2688897945 is an odd 10-digits composite number following 2688897944
and preceding 2688897946 . In scientific notation, it is written as 2.688897945 × 10^9.
The sum of its digits is 66. It has a total of 2 prime factors and 4 positive divisors.
There are 1434078896 positive integers (up to 2688897945) that are relatively prime to 2688897945.
2688897945 has 4 divisors, whose sum is 2868157824
The reverse of 2688897945 is 5497988862
Previous prime number is 15
Is Prime? no
Number parity odd
Number length 10
Sum of Digits 66
Digital Root 3
Name
two billion six hundred eighty-eight million eight hundred ninety-seven thousand nine hundred forty-five
Scientific notation
2.688897945 × 10^9
Engineering notation
2.688897945 × 10^9
Prime Factorization
15 × 179259863
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
2688897945
Product of the distinct prime numbers
The prime factorization of 2688897945 is 15 × 179259863.
Since it has a total of 2 prime factors.
1 , 4 , 73 , 43 , 176 , 84 , 2529 , 7944 , 37314 , 28282 , 718999 , 74435 , 9213459 , 9130259 , 66575995 , 55372904 , 296587229 , 675092510 , 1565596004 , 5976596524
n×2
5377795890
n×3
8066693835
n×4
10755591780
n×5
13444489725
n÷2
1344448972.5
n÷3
896299315
n÷3
672224486.25
n÷5
537779589
n2
7230172158625223025
n3
1.9441195059324E+28
n4
5.2275389443359E+37
n5
1.4056318724832E+47
2 √n
51854.584609271
3 √n
1390.5654661514
4 √n
227.71601746313
5 √n
76.897967993323
4 divisors
τ
Total Divisors
4
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-2688897944
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.25
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
4
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 2688897945 can be divided by 4 positive divisors.
The sum of these divisors (counting 2688897945) is 1, the average is 0.25.
Base
System
Value
2
Binary
10100000010001010101001110011001
3
Ternary
20221101122011112210
4
Quaternary
2200101111032121
5
Quinary
21001324213240
6
Senary
1122452225333
8
Octal
24021251631
10
Decimal
2688897945
12
Duodecimal
63060b249
16
Hexadecimal
a0455399
20
Vigesimal
2205c4h5
36
Base36
18gwexl
md5
6f694328aa5eebf8e1659fcf19634e96
sha1
5ee520f1bb1b6133efc72fbb1669daf1da7e5c2d
sha256
72452d98b3b5fc8bd7289904660e1dbbafb62b4fad1ef0a011657f6f1ae9193a
sha512
722ec6a112445f2c82aca6a37458fb2d5d8fd0461d3d9b72b956282ff40f8acc8486af7db7008ce670231f045cee16a74a493e623b644e6a04b7fbfec2792040
ripemd-160
a92c420a004a1bb4b74ba71337c819c37aa3b18d
Diameter
5377795890
Circumference
16894844060.529
Area
2.2714255737726E+19
Volume
8.1435087433836E+28
Surface area
9.0857022950906E+19
Circumference
16894844060.529
Perimeter
10755591780
Area
7230172158625223025
Diagonal
3802675941.6561
Surface area
4.3381032951751E+19
Volume
1.9441195059324E+28
Space diagonal
4657307857.1075
Perimeter
8066693835
Area
3.1307563815522E+18
Altitude
2328653928.5538
Surface area
3.1307563815522E+18
Volume
2.2911668101364E+27
Height
1267558647.2187