638534139 is an odd 9-digits composite number following 638534138
and preceding 638534140 . In scientific notation, it is written as 6.38534139 × 10^8.
The sum of its digits is 42. It has a total of 3 prime factors and 8 positive divisors.
There are 419857920 positive integers (up to 638534139) that are relatively prime to 638534139.
638534139 has 8 divisors, whose sum is 863041872
The reverse of 638534139 is 931435836
Previous prime number is 73
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 42
Digital Root 6
Name
six hundred thirty-eight million five hundred thirty-four thousand one hundred thirty-nine
Scientific notation
6.38534139 × 10^8
Engineering notation
6.38534139 × 10^6
Prime Factorization
3 × 73 × 2915681
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
638534139
Product of the distinct prime numbers
The prime factorization of 638534139 is 3 × 73 × 2915681.
Since it has a total of 3 prime factors.
6 , 4 , 76 , 13 , 761 , 631 , 5460 , 6610 , 48297 , 79273 , 905488 , 457294 , 1877323 , 1703131 , 42672870 , 18687392 , 438337666 , 152472170 , 6386659113 , 5017481896
n×2
1277068278
n×3
1915602417
n×4
2554136556
n×5
3192670695
n÷2
319267069.5
n÷3
212844713
n÷3
159633534.75
n÷5
127706827.8
n2
407725846668471321
n3
2.603468724505E+26
n4
1.6624036604152E+35
n5
1.0615014899737E+44
2 √n
25269.233051282
3 √n
861.11543518451
4 √n
158.96299270988
5 √n
57.681537015124
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
-638534138
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 638534139 can be divided by 8 positive divisors.
The sum of these divisors (counting 638534139) is 1, the average is 0.125.
Base
System
Value
2
Binary
100110000011110100000111111011
3
Ternary
1122111111220011120
4
Quaternary
212003310013323
5
Quinary
2301431043024
6
Senary
143210000323
8
Octal
4603640773
10
Decimal
638534139
12
Duodecimal
159a160a3
16
Hexadecimal
260f41fb
20
Vigesimal
9jagf6j
36
Base36
ak603f
md5
f4723014f3dc5c141a7243d1dd4dc51e
sha1
395b2c49304f6c6d7861715c1d7965e93649d1a0
sha256
b81629bb26a7b37028c7d0a46fe76afcb070a3ac7a5d85ee21905d13b674dce0
sha512
0345be982832032818577fbfd4cbd24a1047e2c4374775648c002930fccda5dbc9aee009c1c5516d4386277f39b6b1bfd024371a25ef0ba355a9ded49d016037
ripemd-160
7b45d992024976070325d1a881f1d5a2b8e5d037
Diameter
1277068278
Circumference
4012028320.2974
Area
1.2809085245723E+18
Volume
1.0905384291674E+27
Surface area
5.1236340982894E+18
Circumference
4012028320.2974
Perimeter
2554136556
Area
407725846668471321
Diagonal
903023639.41203
Surface area
2446355080010827926
Volume
2.603468724505E+26
Space diagonal
1105973571.1152
Perimeter
1915602417
Area
1.7655047049721E+17
Altitude
552986785.55762
Surface area
1.7655047049721E+17
Volume
3.0682173161743E+25
Height
301007879.80401