2155121340 is an even 10-digits composite number following 2155121339
and preceding 2155121341 . In scientific notation, it is written as 2.155121340 × 10^9.
The sum of its digits is 24. It has a total of 5 prime factors and 24 positive divisors.
There are 574699008 positive integers (up to 2155121340) that are relatively prime to 2155121340.
2155121340 has 24 divisors, whose sum is 6034339920
The reverse of 2155121340 is 0431215512
Previous prime number is 5
Is Prime? no
Number parity even
Number length 10
Sum of Digits 24
Digital Root 6
Name
two billion one hundred fifty-five million one hundred twenty-one thousand three hundred forty
Scientific notation
2.155121340 × 10^9
Engineering notation
2.155121340 × 10^9
Prime Factorization
2 × 2 × 3 × 5 × 35918689
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
1077560670
Product of the distinct prime numbers
The prime factorization of 2155121340 is 2 × 2 × 3 × 5 × 35918689.
Since it has a total of 5 prime factors.
8 , 8 , 41 , 18 , 231 , 314 , 5283 , 1748 , 92837 , 39213 , 366019 , 346866 , 5125154 , 3847298 , 98198018 , 84043969 , 172351853 , 45728861 , 9758427109 , 7070932970
n×2
4310242680
n×3
6465364020
n×4
8620485360
n×5
10775606700
n÷2
1077560670
n÷3
718373780
n÷3
538780335
n÷5
431024268
n2
4644547990123395600
n3
1.0009564488169E+28
n4
2.1571826032559E+37
n5
4.6489902625536E+46
2 √n
46423.284459418
3 √n
1291.6868623874
4 √n
215.4606332011
5 √n
73.568914048022
1 , 2 , 3 , 4 , 5 , 6 , 10 , 12 , 15 , 20 , 30 , 60 , 35918689 , 71837378 , 107756067 , 143674756 , 179593445 , 215512134 , 359186890 , 431024268 , 538780335 , 718373780 , 1077560670 , 2155121340
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
-2155121339
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 2155121340 can be divided by 24 positive divisors.
The sum of these divisors (counting 2155121340) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
10000000011101001000101010111100
3
Ternary
12120012020111200220
4
Quaternary
2000131020222330
5
Quinary
13403202340330
6
Senary
553503421340
8
Octal
20035105274
10
Decimal
2155121340
12
Duodecimal
5018b4850
16
Hexadecimal
80748abc
20
Vigesimal
1dd9a370
36
Base36
zn3q9o
md5
5d59fa8e0230d4ab73c2e4f748c1b7c5
sha1
06dbb735cb8f9c9447e7c79f99de315f317664b3
sha256
6f6171cf865e3232b4ba8c832dcc463170757c7f1878ac26b66978c92e10f659
sha512
b74fe75f952b28e0aa2616d57648117f93fb28f13439220f190d1b5aec234de8502091e076d0bef1b600fa6894eb183c2e02bd66c93924b5e77ea7a451d53dcc
ripemd-160
daf23ccb2162325b6c66e814e376c8f216cd5a02
Diameter
4310242680
Circumference
13541026738.677
Area
1.4591277845017E+19
Volume
4.192796568222E+28
Surface area
5.8365111380068E+19
Circumference
13541026738.677
Perimeter
8620485360
Area
4644547990123395600
Diagonal
3047801827.5877
Surface area
2.786728794074E+19
Volume
1.0009564488169E+28
Space diagonal
3732779657.3559
Perimeter
6465364020
Area
2.0111482742714E+18
Altitude
1866389828.678
Surface area
2.0111482742714E+18
Volume
1.1796384877181E+27
Height
1015933942.5292