2155111220 is an even 10-digits composite number following 2155111219
and preceding 2155111221 . In scientific notation, it is written as 2.155111220 × 10^9.
The sum of its digits is 20. It has a total of 5 prime factors and 24 positive divisors.
There are 832318592 positive integers (up to 2155111220) that are relatively prime to 2155111220.
2155111220 has 24 divisors, whose sum is 4681794600
The reverse of 2155111220 is 0221115512
Previous prime number is 29
Is Prime? no
Number parity even
Number length 10
Sum of Digits 20
Digital Root 2
Name
two billion one hundred fifty-five million one hundred eleven thousand two hundred twenty
Scientific notation
2.155111220 × 10^9
Engineering notation
2.155111220 × 10^9
Prime Factorization
2 × 2 × 5 × 29 × 3715709
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
1077555610
Product of the distinct prime numbers
The prime factorization of 2155111220 is 2 × 2 × 5 × 29 × 3715709.
Since it has a total of 5 prime factors.
1 , 5 , 44 , 3 , 117 , 696 , 4628 , 9816 , 30057 , 17851 , 226318 , 733112 , 5129677 , 9418220 , 13715740 , 65748094 , 320204320 , 991287006 , 5881366504 , 6017010483
n×2
4310222440
n×3
6465333660
n×4
8620444880
n×5
10775556100
n÷2
1077555610
n÷3
718370406.66667
n÷3
538777805
n÷5
431022244
n2
4644504370569888400
n3
1.0009423480354E+28
n4
2.1571420848243E+37
n5
4.648881110139E+46
2 √n
46423.175462262
3 √n
1291.6848405536
4 √n
215.46038026111
5 √n
73.56884495504
1 , 2 , 4 , 5 , 10 , 20 , 29 , 58 , 116 , 145 , 290 , 580 , 3715709 , 7431418 , 14862836 , 18578545 , 37157090 , 74314180 , 107755561 , 215511122 , 431022244 , 538777805 , 1077555610 , 2155111220
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
-2155111219
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 2155111220 can be divided by 24 positive divisors.
The sum of these divisors (counting 2155111220) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
10000000011101000110001100110100
3
Ternary
12120012012222211002
4
Quaternary
2000131012030310
5
Quinary
13403202024340
6
Senary
553503302432
8
Octal
20035061464
10
Decimal
2155111220
12
Duodecimal
5018aaa18
16
Hexadecimal
80746334
20
Vigesimal
1dd98i10
36
Base36
zn3igk
md5
18a5136092f45cdb55c8a5ed2834ee31
sha1
cd83fc063209e68d6f6f2cad64f0ad0686019da3
sha256
8001d51a2b87faedcedfceea0b48c7920b7c01e481def86fd2a8723119cf8d57
sha512
1691c8330b249298de25669cadc6491073de39fca1f949257791b8fb24f1ece05d196ede537e80e81ad1b13effdba08e7a176f48773afba5bfd4e953789cd214
ripemd-160
6e742c49b4294492103668c298f9f65292cc6200
Diameter
4310222440
Circumference
13540963152.842
Area
1.4591140810148E+19
Volume
4.1927375030067E+28
Surface area
5.8364563240592E+19
Circumference
13540963152.842
Perimeter
8620444880
Area
4644504370569888400
Diagonal
3047787515.7464
Surface area
2.7867026223419E+19
Volume
1.0009423480354E+28
Space diagonal
3732762129.0017
Perimeter
6465333660
Area
2.0111293864507E+18
Altitude
1866381064.5009
Surface area
2.0111293864507E+18
Volume
1.1796218697877E+27
Height
1015929171.9155