638961089 is an odd 9-digits composite number following 638961088
and preceding 638961090 . In scientific notation, it is written as 6.38961089 × 10^8.
The sum of its digits is 50. It has a total of 4 prime factors and 16 positive divisors.
There are 539493696 positive integers (up to 638961089) that are relatively prime to 638961089.
638961089 has 16 divisors, whose sum is 749313600
The reverse of 638961089 is 980169836
Previous prime number is 29
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 50
Digital Root 5
Name
six hundred thirty-eight million nine hundred sixty-one thousand eighty-nine
Scientific notation
6.38961089 × 10^8
Engineering notation
6.38961089 × 10^6
Prime Factorization
19 × 13 × 29 × 89203
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
638961089
Product of the distinct prime numbers
The prime factorization of 638961089 is 19 × 13 × 29 × 89203.
Since it has a total of 4 prime factors.
1 , 6 , 17 , 79 , 164 , 344 , 6089 , 2113 , 60625 , 57250 , 856970 , 381112 , 5449718 , 6104351 , 38178435 , 82277613 , 201652803 , 636680626 , 8873275888 , 6961851997
n×2
1277922178
n×3
1916883267
n×4
2555844356
n×5
3194805445
n÷2
319480544.5
n÷3
212987029.66667
n÷3
159740272.25
n÷5
127792217.8
n2
408271273256065921
n3
2.6086945736711E+26
n4
1.6668543256613E+35
n5
1.0650550551289E+44
2 √n
25277.679660127
3 √n
861.30731807188
4 √n
158.98955833679
5 √n
57.689248599105
1 , 13 , 19 , 29 , 247 , 377 , 551 , 7163 , 89203 , 1159639 , 1694857 , 2586887 , 22033141 , 33629531 , 49150853 , 638961089
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
-638961088
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 638961089 can be divided by 16 positive divisors.
The sum of these divisors (counting 638961089) is 1, the average is 0.0625.
Base
System
Value
2
Binary
100110000101011100010111000001
3
Ternary
1122112022120211112
4
Quaternary
212011130113001
5
Quinary
2302033223324
6
Senary
143223053105
8
Octal
4605342701
10
Decimal
638961089
12
Duodecimal
159ba1195
16
Hexadecimal
2615c5c1
20
Vigesimal
9jda2e9
36
Base36
akf5j5
md5
d4163c9ce8002cc17eb31929dc48c1f0
sha1
a4ac87b869e609bdba3976a967e137bb658d8c53
sha256
51034cb2f4458e73ba62348a66e12c4ad2e899e6f8c7f9385232cfcf00d351a5
sha512
57148b8cfe9e9e726bfbcbebb4fa8962f22d9b35d5b66d9a44b70a3a1126c9f4373f23d3b5c35940183b305401523ec3b87c2b212ecf9950c3d0c017fb30f4c8
ripemd-160
688e996dc0cae3424982d48f9e248b2bdace8ddc
Diameter
1277922178
Circumference
4014710926.2643
Area
1.282622032733E+18
Volume
1.0927274277473E+27
Surface area
5.130488130932E+18
Circumference
4014710926.2643
Perimeter
2555844356
Area
408271273256065921
Diagonal
903627437.89248
Surface area
2449627639536395526
Volume
2.6086945736711E+26
Space diagonal
1106713070.2075
Perimeter
1916883267
Area
1.7678664713759E+17
Altitude
553356535.10377
Surface area
1.7678664713759E+17
Volume
3.074376038479E+25
Height
301209145.96416