2155386768 is an even 10-digits composite number following 2155386767
and preceding 2155386769 . In scientific notation, it is written as 2.155386768 × 10^9.
The sum of its digits is 51. It has a total of 6 prime factors and 20 positive divisors.
There are 718462240 positive integers (up to 2155386768) that are relatively prime to 2155386768.
2155386768 has 20 divisors, whose sum is 5568082608
The reverse of 2155386768 is 8676835512
Previous prime number is 3
Is Prime? no
Number parity even
Number length 10
Sum of Digits 51
Digital Root 6
Name
two billion one hundred fifty-five million three hundred eighty-six thousand seven hundred sixty-eight
Scientific notation
2.155386768 × 10^9
Engineering notation
2.155386768 × 10^9
Prime Factorization
2 × 2 × 2 × 2 × 3 × 44903891
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
6
Total number of prime factors
rad
Radical
269423346
Product of the distinct prime numbers
The prime factorization of 2155386768 is 2 × 2 × 2 × 2 × 3 × 44903891.
Since it has a total of 6 prime factors.
9 , 3 , 12 , 48 , 156 , 969 , 5685 , 8300 , 60022 , 97206 , 820267 , 739879 , 1001726 , 7153320 , 85462640 , 30142285 , 827276941 , 450426504 , 9028642800 , 2045786765
n×2
4310773536
n×3
6466160304
n×4
8621547072
n×5
10776933840
n÷2
1077693384
n÷3
718462256
n÷3
538846692
n÷5
431077353.6
n2
4645692119669485824
n3
1.0013263322937E+28
n4
2.1582455270759E+37
n5
4.6518538511546E+46
2 √n
46426.143152323
3 √n
1291.7398889123
4 √n
215.46726700899
5 √n
73.570726130472
1 , 2 , 3 , 4 , 6 , 8 , 12 , 16 , 24 , 48 , 44903891 , 89807782 , 134711673 , 179615564 , 269423346 , 359231128 , 538846692 , 718462256 , 1077693384 , 2155386768
20 divisors
τ
Total Divisors
20
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-2155386767
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.05
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
20
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 2155386768 can be divided by 20 positive divisors.
The sum of these divisors (counting 2155386768) is 1, the average is 0.05.
Base
System
Value
2
Binary
10000000011110001001011110010000
3
Ternary
12120012201222210120
4
Quaternary
2000132021132100
5
Quinary
13403234334033
6
Senary
553513230240
8
Octal
20036113620
10
Decimal
2155386768
12
Duodecimal
501a02380
16
Hexadecimal
80789790
20
Vigesimal
1ddb36i8
36
Base36
zn9f2o
md5
5de35df65678b718f359df00da476a4e
sha1
e12a75d3a4889ddc20cfe5657adc4495051e9692
sha256
83f1c4d6985df04e4a193e27f346c6b68be85fac045387de438b1c7e52d68d59
sha512
36b6d18cf0d57422ebac0bc3d10bbbd675ed623188faef556071d701bb5e4595c81f269de232037fc1afa5c7227e6f7bd87ef0267d76b7b09325b1000e6d3225
ripemd-160
78c319cf32ce5bf866a21741ef2000678eaff847
Diameter
4310773536
Circumference
13542694471.987
Area
1.4594872233994E+19
Volume
4.1943459325067E+28
Surface area
5.8379488935975E+19
Circumference
13542694471.987
Perimeter
8621547072
Area
4645692119669485824
Diagonal
3048177199.4651
Surface area
2.7874152718017E+19
Volume
1.0013263322937E+28
Space diagonal
3733239392.1377
Perimeter
6466160304
Area
2.0116436968975E+18
Altitude
1866619696.0688
Surface area
2.0116436968975E+18
Volume
1.1800743995759E+27
Height
1016059066.4884