638534830 is an even 9-digits composite number following 638534829
and preceding 638534831 . In scientific notation, it is written as 6.38534830 × 10^8.
The sum of its digits is 40. It has a total of 4 prime factors and 16 positive divisors.
There are 255344800 positive integers (up to 638534830) that are relatively prime to 638534830.
638534830 has 16 divisors, whose sum is 1149673824
The reverse of 638534830 is 038435836
Previous prime number is 5351
Is Prime? no
Number parity even
Number length 9
Sum of Digits 40
Digital Root 4
Name
six hundred thirty-eight million five hundred thirty-four thousand eight hundred thirty
Scientific notation
6.38534830 × 10^8
Engineering notation
6.38534830 × 10^6
Prime Factorization
2 × 5 × 5351 × 11933
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
638534830
Product of the distinct prime numbers
The prime factorization of 638534830 is 2 × 5 × 5351 × 11933.
Since it has a total of 4 prime factors.
6 , 1 , 21 , 97 , 508 , 496 , 5676 , 8002 , 51374 , 72723 , 677283 , 202869 , 3255988 , 4977631 , 94237809 , 97771201 , 148120981 , 218264352 , 3132619604 , 3561606875
n×2
1277069660
n×3
1915604490
n×4
2554139320
n×5
3192674150
n÷2
319267415
n÷3
212844943.33333
n÷3
159633707.5
n÷5
127706966
n2
407726729123128900
n3
2.6034771766709E+26
n4
1.6624108564145E+35
n5
1.0615072335908E+44
2 √n
25269.246724032
3 √n
861.11574580771
4 √n
158.96303571595
5 √n
57.681549499319
1 , 2 , 5 , 10 , 5351 , 10702 , 11933 , 23866 , 26755 , 53510 , 59665 , 119330 , 63853483 , 127706966 , 319267415 , 638534830
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
-638534829
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 638534830 can be divided by 16 positive divisors.
The sum of these divisors (counting 638534830) is 1, the average is 0.0625.
Base
System
Value
2
Binary
100110000011110100010010101110
3
Ternary
1122111111221010011
4
Quaternary
212003310102232
5
Quinary
2301431103310
6
Senary
143210003434
8
Octal
4603642256
10
Decimal
638534830
12
Duodecimal
159a1657a
16
Hexadecimal
260f44ae
20
Vigesimal
9jagh1a
36
Base36
ak60mm
md5
4aeb2cb725e03420cfd667cca927b98c
sha1
64073098df9120afcfcac1331544368e863c51eb
sha256
25415ca102541a0f5abc8c859e1985484c7a156a3625bc21719da58c852c480f
sha512
6f1e76d9fbb35ae306ece425ba0287045390cfe2dd3427494b7ef12795a83d9da9245fdbf155dbfe97f74b19460ca564ffff7274c83f97698beea26a25928f58
ripemd-160
ea0c624c73d26e4b23919562ecf3e0656eaf7d0b
Diameter
1277069660
Circumference
4012032661.9784
Area
1.2809112968854E+18
Volume
1.0905419696024E+27
Surface area
5.1236451875417E+18
Circumference
4012032661.9784
Perimeter
2554139320
Area
407726729123128900
Diagonal
903024616.6336
Surface area
2446360374738773400
Volume
2.6034771766709E+26
Space diagonal
1105974767.9624
Perimeter
1915604490
Area
1.7655085261128E+17
Altitude
552987383.98118
Surface area
1.7655085261128E+17
Volume
3.0682272771474E+25
Height
301008205.54453