2638216921 is an odd 10-digits composite number following 2638216920
and preceding 2638216922 . In scientific notation, it is written as 2.638216921 × 10^9.
The sum of its digits is 40. It has a total of 2 prime factors and 4 positive divisors.
There are 2635661952 positive integers (up to 2638216921) that are relatively prime to 2638216921.
2638216921 has 4 divisors, whose sum is 2640771892
The reverse of 2638216921 is 1296128362
Previous prime number is 1033
Is Prime? no
Number parity odd
Number length 10
Sum of Digits 40
Digital Root 4
Name
two billion six hundred thirty-eight million two hundred sixteen thousand nine hundred twenty-one
Scientific notation
2.638216921 × 10^9
Engineering notation
2.638216921 × 10^9
Prime Factorization
1033 × 2553937
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
2638216921
Product of the distinct prime numbers
The prime factorization of 2638216921 is 1033 × 2553937.
Since it has a total of 2 prime factors.
10 , 8 , 74 , 16 , 771 , 874 , 8169 , 5372 , 34612 , 23524 , 184587 , 226598 , 2169757 , 2283350 , 4565066 , 7670483 , 92961596 , 740416289 , 8776470253 , 7768727275
n×2
5276433842
n×3
7914650763
n×4
10552867684
n×5
13191084605
n÷2
1319108460.5
n÷3
879405640.33333
n÷3
659554230.25
n÷5
527643384.2
n2
6960188522250720241
n3
1.8362487132752E+28
n4
4.8444224265271E+37
n5
1.2780637218136E+47
2 √n
51363.575819836
3 √n
1381.7734185862
4 √n
226.63533665304
5 √n
76.605879022333
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
-2638216920
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 2638216921 can be divided by 4 positive divisors.
The sum of these divisors (counting 2638216921) is 1, the average is 0.25.
Base
System
Value
2
Binary
10011101001111111111111011011001
3
Ternary
20210212021022020211
4
Quaternary
2131033333323121
5
Quinary
20400340420141
6
Senary
1113442051121
8
Octal
23517777331
10
Decimal
2638216921
12
Duodecimal
617649aa1
16
Hexadecimal
9d3ffed9
20
Vigesimal
2148h261
36
Base36
17mq57d
md5
46086afc056e27722712805c9ba30e06
sha1
8325f08f2ae5bbbd70421eb0027b84d07cb6170b
sha256
b7917a484535a7f4f53ddf3da4b2d7d2ecb58c970eff019292fed5afa063f416
sha512
e903cd51a311466f2e53d15493558377b6e352ffe840e3b5fe00f78ae6f850b94e5a46162aa64b8d7d4a580c4d04e22169277ac32196059b5d79d6748d010835
ripemd-160
81cfad5505327b0617030c70a07a2bddf565f78e
Diameter
5276433842
Circumference
16576405795.18
Area
2.1866077129103E+19
Volume
7.6916606237187E+28
Surface area
8.7464308516411E+19
Circumference
16576405795.18
Perimeter
10552867684
Area
6960188522250720241
Diagonal
3731002150.1604
Surface area
4.1761131133504E+19
Volume
1.8362487132752E+28
Space diagonal
4569525748.5599
Perimeter
7914650763
Area
3.013850037699E+18
Altitude
2284762874.28
Surface area
3.013850037699E+18
Volume
2.1640398618366E+27
Height
1243667383.3868