2155221012 is an even 10-digits composite number following 2155221011
and preceding 2155221013 . In scientific notation, it is written as 2.155221012 × 10^9.
The sum of its digits is 21. It has a total of 5 prime factors and 24 positive divisors.
There are 605681280 positive integers (up to 2155221012) that are relatively prime to 2155221012.
2155221012 has 24 divisors, whose sum is 4016022472
The reverse of 2155221012 is 2101225512
Previous prime number is 61
Is Prime? no
Number parity even
Number length 10
Sum of Digits 21
Digital Root 3
Name
two billion one hundred fifty-five million two hundred twenty-one thousand twelve
Scientific notation
2.155221012 × 10^9
Engineering notation
2.155221012 × 10^9
Prime Factorization
2 × 2 × 21 × 61 × 420613
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
1077610506
Product of the distinct prime numbers
The prime factorization of 2155221012 is 2 × 2 × 21 × 61 × 420613.
Since it has a total of 5 prime factors.
9 , 10 , 24 , 57 , 894 , 191 , 7074 , 7925 , 29251 , 77937 , 314226 , 204915 , 1549221 , 8960476 , 9406103 , 26021900 , 142546851 , 265216373 , 5447876090 , 8498748944
n×2
4310442024
n×3
6465663036
n×4
8620884048
n×5
10776105060
n÷2
1077610506
n÷3
718407004
n÷3
538805253
n÷5
431044202.4
n2
4644977610566304144
n3
1.0010953346562E+28
n4
2.1575817002662E+37
n5
4.6500654155205E+46
2 √n
46424.357960019
3 √n
1291.7067751144
4 √n
215.46312436243
5 √n
73.569594531763
1 , 2 , 4 , 21 , 42 , 61 , 84 , 122 , 244 , 1281 , 2562 , 5124 , 420613 , 841226 , 1682452 , 8832873 , 17665746 , 25657393 , 35331492 , 51314786 , 102629572 , 538805253 , 1077610506 , 2155221012
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
-2155221011
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 2155221012 can be divided by 24 positive divisors.
The sum of these divisors (counting 2155221012) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
10000000011101100001000000010100
3
Ternary
12120012102120102110
4
Quaternary
2000131201000110
5
Quinary
13403214033022
6
Senary
553505511020
8
Octal
20035410024
10
Decimal
2155221012
12
Duodecimal
501942470
16
Hexadecimal
80761014
20
Vigesimal
1dda2cac
36
Base36
zn5v6c
md5
0e765f406fca9e9edef67671794a0a05
sha1
490cc64168f2c5a75e40af09ad3ac5c2fef44bf6
sha256
c6e419ba63f20690fc586e724d357fe5f0d007536d3bbb2df5891f1497ad991f
sha512
037b99de5990590bf0ecd0b179972cd06a34ee4b9e36ae1872e93b1d07bc836dddb85e5fb31458b0bde80b77554a989c9e9ea3140b9e283dbe49ad35dc439108
ripemd-160
262b13f626527b7f6159c3ef992130082bb55235
Diameter
4310442024
Circumference
13541652996.323
Area
1.4592627537444E+19
Volume
4.1933783318653E+28
Surface area
5.8370510149777E+19
Circumference
13541652996.323
Perimeter
8620884048
Area
4644977610566304144
Diagonal
3047942785.0819
Surface area
2.7869865663398E+19
Volume
1.0010953346562E+28
Space diagonal
3732952294.324
Perimeter
6465663036
Area
2.0113343053802E+18
Altitude
1866476147.162
Surface area
2.0113343053802E+18
Volume
1.1798021662494E+27
Height
1015980928.3606