20155220 is an even 8-digits composite number following 20155219
and preceding 20155221 . In scientific notation, it is written as 2.0155220 × 10^7.
The sum of its digits is 17. It has a total of 5 prime factors and 24 positive divisors.
There are 8037792 positive integers (up to 20155220) that are relatively prime to 20155220.
20155220 has 24 divisors, whose sum is 42453600
The reverse of 20155220 is 02255102
Previous prime number is 379
Is Prime? no
Number parity even
Number length 8
Sum of Digits 17
Digital Root 8
Name
twenty million one hundred fifty-five thousand two hundred twenty
Scientific notation
2.0155220 × 10^7
Engineering notation
2.0155220 × 10^6
Prime Factorization
2 × 2 × 5 × 379 × 2659
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
10077610
Product of the distinct prime numbers
The prime factorization of 20155220 is 2 × 2 × 5 × 379 × 2659.
Since it has a total of 5 prime factors.
9 , 4 , 95 , 5 , 964 , 796 , 9003 , 6680 , 15581 , 89295 , 904779 , 826519 , 7638060 , 9538454 , 18571190 , 77428415 , 754514639 , 841954347 , 681969720 , 2659717796
n×2
40310440
n×3
60465660
n×4
80620880
n×5
100776100
n÷2
10077610
n÷3
6718406.6666667
n÷3
5038805
n÷5
4031044
n2
406232893248400
n3
8.187713334658E+21
n4
1.6502516355697E+29
n5
3.3261184770266E+36
2 √n
4489.456537266
3 √n
272.14217264664
4 √n
67.003406907902
5 √n
28.898646900659
1 , 2 , 4 , 5 , 10 , 20 , 379 , 758 , 1516 , 1895 , 2659 , 3790 , 5318 , 7580 , 10636 , 13295 , 26590 , 53180 , 1007761 , 2015522 , 4031044 , 5038805 , 10077610 , 20155220
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
-20155219
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 20155220 can be divided by 24 positive divisors.
The sum of these divisors (counting 20155220) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
1001100111000101101010100
3
Ternary
1101220222202122
4
Quaternary
1030320231110
5
Quinary
20124431340
6
Senary
1555555112
8
Octal
114705524
10
Decimal
20155220
12
Duodecimal
68bba98
16
Hexadecimal
1338b54
20
Vigesimal
65j810
36
Base36
bzzv8
md5
0d59bc87ccf3e60ec8e78a5c7cdb644c
sha1
449eeef016487b841271541a884929b5f41507cb
sha256
a02a88cf58847bbf08ce7e3b4c8648e86b201b957692dce6233765f73da2b324
sha512
fc3d5ccc580e5bad56ee473ccc1382f2e6cb005d5bac9cd299ead5d8037a750d3cae41aaae202f6adccfb6d8b9e2412e937934189ee33d4087594d9742562d4d
ripemd-160
bb3bf65b9d6ec4aebfbf9f2a9eaac3c59eb95981
Diameter
40310440
Circumference
126638982.16697
Area
1.2762182730757E+15
Volume
3.4296613415814E+22
Surface area
5.1048730923028E+15
Circumference
126638982.16697
Perimeter
80620880
Area
406232893248400
Diagonal
28503785.476613
Surface area
2437397359490400
Volume
8.187713334658E+21
Space diagonal
34909865.077728
Perimeter
60465660
Area
1.7590400270298E+14
Altitude
17454932.538864
Surface area
1.7590400270298E+14
Volume
9.649312702247E+20
Height
9501261.8255378