1638963980 is an even 10-digits composite number following 1638963979
and preceding 1638963981 . In scientific notation, it is written as 1.638963980 × 10^9.
The sum of its digits is 53. It has a total of 4 prime factors and 12 positive divisors.
There are 655585584 positive integers (up to 1638963980) that are relatively prime to 1638963980.
1638963980 has 12 divisors, whose sum is 3441824400
The reverse of 1638963980 is 0893698361
Previous prime number is 5
Is Prime? no Number parity even Number length 10 Sum of Digits 53 Digital Root 8
Name
one billion six hundred thirty-eight million nine hundred sixty-three thousand nine hundred eighty
Scientific notation
1.638963980 × 10^9
Engineering notation
1.638963980 × 10^9
Prime Factorization
2 × 2 × 5 × 81948199
Composite number
ω Distinct Factors
3 Total number of distinct prime factors
Ω Total Factors
4 Total number of prime factors
rad Radical
819481990 Product of the distinct prime numbers
The prime factorization of 1638963980 is 2 × 2 × 5 × 81948199.
Since it has a total of 4 prime factors.
6 , 1 , 52 , 51 , 350 , 379 , 1454 , 5900 , 32221 , 5734 , 205433 , 46492 , 5190532 , 1152379 , 85302046 , 47025671 , 691063340 , 105985773 , 286023697 , 1754256110
n×2
3277927960
n×3
4916891940
n×4
6555855920
n×5
8194819900
n÷2
819481990
n÷3
546321326.66667
n÷3
409740995
n÷5
327792796
n2
2686202927737440400
n3
4.4025898415322E+27
n4
7.2156861689852E+36
n5
1.1826249721951E+46
2 √n40484.12009665
3 √n1179.0253322816
4 √n201.20666016971
5 √n69.648839062893
1 , 2 , 4 , 5 , 10 , 20 , 81948199 , 163896398 , 327792796 , 409740995 , 819481990 , 1638963980
12 divisors
τ Total Divisors
12 Total number of the positive divisors of n
σ Sum of Divisors
1 Sum of all the positive divisors of n
s Aliquot Sum
-1638963979 Sum of the proper positive divisors of n
A Arithmetic Mean
0.083333333333333 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
12 Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 1638963980 can be divided by 12 positive divisors.
The sum of these divisors (counting 1638963980) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
1100001101100001001101100001100
3
Ternary
11020012222222220122
4
Quaternary
1201230021230030
5
Quinary
11324033321410
6
Senary
430344404112
8
Octal
14154115414
10
Decimal
1638963980
12
Duodecimal
398a76638
16
Hexadecimal
61b09b0c
20
Vigesimal
15c3a9j0
36
Base36
r3sop8
md5
50324cccf94675437600d18b8593e7d6
sha1
864578bb144d35de52dabd46f4343f4a7c064579
sha256
2a9e0f3444bf23e89bbfd3769ad4d47b935e58f7e21be8988142fbcf7d8884ee
sha512
b37c8f61fc178996df165996b2023735f97e5e502671056113a5cf91070730d550058a0e93e7ae04a58f71f68c131af273a2d86d12f3d33faf4e25d639729a82
ripemd-160
8f2472c895e1b612134e086b3e43c43f84fbbcad
Diameter
3277927960
Circumference
10297914398.133
Area
8.4389553838313E+18
Volume
1.8441525203902E+28
Surface area
3.3755821535325E+19
Circumference
10297914398.133
Perimeter
6555855920
Area
2686202927737440400
Diagonal
2317845088.757
Surface area
1.6117217566425E+19
Volume
4.4025898415322E+27
Space diagonal
2838768885.1353
Perimeter
4916891940
Area
1.1631599875704E+18
Altitude
1419384442.5677
Surface area
1.1631599875704E+18
Volume
5.1885018862174E+26
Height
772615029.58566