2155451816 is an even 10-digits composite number following 2155451815
and preceding 2155451817 . In scientific notation, it is written as 2.155451816 × 10^9.
The sum of its digits is 38. It has a total of 5 prime factors and 16 positive divisors.
There are 923765040 positive integers (up to 2155451816) that are relatively prime to 2155451816.
2155451816 has 16 divisors, whose sum is 4618825440
The reverse of 2155451816 is 6181545512
Previous prime number is 7
Is Prime? no
Number parity even
Number length 10
Sum of Digits 38
Digital Root 2
Name
two billion one hundred fifty-five million four hundred fifty-one thousand eight hundred sixteen
Scientific notation
2.155451816 × 10^9
Engineering notation
2.155451816 × 10^9
Prime Factorization
2 × 2 × 2 × 7 × 38490211
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
538862954
Product of the distinct prime numbers
The prime factorization of 2155451816 is 2 × 2 × 2 × 7 × 38490211.
Since it has a total of 5 prime factors.
4 , 3 , 62 , 100 , 538 , 166 , 8834 , 9389 , 69821 , 61171 , 499782 , 537026 , 4876098 , 3425936 , 68456974 , 47631386 , 644998977 , 584064033 , 9059024164 , 7439351874
n×2
4310903632
n×3
6466355448
n×4
8621807264
n×5
10777259080
n÷2
1077725908
n÷3
718483938.66667
n÷3
538862954
n÷5
431090363.2
n2
4645972531097697856
n3
1.0014169929241E+28
n4
2.1585060759714E+37
n5
4.6525558412997E+46
2 √n
46426.843700601
3 √n
1291.7528833707
4 √n
215.46889265182
5 √n
73.571170187279
1 , 2 , 4 , 7 , 8 , 14 , 28 , 56 , 38490211 , 76980422 , 153960844 , 269431477 , 307921688 , 538862954 , 1077725908 , 2155451816
16 divisors
τ
Total Divisors
16
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-2155451815
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.0625
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
16
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 2155451816 can be divided by 16 positive divisors.
The sum of these divisors (counting 2155451816) is 1, the average is 0.0625.
Base
System
Value
2
Binary
10000000011110011001010110101000
3
Ternary
12120012212022000202
4
Quaternary
2000132121112220
5
Quinary
13403243424231
6
Senary
553514451332
8
Octal
20036312650
10
Decimal
2155451816
12
Duodecimal
501a33b48
16
Hexadecimal
807995a8
20
Vigesimal
1ddbb9ag
36
Base36
znat9k
md5
89aeb05fa0e26deff5f5ac1a3f404e3d
sha1
542e698704e30fbc2897cea4b17e156b258136f6
sha256
68a9909a53821b2caa93d72f183b447b0e26baaf218831d2a965e76a83b74053
sha512
239b25b2734dfbaeeb623dfb0d89faa44564101c07c13940a64abbe3eabb0d984de5e238aef8a9a4c8ab6d7b95ddc8ac3bb1378b913c665af0b77904f96a2835
ripemd-160
ee65cc6164391f4cfe0eb7e47850fd5f1a7c3c23
Diameter
4310903632
Circumference
13543103180.625
Area
1.4595753172477E+19
Volume
4.194725690867E+28
Surface area
5.8383012689906E+19
Circumference
13543103180.625
Perimeter
8621807264
Area
4645972531097697856
Diagonal
3048269191.2289
Surface area
2.7875835186586E+19
Volume
1.0014169929241E+28
Space diagonal
3733352058.5786
Perimeter
6466355448
Area
2.0117651186076E+18
Altitude
1866676029.2893
Surface area
2.0117651186076E+18
Volume
1.1801812441534E+27
Height
1016089730.4096