636689989 is an odd 9-digits composite number following 636689988
and preceding 636689990 . In scientific notation, it is written as 6.36689989 × 10^8.
The sum of its digits is 64. It has a total of 3 prime factors and 8 positive divisors.
There are 583084656 positive integers (up to 636689989) that are relatively prime to 636689989.
636689989 has 8 divisors, whose sum is 691066880
The reverse of 636689989 is 989986636
Previous prime number is 127
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 64
Digital Root 1
Name
six hundred thirty-six million six hundred eighty-nine thousand nine hundred eighty-nine
Scientific notation
6.36689989 × 10^8
Engineering notation
6.36689989 × 10^6
Prime Factorization
13 × 127 × 385639
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
636689989
Product of the distinct prime numbers
The prime factorization of 636689989 is 13 × 127 × 385639.
Since it has a total of 3 prime factors.
4 , 2 , 46 , 20 , 993 , 304 , 4816 , 6103 , 58720 , 55278 , 967622 , 345215 , 171555 , 1305699 , 83594911 , 47977413 , 622987 , 607046824 , 3803204349 , 747578242
n×2
1273379978
n×3
1910069967
n×4
2546759956
n×5
3183449945
n÷2
318344994.5
n÷3
212229996.33333
n÷3
159172497.25
n÷5
127337997.8
n2
405374142092820121
n3
2.5809765806996E+26
n4
1.6432819507749E+35
n5
1.0462611671628E+44
2 √n
25232.716639316
3 √n
860.28564019905
4 √n
158.8480929672
5 √n
57.648180456675
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
-636689988
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 636689989 can be divided by 8 positive divisors.
The sum of these divisors (counting 636689989) is 1, the average is 0.125.
Base
System
Value
2
Binary
100101111100110001111001000101
3
Ternary
1122101001012110201
4
Quaternary
211330301321011
5
Quinary
2300443034424
6
Senary
143102250501
8
Octal
4574617105
10
Decimal
636689989
12
Duodecimal
159286a31
16
Hexadecimal
25f31e45
20
Vigesimal
9ij64j9
36
Base36
aj2h51
md5
f4f14fef90be5466709acd6b2f6b7b20
sha1
e767c58ef8829d6d605d82027e851da904a50a59
sha256
c5f2c06c7507f478572f093eabd74beeaddf650d31015d2d31f1e9c0747a1921
sha512
4faa70ef913127277531047f114f03eda2be291175fc758871eacb2315d4142704de8183ff5644d5bfdeb91663eca8663ecf77a017539cd4fcc6638e03efe82d
ripemd-160
3ba42feaf9fe924b0d3e0e2bcd12c0a91c5abe97
Diameter
1273379978
Circumference
4000441184.1131
Area
1.2735204267541E+18
Volume
1.0811169420018E+27
Surface area
5.0940817070163E+18
Circumference
4000441184.1131
Perimeter
2546759956
Area
405374142092820121
Diagonal
900415617.47098
Surface area
2432244852556920726
Volume
2.5809765806996E+26
Space diagonal
1102779409.6185
Perimeter
1910069967
Area
1.7553215254485E+17
Altitude
551389704.80923
Surface area
1.7553215254485E+17
Volume
3.041710070494E+25
Height
300138539.15699