20155240 is an even 8-digits composite number following 20155239
and preceding 20155241 . In scientific notation, it is written as 2.0155240 × 10^7.
The sum of its digits is 19. It has a total of 6 prime factors and 32 positive divisors.
There are 6910272 positive integers (up to 20155240) that are relatively prime to 20155240.
20155240 has 32 divisors, whose sum is 51828480
The reverse of 20155240 is 04255102
Previous prime number is 5
Is Prime? no
Number parity even
Number length 8
Sum of Digits 19
Digital Root 1
Name
twenty million one hundred fifty-five thousand two hundred forty
Scientific notation
2.0155240 × 10^7
Engineering notation
2.0155240 × 10^6
Prime Factorization
2 × 2 × 2 × 7 × 5 × 71983
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
6
Total number of prime factors
rad
Radical
5038810
Product of the distinct prime numbers
The prime factorization of 20155240 is 2 × 2 × 2 × 7 × 5 × 71983.
Since it has a total of 6 prime factors.
10 , 5 , 20 , 43 , 870 , 692 , 4327 , 9566 , 83 , 11489 , 728126 , 251646 , 4147642 , 1097666 , 16146794 , 3561324 , 878670310 , 957118610 , 1929112910 , 5773021397
n×2
40310480
n×3
60465720
n×4
80620960
n×5
100776200
n÷2
10077620
n÷3
6718413.3333333
n÷3
5038810
n÷5
4031048
n2
406233699457600
n3
8.1877377086558E+21
n4
1.6502581857501E+29
n5
3.3261349795757E+36
2 √n
4489.4587647065
3 √n
272.14226266206
4 √n
67.003423529746
5 √n
28.898652635875
1 , 2 , 4 , 5 , 7 , 8 , 10 , 14 , 20 , 28 , 35 , 40 , 56 , 70 , 140 , 280 , 71983 , 143966 , 287932 , 359915 , 503881 , 575864 , 719830 , 1007762 , 1439660 , 2015524 , 2519405 , 2879320 , 4031048 , 5038810 , 10077620 , 20155240
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
-20155239
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 20155240 can be divided by 32 positive divisors.
The sum of these divisors (counting 20155240) is 1, the average is 0.03125.
Base
System
Value
2
Binary
1001100111000101101101000
3
Ternary
1101220222210101
4
Quaternary
1030320231220
5
Quinary
20124431430
6
Senary
1555555144
8
Octal
114705550
10
Decimal
20155240
12
Duodecimal
68bbab4
16
Hexadecimal
1338b68
20
Vigesimal
65j820
36
Base36
bzzvs
md5
dc7c4288d18483fd28a44fd1a81bab2e
sha1
d0ab29459a96e4436f0cd8ff8145e466d687e545
sha256
787d61f49f6d52cbe21a584b68350aafe3be848d4d468b0553e714517043e787
sha512
b03552e5ba3b98639eaf00b742fad7200bf42c51ca7b833562945a780800de68c750465375337952c8b0ca8eb8fdd47a436022f5ddbde959944cf787a8b46fab
ripemd-160
8dd573e772979c1ff9742cf85b26bf00a0cba0eb
Diameter
40310480
Circumference
126639107.83068
Area
1.2762208058566E+15
Volume
3.4296715513378E+22
Surface area
5.1048832234264E+15
Circumference
126639107.83068
Perimeter
80620960
Area
406233699457600
Diagonal
28503813.760885
Surface area
2437402196745600
Volume
8.1877377086558E+21
Space diagonal
34909899.718745
Perimeter
60465720
Area
1.7590435180181E+14
Altitude
17454949.859372
Surface area
1.7590435180181E+14
Volume
9.6493414272789E+20
Height
9501271.2536282