2155121338 is an even 10-digits composite number following 2155121337
and preceding 2155121339 . In scientific notation, it is written as 2.155121338 × 10^9.
The sum of its digits is 31. It has a total of 4 prime factors and 12 positive divisors.
There are 1059892080 positive integers (up to 2155121338) that are relatively prime to 2155121338.
2155121338 has 12 divisors, whose sum is 3286556910
The reverse of 2155121338 is 8331215512
Previous prime number is 61
Is Prime? no
Number parity even
Number length 10
Sum of Digits 31
Digital Root 4
Name
two billion one hundred fifty-five million one hundred twenty-one thousand three hundred thirty-eight
Scientific notation
2.155121338 × 10^9
Engineering notation
2.155121338 × 10^9
Prime Factorization
2 × 61 × 61 × 289589
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
35329858
Product of the distinct prime numbers
The prime factorization of 2155121338 is 2 × 61 × 61 × 289589.
Since it has a total of 4 prime factors.
10 , 6 , 85 , 69 , 934 , 867 , 7247 , 7826 , 79849 , 41838 , 953714 , 87134 , 8667475 , 9037287 , 31622030 , 2421438 , 365659203 , 208304656 , 4774012003 , 977419293
n×2
4310242676
n×3
6465364014
n×4
8620485352
n×5
10775606690
n÷2
1077560669
n÷3
718373779.33333
n÷3
538780334.5
n÷5
431024267.6
n2
4644547981502910244
n3
1.0009564460302E+28
n4
2.1571825952483E+37
n5
4.6489902409818E+46
2 √n
46423.284437877
3 √n
1291.6868619879
4 √n
215.46063315111
5 √n
73.568914034368
1 , 2 , 61 , 122 , 3721 , 7442 , 289589 , 579178 , 17664929 , 35329858 , 1077560669 , 2155121338
12 divisors
τ
Total Divisors
12
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-2155121337
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.083333333333333
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
12
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 2155121338 can be divided by 12 positive divisors.
The sum of these divisors (counting 2155121338) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
10000000011101001000101010111010
3
Ternary
12120012020111200211
4
Quaternary
2000131020222322
5
Quinary
13403202340323
6
Senary
553503421334
8
Octal
20035105272
10
Decimal
2155121338
12
Duodecimal
5018b484a
16
Hexadecimal
80748aba
20
Vigesimal
1dd9a36i
36
Base36
zn3q9m
md5
d8539b181c10a90ddc779e691af4a783
sha1
ffde96fae7a79a8590eca021afe6e654b7b09858
sha256
960e8c1f7d7b385bb01e5d37e238e0c410bd7755c36a5e99c45d49ad5a28e8a1
sha512
85e6088fb06e7fd6c7366da76984934374a9accdfff346def50dec02cb0f0392ee36af6ca8803f7f3bdfca1505fd03e37d2030b9497aa7c1b22894dab521d164
ripemd-160
c7e2192398fb0b736a3cc4ba85af8f920fa078c6
Diameter
4310242676
Circumference
13541026726.111
Area
1.4591277817935E+19
Volume
4.192796556549E+28
Surface area
5.8365111271739E+19
Circumference
13541026726.111
Perimeter
8620485352
Area
4644547981502910244
Diagonal
3047801824.7593
Surface area
2.7867287889017E+19
Volume
1.0009564460302E+28
Space diagonal
3732779653.8918
Perimeter
6465364014
Area
2.0111482705386E+18
Altitude
1866389826.9459
Surface area
2.0111482705386E+18
Volume
1.1796384844339E+27
Height
1015933941.5864