638994683 is an odd 9-digits composite number following 638994682
and preceding 638994684 . In scientific notation, it is written as 6.38994683 × 10^8.
The sum of its digits is 56. It has a total of 2 prime factors and 4 positive divisors.
There are 638915088 positive integers (up to 638994683) that are relatively prime to 638994683.
638994683 has 4 divisors, whose sum is 639074280
The reverse of 638994683 is 386499836
Previous prime number is 9059
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 56
Digital Root 2
Name
six hundred thirty-eight million nine hundred ninety-four thousand six hundred eighty-three
Scientific notation
6.38994683 × 10^8
Engineering notation
6.38994683 × 10^6
Prime Factorization
9059 × 70537
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
638994683
Product of the distinct prime numbers
The prime factorization of 638994683 is 9059 × 70537.
Since it has a total of 2 prime factors.
5 , 10 , 14 , 67 , 155 , 352 , 9007 , 7480 , 50865 , 39489 , 940412 , 913922 , 9956676 , 1093130 , 30079069 , 9993594 , 249625504 , 682115609 , 1314076980 , 393701387
n×2
1277989366
n×3
1916984049
n×4
2555978732
n×5
3194973415
n÷2
319497341.5
n÷3
212998227.66667
n÷3
159748670.75
n÷5
127798936.6
n2
408314204902270489
n3
2.6091060592592E+26
n4
1.6672048992497E+35
n5
1.0653350660921E+44
2 √n
25278.344150676
3 √n
861.32241249702
4 √n
158.99164805321
5 √n
57.689855200006
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
-638994682
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 638994683 can be divided by 4 positive divisors.
The sum of these divisors (counting 638994683) is 1, the average is 0.25.
Base
System
Value
2
Binary
100110000101100100100011111011
3
Ternary
1122112101021220202
4
Quaternary
212011210203323
5
Quinary
2302040312213
6
Senary
143223512415
8
Octal
4605444373
10
Decimal
638994683
12
Duodecimal
159bb870b
16
Hexadecimal
261648fb
20
Vigesimal
9jde6e3
36
Base36
akfvgb
md5
4b2a4eee618a5da23757986b5b505b46
sha1
f4e2883fdfa87ba1e0a59f6fecf22d902b2b7385
sha256
c014602222fc417b1a16cfa40ca3745d18b5a8018be4a17bad82893f7dcaef7f
sha512
25608a286e3f12828fc612416622415057b7fc31a27283682ac900e047f953e104968929d3442ca8a73b60d8b2fbc8a45a73ed7fdcbc559430680a53086d52a5
ripemd-160
05b22bd0104a604feeb945d124082b7d5cd8fa17
Diameter
1277989366
Circumference
4014922003.5915
Area
1.2827569064773E+18
Volume
1.0928997904274E+27
Surface area
5.1310276259093E+18
Circumference
4014922003.5915
Perimeter
2555978732
Area
408314204902270489
Diagonal
903674946.9829
Surface area
2449885229413622934
Volume
2.6091060592592E+26
Space diagonal
1106771256.7224
Perimeter
1916984049
Area
1.7680523708571E+17
Altitude
553385628.36118
Surface area
1.7680523708571E+17
Volume
3.0748609788952E+25
Height
301224982.32763