636761990 is an even 9-digits composite number following 636761989
and preceding 636761991 . In scientific notation, it is written as 6.36761990 × 10^8.
The sum of its digits is 47. It has a total of 4 prime factors and 16 positive divisors.
There are 245921760 positive integers (up to 636761990) that are relatively prime to 636761990.
636761990 has 16 divisors, whose sum is 1185695280
The reverse of 636761990 is 099167636
Previous prime number is 29
Is Prime? no
Number parity even
Number length 9
Sum of Digits 47
Digital Root 2
Name
six hundred thirty-six million seven hundred sixty-one thousand nine hundred ninety
Scientific notation
6.36761990 × 10^8
Engineering notation
6.36761990 × 10^6
Prime Factorization
2 × 5 × 29 × 2195731
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
636761990
Product of the distinct prime numbers
The prime factorization of 636761990 is 2 × 5 × 29 × 2195731.
Since it has a total of 4 prime factors.
3 , 6 , 69 , 14 , 663 , 529 , 2646 , 7118 , 75233 , 40073 , 792107 , 876975 , 1860404 , 1998833 , 22397964 , 34010517 , 970944329 , 820196164 , 766335270 , 7152627929
n×2
1273523980
n×3
1910285970
n×4
2547047960
n×5
3183809950
n÷2
318380995
n÷3
212253996.66667
n÷3
159190497.5
n÷5
127352398
n2
405465831908760100
n3
2.5818523000323E+26
n4
1.6440254084546E+35
n5
1.0468528906981E+44
2 √n
25234.143337946
3 √n
860.31806785494
4 √n
158.85258366783
5 √n
57.649484243123
1 , 2 , 5 , 10 , 29 , 58 , 145 , 290 , 2195731 , 4391462 , 10978655 , 21957310 , 63676199 , 127352398 , 318380995 , 636761990
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
-636761989
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 636761990 can be divided by 16 positive divisors.
The sum of these divisors (counting 636761990) is 1, the average is 0.0625.
Base
System
Value
2
Binary
100101111101000011011110000110
3
Ternary
1122101011212020102
4
Quaternary
211331003132012
5
Quinary
2301002340430
6
Senary
143104004102
8
Octal
4575033606
10
Decimal
636761990
12
Duodecimal
159300632
16
Hexadecimal
25f43786
20
Vigesimal
9ijf4ja
36
Base36
aj40p2
md5
cd5c8ecc8d6c5f4175cabc1ac7ea45f5
sha1
c741e1dade968ebaa715b123a81555ba467c14d4
sha256
dd6f503f583abcc2a99e0ef1d5be30aec9d75166098c7a8de7994f56ebfe01d1
sha512
f24b96d819d4e0538e3cd4cb4d06103b7f8d94630d84a2d79e2968c098b2b6063a8fad2797e143b982b459f0101c3d6f6835c26e0b29f27e83acbd738bd99f06
ripemd-160
1858fefd27ac07d787176f17118e238c5bc3851f
Diameter
1273523980
Circumference
4000893579.7384
Area
1.2738084788062E+18
Volume
1.081483762458E+27
Surface area
5.0952339152249E+18
Circumference
4000893579.7384
Perimeter
2547047960
Area
405465831908760100
Diagonal
900517442.26168
Surface area
2432794991452560600
Volume
2.5818523000323E+26
Space diagonal
1102904119.0087
Perimeter
1910285970
Area
1.7557185539979E+17
Altitude
551452059.50433
Surface area
1.7557185539979E+17
Volume
3.0427421156248E+25
Height
300172480.75389