hundred fifty-five thousand five hundred
Scientific notation
2.0155500 × 10^7
Engineering notation
2.0155500 × 10^6
Prime Factorization
2 × 2 × 135 × 25 × 1493
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
10077750
Product of the distinct prime numbers
The prime factorization of 20155500 is 2 × 2 × 135 × 25 × 1493.
Since it has a total of 5 prime factors.
8 , 3 , 40 , 38 , 162 , 677 , 1093 , 425 , 77630 , 40848 , 491172 , 899394 , 3188716 , 9363585 , 89364056 , 57842122 , 86723608 , 964442441 , 8176179478 , 5920856165
n×2
40311000
n×3
60466500
n×4
80622000
n×5
100777500
n÷2
10077750
n÷3
6718500
n÷3
5038875
n÷5
4031100
n2
406244180250000
n3
8.1880545750289E+21
n4
1.6503433398699E+29
n5
3.3263495186749E+36
2 √n
4489.487721333
3 √n
272.14343285708
4 √n
67.003639612584
5 √n
28.89872719327
1 , 2 , 4 , 25 , 50 , 100 , 135 , 270 , 540 , 1493 , 2986 , 3375 , 5972 , 6750 , 13500 , 37325 , 74650 , 149300 , 201555 , 403110 , 806220 , 5038875 , 10077750 , 20155500
24 divisors
τ
Total Divisors
24
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20155499
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.041666666666667
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
24
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20155500 can be divided by 24 positive divisors.
The sum of these divisors (counting 20155500) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
1001100111000110001101100
3
Ternary
1101221000011000
4
Quaternary
1030320301230
5
Quinary
20124434000
6
Senary
2000000300
8
Octal
114706154
10
Decimal
20155500
12
Duodecimal
6900090
16
Hexadecimal
1338c6c
20
Vigesimal
65j8f0
36
Base36
c0030
md5
8f6c10cf0cd3e0cd8c18041f8fe9db50
sha1
323ab8b93312f0a57f42e004bd473446a11717e0
sha256
19da371bfcdf3453a8cb7413a926f67e8a48d17ebad50163312b017e60220bbb
sha512
1c9d3849cf5251fb6a0d994ba56deb13608dd8eea577208bdcd24957bfcacfde1921c6456245edf85df834dc5778f70c97b77eab485495fa451211ace12502e5
ripemd-160
e2e28d17ecf5cb938e8211ad008e934a52d38751
Diameter
40311000
Circumference
126640741.45886
Area
1.276253732237E+15
Volume
3.4298042800137E+22
Surface area
5.105014928948E+15
Circumference
126640741.45886
Perimeter
80622000
Area
406244180250000
Diagonal
28504181.456411
Surface area
2437465081500000
Volume
8.1880545750289E+21
Space diagonal
34910350.051955
Perimeter
60466500
Area
1.7590889011804E+14
Altitude
17455175.025977
Surface area
1.7590889011804E+14
Volume
9.6497148578808E+20
Height
9501393.8188036