638961663 is an odd 9-digits composite number following 638961662
and preceding 638961664 . In scientific notation, it is written as 6.38961663 × 10^8.
The sum of its digits is 48. It has a total of 3 prime factors and 8 positive divisors.
There are 416911064 positive integers (up to 638961663) that are relatively prime to 638961663.
638961663 has 8 divisors, whose sum is 870075648
The reverse of 638961663 is 366169836
Previous prime number is 47
Is Prime? no Number parity odd Number length 9 Sum of Digits 48 Digital Root 3
Name
six hundred thirty-eight million nine hundred sixty-one thousand six hundred sixty-three
Scientific notation
6.38961663 × 10^8
Engineering notation
6.38961663 × 10^6
Prime Factorization
3 × 47 × 4531643
Composite number
ω Distinct Factors
3 Total number of distinct prime factors
Ω Total Factors
3 Total number of prime factors
rad Radical
638961663 Product of the distinct prime numbers
The prime factorization of 638961663 is 3 × 47 × 4531643.
Since it has a total of 3 prime factors.
8 , 5 , 77 , 96 , 627 , 304 , 2535 , 8962 , 99069 , 66526 , 328866 , 846093 , 5666158 , 1879818 , 51874794 , 88164952 , 679490017 , 712450691 , 4105481305 , 8434363236
n×2
1277923326
n×3
1916884989
n×4
2555846652
n×5
3194808315
n÷2
319480831.5
n÷3
212987221
n÷3
159740415.75
n÷5
127792332.6
n2
408272006783725569
n3
2.6087016041088E+26
n4
1.6668603152321E+35
n5
1.0650598390094E+44
2 √n25277.691014015
3 √n861.30757598548
4 √n158.98959404318
5 √n57.689258963935
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
-638961662 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 638961663 can be divided by 8 positive divisors.
The sum of these divisors (counting 638961663) is 1, the average is 0.125.
Base
System
Value
2
Binary
100110000101011100011111111111
3
Ternary
1122112022121121210
4
Quaternary
212011130133333
5
Quinary
2302033233123
6
Senary
143223055503
8
Octal
4605343777
10
Decimal
638961663
12
Duodecimal
159ba1593
16
Hexadecimal
2615c7ff
20
Vigesimal
9jda433
36
Base36
akf5z3
md5
f2a2be0efe9f3781df69c36a568ff2ab
sha1
3fc3b85fc332ca3f2b4bf6331127ed1761bd30b8
sha256
aadd64a8c47c11e48d849fd494ec06ba0194c139f2fee3c9aee0de93648a5e08
sha512
d2e85e81542f676e0b842dd1c71865151972520d5c53d286a216b45b680dc5f8e6fd7184f51e3dfc47f8fb5c879931229f961a7388302e998350e3294143eff0
ripemd-160
a627bbdadacb409a48a229d04f68ba68336aa6e5
Diameter
1277923326
Circumference
4014714532.8126
Area
1.2826243371781E+18
Volume
1.0927303726501E+27
Surface area
5.1304973487125E+18
Circumference
4014714532.8126
Perimeter
2555846652
Area
408272006783725569
Diagonal
903628249.65107
Surface area
2449632040702353414
Volume
2.6087016041088E+26
Space diagonal
1106714064.4047
Perimeter
1916884989
Area
1.7678696476438E+17
Altitude
553357032.20235
Surface area
1.7678696476438E+17
Volume
3.0743843239292E+25
Height
301209416.55036