2688156945 is an odd 10-digits composite number following 2688156944
and preceding 2688156946 . In scientific notation, it is written as 2.688156945 × 10^9.
The sum of its digits is 54. It has a total of 3 prime factors and 8 positive divisors.
There are 1433242656 positive integers (up to 2688156945) that are relatively prime to 2688156945.
2688156945 has 8 divisors, whose sum is 2748739200
The reverse of 2688156945 is 5496518862
Previous prime number is 4219
Is Prime? no
Number parity odd
Number length 10
Sum of Digits 54
Digital Root 9
Name
two billion six hundred eighty-eight million one hundred fifty-six thousand nine hundred forty-five
Scientific notation
2.688156945 × 10^9
Engineering notation
2.688156945 × 10^9
Prime Factorization
45 × 4219 × 14159
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
2688156945
Product of the distinct prime numbers
The prime factorization of 2688156945 is 45 × 4219 × 14159.
Since it has a total of 3 prime factors.
4 , 5 , 64 , 59 , 599 , 225 , 7575 , 4215 , 55037 , 9301 , 264986 , 401442 , 7118874 , 4192037 , 74786192 , 51271154 , 751441499 , 20875956 , 3042691464 , 2862465895
n×2
5376313890
n×3
8064470835
n×4
10752627780
n×5
13440784725
n÷2
1344078472.5
n÷3
896052315
n÷3
672039236.25
n÷5
537631389
n2
7226187760951733025
n3
1.9425126815476E+28
n4
5.2217789556529E+37
n5
1.4036961364893E+47
2 √n
51847.439136374
3 √n
1390.4377181919
4 √n
227.70032748412
5 √n
76.893729254806
8 divisors
τ
Total Divisors
8
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-2688156944
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.125
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
8
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 2688156945 can be divided by 8 positive divisors.
The sum of these divisors (counting 2688156945) is 1, the average is 0.125.
Base
System
Value
2
Binary
10100000001110100000010100010001
3
Ternary
20221100020112002100
4
Quaternary
2200032200110101
5
Quinary
21001132010240
6
Senary
1122424311013
8
Octal
24016402421
10
Decimal
2688156945
12
Duodecimal
630312469
16
Hexadecimal
a03a0511
20
Vigesimal
2200jc75
36
Base36
18ggj69
md5
895beac55cb04cc2c05e4321e660eb35
sha1
f8acd46d04b7bca5aa3502fec2bdb05fe20709bb
sha256
523b7a3fa4b5626a569c19b86a09a8b3302930b4fe5bb27222ead268882e149e
sha512
b9de842c5c33cd669e1eb3792f05cb5756482b70515f754c032ea18a72d5a4232bd831beb92b032b67ba39542e2951db37e1d33465c5b69081cb6235c557628f
ripemd-160
3eb68334e34ea92650156630f8d78bff5f5bfe91
Diameter
5376313890
Circumference
16890188220.217
Area
2.2701738383266E+19
Volume
8.1367780931401E+28
Surface area
9.0806953533066E+19
Circumference
16890188220.217
Perimeter
10752627780
Area
7226187760951733025
Diagonal
3801628009.4064
Surface area
4.335712656571E+19
Volume
1.9425126815476E+28
Space diagonal
4656024407.4591
Perimeter
8064470835
Area
3.1290310867502E+18
Altitude
2328012203.7296
Surface area
3.1290310867502E+18
Volume
2.2892731494387E+27
Height
1267209336.4688