636691380 is an even 9-digits composite number following 636691379
and preceding 636691381 . In scientific notation, it is written as 6.36691380 × 10^8.
The sum of its digits is 42. It has a total of 4 prime factors and 12 positive divisors.
There are 156723840 positive integers (up to 636691380) that are relatively prime to 636691380.
636691380 has 12 divisors, whose sum is 1119925184
The reverse of 636691380 is 083196636
Previous prime number is 195
Is Prime? no
Number parity even
Number length 9
Sum of Digits 42
Digital Root 6
Name
six hundred thirty-six million six hundred ninety-one thousand three hundred eighty
Scientific notation
6.36691380 × 10^8
Engineering notation
6.36691380 × 10^6
Prime Factorization
2 × 2 × 195 × 816271
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
318345690
Product of the distinct prime numbers
The prime factorization of 636691380 is 2 × 2 × 195 × 816271.
Since it has a total of 4 prime factors.
2 , 9 , 16 , 26 , 837 , 551 , 4967 , 7691 , 10491 , 66489 , 79731 , 493076 , 8269577 , 6847519 , 77367961 , 93218651 , 520207542 , 368930523 , 3183079553 , 7369235834
n×2
1273382760
n×3
1910074140
n×4
2546765520
n×5
3183456900
n÷2
318345690
n÷3
212230460
n÷3
159172845
n÷5
127338276
n2
405375913366304400
n3
2.5809934969995E+26
n4
1.6432963113757E+35
n5
1.0462725962387E+44
2 √n
25232.744202722
3 √n
860.28626669781
4 √n
158.84817972744
5 √n
57.648205645872
1 , 2 , 4 , 195 , 390 , 780 , 816271 , 1632542 , 3265084 , 159172845 , 318345690 , 636691380
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
-636691379
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 636691380 can be divided by 12 positive divisors.
The sum of these divisors (counting 636691380) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
100101111100110010001110110100
3
Ternary
1122101001021101020
4
Quaternary
211330302032310
5
Quinary
2300443111010
6
Senary
143102301140
8
Octal
4574621664
10
Decimal
636691380
12
Duodecimal
1592877b0
16
Hexadecimal
25f323b4
20
Vigesimal
9ij6890
36
Base36
aj2i7o
md5
c5552c790ff1ebb72f942e71bf39f044
sha1
d595d1ed32b072cf2d102467ff0da2aa2696d9e6
sha256
0e6e6f7fb969054666d251983e78a7ccf7b7c90229ea0159e0afbf26cf47310d
sha512
f58b320203ba3daf2a7cfe19a3070ed906d7f00d2ca361c35f339347d1415818a2cbb86adf04bff7b8ee4f774012ec557b650ff80875c06f5bedf4851b4c64dd
ripemd-160
ca70cd56796a60a8fe8c283a59eba645611d4bc0
Diameter
1273382760
Circumference
4000449924.0239
Area
1.2735259913738E+18
Volume
1.0811240278849E+27
Surface area
5.0941039654953E+18
Circumference
4000449924.0239
Perimeter
2546765520
Area
405375913366304400
Diagonal
900417584.64204
Surface area
2432255480197826400
Volume
2.5809934969995E+26
Space diagonal
1102781818.9011
Perimeter
1910074140
Area
1.7553291952877E+17
Altitude
551390909.45057
Surface area
1.7553291952877E+17
Volume
3.0417300065446E+25
Height
300139194.88068