20155880 is an even 8-digits composite number following 20155879
and preceding 20155881 . In scientific notation, it is written as 2.0155880 × 10^7.
The sum of its digits is 29. It has a total of 5 prime factors and 16 positive divisors.
There are 7587840 positive integers (up to 20155880) that are relatively prime to 20155880.
20155880 has 16 divisors, whose sum is 38238180
The reverse of 20155880 is 08855102
Previous prime number is 85
Is Prime? no
Number parity even
Number length 8
Sum of Digits 29
Digital Root 2
Name
twenty million one hundred fifty-five thousand eight hundred eighty
Scientific notation
2.0155880 × 10^7
Engineering notation
2.0155880 × 10^6
Prime Factorization
2 × 2 × 2 × 85 × 29641
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
5038970
Product of the distinct prime numbers
The prime factorization of 20155880 is 2 × 2 × 2 × 85 × 29641.
Since it has a total of 5 prime factors.
7 , 2 , 20 , 37 , 440 , 307 , 2425 , 7345 , 97081 , 29466 , 656923 , 714533 , 3541001 , 498820 , 9478587 , 5416607 , 805759975 , 15102108 , 7716976717 , 1319341796
n×2
40311760
n×3
60467640
n×4
80623520
n×5
100779400
n÷2
10077940
n÷3
6718626.6666667
n÷3
5038970
n÷5
4031176
n2
406259498574400
n3
8.1885177021258E+21
n4
1.6504678018192E+29
n5
3.3266630957332E+36
2 √n
4489.5300422205
3 √n
272.14514312399
4 √n
67.003955422202
5 √n
28.898836160385
1 , 2 , 4 , 8 , 85 , 170 , 340 , 680 , 29641 , 59282 , 118564 , 237128 , 2519485 , 5038970 , 10077940 , 20155880
16 divisors
τ
Total Divisors
16
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20155879
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.0625
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
16
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20155880 can be divided by 16 positive divisors.
The sum of these divisors (counting 20155880) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1001100111000110111101000
3
Ternary
1101221000200002
4
Quaternary
1030320313220
5
Quinary
20124442010
6
Senary
2000002132
8
Octal
114706750
10
Decimal
20155880
12
Duodecimal
6900348
16
Hexadecimal
1338de8
20
Vigesimal
65j9e0
36
Base36
c00dk
md5
f71e47505d795a14d6b47a1a1dc22fcc
sha1
15fb10685e9e6359585a3524e78e05a56d3664f6
sha256
3a4b183b05fd39822060dfcc5df74b4dc823a46d96b5494e9f81c501648fc9e9
sha512
f000ec0087ac4c81621ccb0dd064bf8fde631afa4c10913846f0d951b954d392df41762bdbd7f404049d2e1e4923551549714b6f7503a4e1286675bdfe00292d
ripemd-160
d56122b0be590f24e578246051ce50ea9d54123d
Diameter
40311760
Circumference
126643129.06927
Area
1.2763018561724E+15
Volume
3.4299982742384E+22
Surface area
5.1052074246896E+15
Circumference
126643129.06927
Perimeter
80623520
Area
406259498574400
Diagonal
28504718.857565
Surface area
2437556991446400
Volume
8.1885177021258E+21
Space diagonal
34911008.231261
Perimeter
60467640
Area
1.7591552314708E+14
Altitude
17455504.115631
Surface area
1.7591552314708E+14
Volume
9.6502606583987E+20
Height
9501572.9525215