638961011 is an odd 9-digits composite number following 638961010
and preceding 638961012 . In scientific notation, it is written as 6.38961011 × 10^8.
The sum of its digits is 35. It has a total of 2 prime factors and 4 positive divisors.
There are 589810152 positive integers (up to 638961011) that are relatively prime to 638961011.
638961011 has 4 divisors, whose sum is 688111872
The reverse of 638961011 is 110169836
Previous prime number is 13
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 35
Digital Root 8
Name
six hundred thirty-eight million nine hundred sixty-one thousand eleven
Scientific notation
6.38961011 × 10^8
Engineering notation
6.38961011 × 10^6
Prime Factorization
13 × 49150847
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
638961011
Product of the distinct prime numbers
The prime factorization of 638961011 is 13 × 49150847.
Since it has a total of 2 prime factors.
4 , 10 , 15 , 8 , 58 , 739 , 9255 , 5266 , 37976 , 99585 , 702794 , 411066 , 6752438 , 8636778 , 29413303 , 317535 , 683084255 , 822383109 , 8109905009 , 1013226562
n×2
1277922022
n×3
1916883033
n×4
2555844044
n×5
3194805055
n÷2
319480505.5
n÷3
212987003.66667
n÷3
159740252.75
n÷5
127792202.2
n2
408271173578142121
n3
2.6086936183165E+26
n4
1.6668535117487E+35
n5
1.0650544050559E+44
2 √n
25277.678117264
3 √n
861.30728302438
4 √n
158.9895534847
5 √n
57.689247190643
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
-638961010
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 638961011 can be divided by 4 positive divisors.
The sum of these divisors (counting 638961011) is 1, the average is 0.25.
Base
System
Value
2
Binary
100110000101011100010101110011
3
Ternary
1122112022120201122
4
Quaternary
212011130111303
5
Quinary
2302033223021
6
Senary
143223052455
8
Octal
4605342563
10
Decimal
638961011
12
Duodecimal
159ba112b
16
Hexadecimal
2615c573
20
Vigesimal
9jda2ab
36
Base36
akf5gz
md5
a38a2e936717e5aabccde6ae98f0b757
sha1
c69802972359ac5bca21cc5463ce6be61f7552ef
sha256
bf382c2ce892fa3190c3749c5d24d40d84a2480ade99dca215880b7df63536c0
sha512
7f799c5e00ec356b15a9013251432e8c5ba0926232e39ea9ba762e92ad0364482ee3dd432aa360301b88da841febf612db27bdf00808661140dfbc371472f000
ripemd-160
37e0c3879e04e1787f3828ccf9e380d1368d5442
Diameter
1277922022
Circumference
4014710436.1758
Area
1.2826217195856E+18
Volume
1.0927270275693E+27
Surface area
5.1304868783423E+18
Circumference
4014710436.1758
Perimeter
2555844044
Area
408271173578142121
Diagonal
903627327.58382
Surface area
2449627041468852726
Volume
2.6086936183165E+26
Space diagonal
1106712935.1076
Perimeter
1916883033
Area
1.7678660397578E+17
Altitude
553356467.55379
Surface area
1.7678660397578E+17
Volume
3.0743749125827E+25
Height
301209109.19461